CN107052937B - Pneumatic floating polisher - Google Patents
Pneumatic floating polisher Download PDFInfo
- Publication number
- CN107052937B CN107052937B CN201710373536.1A CN201710373536A CN107052937B CN 107052937 B CN107052937 B CN 107052937B CN 201710373536 A CN201710373536 A CN 201710373536A CN 107052937 B CN107052937 B CN 107052937B
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- CN
- China
- Prior art keywords
- shell
- fixed
- shaft sleeve
- pneumatic motor
- joint bearing
- 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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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
- B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
- B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
- B24B9/04—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of metal, e.g. skate blades
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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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/002—Grinding heads
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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
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/14—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by liquid or gas pressure
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding-Machine Dressing And Accessory Apparatuses (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The shell is fixedly connected with a shell cover, an outer ring of the joint bearing is fixed on the shell cover, and the main shaft is fixed on an inner ring of the joint bearing; the pneumatic motor is fixed at the lower end of the main shaft, a partition plate is formed on the shell, a shaft sleeve is inserted and sleeved in a central hole of the partition plate and is fixed on the main shaft, and the pneumatic motor is inserted and sleeved in the shaft sleeve; the cylinder is fixed on the shell at the lower part of the partition plate, and a piston rod of the cylinder is pressed against the outer wall of the shaft sleeve; the dust cover is fixed on the shaft sleeve and covers the lower end opening of the shell; the pin is fixed on the shell cover, and the front end of the pin is inserted in a preset hole in the outer ring of the joint bearing; the fastening screw is screwed on the shell cover, and the front end of the fastening screw is pressed against the outer wall of the outer ring of the joint bearing. The grinding head is controlled to float by the oscillating bearing and the cylinder, so that the grinding head is in floating contact with the hub, and the hub cannot be damaged in the grinding process.
Description
The technical field is as follows:
the invention relates to the technical field of grinding tools, in particular to a grinding machine with a grinding head capable of floating.
The background art comprises the following steps:
in the production process of the automobile hub, a deburring process is required, and during deburring, an electric polisher is adopted, and a polishing head is used for polishing the hub. When an existing electric grinding machine is used for grinding, the general grinding head is poor in floatability, and some grinding heads are even directly fixed on a rotating shaft of a motor, so that the grinding head is in hard contact with a hub, and the hub can be damaged when an irregular object is ground through hard contact.
Although the grinding head of the grinding machine with floating property is available on the market, the structure is complicated, and the control is not convenient enough.
The invention content is as follows:
the invention aims to overcome the defects in the prior art and provides a pneumatic floating grinding machine, which adopts a joint bearing and a cylinder to control the floating of a grinding head, so that the grinding head is in floating contact with a hub, and the hub cannot be damaged in the grinding process.
The technical solution of the invention is as follows:
the pneumatic floating polisher comprises a joint bearing and a pneumatic motor, wherein a grinding head is fixed on a pneumatic motor rotating shaft of the pneumatic motor, a shell is fixedly connected with a shell cover, an outer ring of the joint bearing is fixed on the shell cover, and a main shaft is fixed on an inner ring of the joint bearing; the pneumatic motor is fixed at the lower end of the main shaft, a partition plate is formed on the shell, a shaft sleeve is inserted and sleeved in a central hole of the partition plate and is fixed on the main shaft, and the pneumatic motor is inserted and sleeved in the shaft sleeve;
the cylinder is fixed on the shell at the lower part of the partition plate, and a piston rod of the cylinder is pressed against the outer wall of the shaft sleeve; the dust cover is fixed on the shaft sleeve and covers the lower end opening of the shell;
the main shaft is provided with an air inlet channel of a pneumatic motor, a power air joint of the pneumatic motor is fixed on the main shaft, exhaust gas of the pneumatic motor enters a power gas cavity of the shell through an air outlet channel of a shaft sleeve on the shaft sleeve, and an air outlet formed on the shell is communicated with the power gas cavity;
the pin is fixed on the shell cover, and the front end of the pin is inserted in a preset hole in the outer ring of the joint bearing; the fastening screw is screwed on the shell cover, and the front end of the fastening screw is pressed against the outer wall of the outer ring of the joint bearing.
The nine cylinders are distributed on the shell in an annular array by taking the center of the shell as a circle center.
The connecting flange is fixed on the shell cover, the shell and the shell cover are fixed together through screws, and a cylinder ventilation channel is formed on the shell to supply air to the cylinder.
And the power gas cavity is filled with a mesh and a silencing sponge.
The invention has the beneficial effects that:
the grinding head is controlled to float by the knuckle bearing and the cylinder, so that the grinding head is in floating contact with the hub, and the hub cannot be damaged in the grinding process.
Description of the drawings:
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a sectional view A-A of FIG. 1;
FIG. 3 is a sectional view taken along line B-B of FIG. 1;
fig. 4 is a schematic view of the distribution position of the cylinders on the housing.
In the figure: 1. a knuckle bearing; 2. a pneumatic motor; 21. a pneumatic motor shaft; 22. a power gas joint; 3. a housing; 31. a partition plate; 32. a motive gas chamber; 33. an exhaust port; 34. A cylinder vent passage; 4. a shell cover; 5. a main shaft; 51. an air intake passage; 6. a shaft sleeve; 61. A shaft sleeve exhaust passage; 7. a cylinder; 8. a dust cover; 9. a pin; 10. a screw; 11. and (7) connecting the flanges.
The specific implementation mode is as follows:
the embodiment is as follows: as shown in fig. 1 to 4, the pneumatic floating sander comprises a joint bearing 1 and a pneumatic motor 2, wherein a grinding head is fixed on a pneumatic motor rotating shaft 21 of the pneumatic motor 2, a shell 3 is fixedly connected with a shell cover 4, an outer ring of the joint bearing 1 is fixed on the shell cover 4, and a main shaft 5 is fixed on an inner ring of the joint bearing 1; the pneumatic motor 2 is fixed at the lower end of the main shaft 5, a partition plate 31 is formed on the shell 3, a shaft sleeve 6 is inserted and sleeved in a central hole of the partition plate 31 and is fixed on the main shaft 5, and the pneumatic motor 2 is inserted and sleeved in the shaft sleeve 6;
the cylinder 7 is fixed on the shell 3 at the lower part of the clapboard 31, and a piston rod of the cylinder 7 is pressed on the outer wall of the shaft sleeve 6; the dust cover 8 is fixed on the shaft sleeve 6 and covers the lower end opening of the shell 3;
the main shaft 5 is provided with an air inlet channel 51 of the pneumatic motor 2, a power air joint 22 of the pneumatic motor 2 is fixed on the main shaft 5, the exhaust gas of the pneumatic motor 2 enters the power air chamber 32 of the shell 3 through a shaft sleeve exhaust channel 61 on the shaft sleeve 6, and an exhaust port 33 formed on the shell 3 is communicated with the power air chamber 32;
the pin 9 is fixed on the shell cover 4, and the front end of the pin 9 is inserted in a preset hole in the outer ring of the joint bearing 1; the fastening screw 10 is screwed on the shell cover 4, and the front end of the fastening screw 10 is pressed against the outer wall of the outer ring of the joint bearing 1.
The nine cylinders 7 are distributed on the shell 3 in an annular array by taking the center of the shell 3 as a circle center.
The connecting flange 11 is fixed on the shell cover 4, the shell 3 and the shell cover 4 are fixed together through screws, and a cylinder ventilation channel 34 is formed on the shell 3 for supplying air to the cylinder 7.
The power gas chamber 32 is filled with a mesh and a sound deadening sponge.
The working principle is as follows: the diameter of the central hole of the partition plate 31 is 2-5 mm larger than the outer diameter of the shaft sleeve 6, the pneumatic motor 2 drives the grinding head fixed on the pneumatic motor rotating shaft 21 of the pneumatic motor 2 to rotate when rotating, the piston rod of the cylinder 7 is pressed against the shaft sleeve 6, and the thrust of the piston rod of the cylinder 7, namely the floating force required by the grinding head during grinding, can be effectively adjusted by adjusting the gas pressure of the cylinder 7. The pin 9 can prevent the joint bearing 1 from rotating when in work. The fastening screw 10 can effectively adjust the tightness of the joint bearing 1 according to the corresponding working condition. The mesh and the silencing sponge can reduce the noise generated by the invention during working.
Claims (4)
1. Pneumatic polisher that floats, including joint bearing (1) and air motor (2), its characterized in that:
the grinding head is fixed on a pneumatic motor rotating shaft (21) of the pneumatic motor (2), the shell (3) is fixedly connected with the shell cover (4), the outer ring of the joint bearing (1) is fixed on the shell cover (4), and the main shaft (5) is fixed on the inner ring of the joint bearing (1); the pneumatic motor (2) is fixed at the lower end of the main shaft (5), a partition plate (31) is formed on the shell (3), the shaft sleeve (6) is inserted in a central hole of the partition plate (31) and fixed on the main shaft (5), and the pneumatic motor (2) is inserted in the shaft sleeve (6);
the cylinder (7) is fixed on the shell (3) at the lower part of the partition plate (31), and a piston rod of the cylinder (7) is pressed against the outer wall of the shaft sleeve (6); the dustproof cover (8) is fixed on the shaft sleeve (6) and covers the lower end opening of the shell (3);
an air inlet channel (51) of the pneumatic motor (2) is arranged on the main shaft (5), a power air joint (22) of the pneumatic motor (2) is fixed on the main shaft (5), exhaust gas of the pneumatic motor (2) enters a power air chamber (32) of the shell (3) through a shaft sleeve exhaust channel (61) on the shaft sleeve (6), and an exhaust port (33) formed on the shell (3) is communicated with the power air chamber (32);
the pin (9) is fixed on the shell cover (4), and the front end of the pin (9) is inserted into a preset hole in the outer ring of the joint bearing (1); the fastening screw (10) is screwed on the shell cover (4) and the front end of the fastening screw (10) is pressed against the outer wall of the outer ring of the joint bearing (1).
2. The pneumatic floating sander of claim 1, wherein: nine cylinders (7) are distributed on the shell (3) in an annular array by taking the center of the shell (3) as a circle center.
3. The pneumatic floating sander of claim 1 or 2, wherein: the connecting flange (11) is fixed on the shell cover (4), the shell (3) and the shell cover (4) are fixed together through screws, and a cylinder ventilation channel (34) is formed on the shell (3) to supply air to the cylinder (7).
4. A pneumatic floating sander according to claim 1 or 2, characterized in that: the power gas chamber (32) is filled with meshes and silencing sponge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710373536.1A CN107052937B (en) | 2017-05-24 | 2017-05-24 | Pneumatic floating polisher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710373536.1A CN107052937B (en) | 2017-05-24 | 2017-05-24 | Pneumatic floating polisher |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107052937A CN107052937A (en) | 2017-08-18 |
| CN107052937B true CN107052937B (en) | 2022-12-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710373536.1A Active CN107052937B (en) | 2017-05-24 | 2017-05-24 | Pneumatic floating polisher |
Country Status (1)
| Country | Link |
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| CN (1) | CN107052937B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107433513B (en) * | 2017-08-26 | 2023-05-26 | 广东利迅达机器人系统股份有限公司 | Polishing force control device and polishing machine provided with same |
| CN107953183B (en) * | 2017-12-22 | 2023-12-01 | 苏州苏铸智能装备有限公司 | Dust absorption formula foundry goods grinding machanism that floats |
| CN108262533A (en) * | 2018-03-02 | 2018-07-10 | 上海元功机械技术有限公司 | A kind of flexible deburring cutter head for hole edge profile traces |
| CN108406529A (en) * | 2018-04-16 | 2018-08-17 | 佛山市捷亚塑料五金制品有限公司 | A kind of hardware polishing machine |
| CN108581694B (en) * | 2018-07-02 | 2024-04-30 | 浙江万丰科技开发股份有限公司 | Flexible deburring connecting tool for robot |
| CN109202615A (en) * | 2018-09-21 | 2019-01-15 | 广东利迅达机器人系统股份有限公司 | A kind of speed reducer housing grinding apparatus of carrying machine people |
| CN111136477B (en) * | 2018-11-05 | 2023-07-14 | 宫晓东 | Pneumatic control floating head |
| CN110695808A (en) * | 2019-11-15 | 2020-01-17 | 中国工程物理研究院激光聚变研究中心 | Single-shaft polishing mechanism |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4735020A (en) * | 1986-03-06 | 1988-04-05 | Metabowerke Gmbh & Co. | Portable electric grinder |
| CN104526522A (en) * | 2014-11-25 | 2015-04-22 | 浙江万丰奥威汽轮股份有限公司 | Automatic polishing machine for wheel hubs |
| CN104526527A (en) * | 2015-01-08 | 2015-04-22 | 浙江畅尔智能装备股份有限公司 | Flexible polishing tool based on pneumatic floating |
| CN105033806A (en) * | 2015-08-19 | 2015-11-11 | 山东永高智能科技有限公司 | Pneumatic control floating type burring machine |
| TWM530724U (en) * | 2016-07-15 | 2016-10-21 | Evermore Machine Co Ltd | Pneumatic type floating-grinding device |
| CN206855183U (en) * | 2017-05-24 | 2018-01-09 | 浙江万丰科技开发股份有限公司 | Pneumatic floating sander |
-
2017
- 2017-05-24 CN CN201710373536.1A patent/CN107052937B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4735020A (en) * | 1986-03-06 | 1988-04-05 | Metabowerke Gmbh & Co. | Portable electric grinder |
| CN104526522A (en) * | 2014-11-25 | 2015-04-22 | 浙江万丰奥威汽轮股份有限公司 | Automatic polishing machine for wheel hubs |
| CN104526527A (en) * | 2015-01-08 | 2015-04-22 | 浙江畅尔智能装备股份有限公司 | Flexible polishing tool based on pneumatic floating |
| CN105033806A (en) * | 2015-08-19 | 2015-11-11 | 山东永高智能科技有限公司 | Pneumatic control floating type burring machine |
| TWM530724U (en) * | 2016-07-15 | 2016-10-21 | Evermore Machine Co Ltd | Pneumatic type floating-grinding device |
| CN206855183U (en) * | 2017-05-24 | 2018-01-09 | 浙江万丰科技开发股份有限公司 | Pneumatic floating sander |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107052937A (en) | 2017-08-18 |
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Address after: No. 999, Guanhe South Road, Sanjiang street, Shengzhou City, Shaoxing City, Zhejiang Province 312500 Applicant after: ZHEJIANG WANFENG TECHNOLOGY DEVELOPMENT Co.,Ltd. Address before: 312500 provincial high-tech industrial park, Chengguan Town, Xinchang County, Shaoxing, Zhejiang Applicant before: ZHEJIANG WANFENG TECHNOLOGY DEVELOPMENT Co.,Ltd. |
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