CN204673476U - Constant force is floated power head mechanism - Google Patents
Constant force is floated power head mechanism Download PDFInfo
- Publication number
- CN204673476U CN204673476U CN201520286981.0U CN201520286981U CN204673476U CN 204673476 U CN204673476 U CN 204673476U CN 201520286981 U CN201520286981 U CN 201520286981U CN 204673476 U CN204673476 U CN 204673476U
- Authority
- CN
- China
- Prior art keywords
- shell
- power part
- installation sleeve
- part installation
- power
- 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.)
- Expired - Fee Related
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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
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Actuator (AREA)
Abstract
The border that this technology provides a kind of power part can adapt to workpiece to be machined and floating and contact force substantially constant between power part and processing work, the constant force adapting to workpiece border with flexibility is floated power head mechanism.It comprises shell, and power part installation sleeve swings and is arranged on shell; Shell is provided with the gland of the axis direction movement along shell; It also comprises the hold-down mechanism be arranged on shell, the power that can export a constant magnitude during described hold-down mechanism normality drives gland move to a direction along the axis of shell and make one end of gland and the end thereof contacts of power part installation sleeve, drives power part installation sleeve to swing to the position coaxial with housing axis.
Description
Technical field
This patent relates to the constant force that the axis of unit head can be swung and to float power head mechanism, and unit head is in the position coaxial with housing axis to be pressed towards close to constant power all the time.
Background technology
Pneumatic or motor machines for some, as electricity turn, pneumatic hammer etc., power part is when carrying out operation as polishing, power part present rigidity, the difference on workpiece border can not be adapted to, or to defeat tight cutter (after unit head off center, pressure becomes large) close to constant, the bad adaptability of processing can not be caused, the flexible requirement adapting to workpiece border can not be met.
Summary of the invention
The object of this technology is to provide a kind of power part and can adapts to the border of workpiece to be machined and float and contact force substantially constant between power part and processing work, and the constant force adapting to workpiece border with flexibility is floated power head mechanism.
Constant force described in this technology is floated power head mechanism, comprises shell, and power part installation sleeve swings and is arranged on shell; Shell is provided with the gland of the axis direction movement along shell; It also comprises the hold-down mechanism be arranged on shell, the power that can export a constant magnitude during described hold-down mechanism normality drives gland move to a direction along the axis of shell and make one end of gland and the end thereof contacts of power part installation sleeve, drives power part installation sleeve to swing to the position coaxial with housing axis.
Above-mentioned constant force is floated power head mechanism, described hold-down mechanism comprises inner ring, outer shroud, upper press cover, lower cover, upper diaphragm, lower diaphragm, the outer ring of upper diaphragm is clamped between outer shroud and upper press cover, the outer ring of lower diaphragm is pressed between outer shroud and lower cover, and the inner ring of upper diaphragm is all connected with inner ring seal with the inner ring of lower diaphragm; The diameter of bore of upper press cover varies in size with the diameter of bore pressing down hole; The outer shroud of hold-down mechanism is arranged on shell; Inner ring, outer shroud, upper diaphragm, lower diaphragm define atmospheric pressure cavity, and inner ring or outer shroud have the Compressed Gas hand-hole communicated with atmospheric pressure cavity; Inner ring is connected with one end of gland.In this hold-down mechanism, the diameter of bore of upper press cover and lower cover two lid is unequal, when passing into Compressed Gas in atmospheric pressure cavity, when gas pressure is on upper diaphragm and lower diaphragm, the thrust that upper diaphragm produces to upper press cover direction is different from the thrust that lower diaphragm downward diaphragm direction produces.Assuming that lower cover endoporus is large, upper press cover endoporus is little.The pressure vertically produced after upper press cover and upper diaphragm effect is less than the pressure that lower cover and lower iris action produce, thus produces an axial force towards the direction of the larger lower cover of internal diameter.As long as the pressure of compression gas-pressure is constant, above-mentioned axial force is also constant.Inner ring just moves down under this responsive to axial force together with gland, is pressed on an end face of power part installation sleeve.
Above-mentioned constant force is floated power head mechanism, power part installation sleeve is swung by following structure and is arranged on shell: power part installation sleeve is arranged on shell by two coaxial pivots, and the axis of pivot and power part installation sleeve axis, housing axis are all vertical.Like this, the power part installation sleeve of power part is installed pivotally swinging relative to shell perpendicular in the plane of pivot.
Above-mentioned constant force is floated power head mechanism, is swung and is arranged on shell: between shell and power part installation sleeve, arrange cardo ring by following structure, and cardo ring coaxial to be domesticly connected with power part installation sleeve by two; Cardo ring is connected with shell by two coaxial export trades, outer pin axis and domestic axes normal.Like this, the power part installation sleeve installing power part both can rotate relative to cardo ring and shell around domestic, and also can rotate relative to shell around export trade together with cardo ring, power part installation sleeve be can be described as and is connected on shell by gimbal structure.That is, power part can to swing close to constant power within the scope of 360 degree.
Above-mentioned constant force is floated power head mechanism, and gland is slidably arranged on shell by the axis direction of linear bearing along shell.Linear bearing is used for ensureing that the thrust of gland to power part installation sleeve is always axially, and reduces frictional resistance.
Beneficial effect of the present invention: owing to having hold-down mechanism, hold-down mechanism drives gland to be pressed on power part installation sleeve with constant power, if power part installation sleeve and gland disalignment, gland will make power part installation sleeve swing relative to housing axis, and make power part installation sleeve be subject to all the time one trend towards housing axis close to constant power, the process tool flexibility of unit head is enable to adapt to workpiece border, and the contact force substantially constant between power part and processing work.By the constant pressure of Compressed Gas, can ensure that the thrust of gland to power part installation sleeve is constant, be that a kind of constant force is floated power head mechanism, change compressed-air actuated pressure, the contact force between the power part of unit head and processing work can be changed.
Accompanying drawing explanation
Fig. 1 is that this constant force is floated the schematic diagram of power head mechanism;
Fig. 2 is that this constant force is floated another schematic diagram of power head mechanism.
Detailed description of the invention
To float power head mechanism see the constant force shown in Fig. 1,2, comprise shell 1, the following gimbal structure of power part installation sleeve 2 is connected with shell: between shell and power part installation sleeve, arrange cardo ring 3, and cardo ring is connected with power part installation sleeve by two coaxial domestic 4; Cardo ring is connected with shell by two coaxial export trades 5, outer pin axis and domestic axes normal.Cardo ring and shell can relatively rotate around export trade 5, and cardo ring and power part installation sleeve relatively rotate around domestic 4.
The outer ring 81 of linear bearing 8 is fixing in the enclosure, the upper and lower side of the inner ring 82 of linear bearing respectively with hold-down mechanism trap 99, lining 100 is connected.
Hold-down mechanism 9 comprises inner ring 91, outer shroud 92, upper press cover 93, lower cover 94, upper diaphragm 95, lower diaphragm 96, bolt, upper cover 98, trap 99 etc.The outer ring of upper diaphragm is clamped between outer shroud and upper press cover, and the outer ring of lower diaphragm is pressed between outer shroud and lower cover, and the inner ring of upper diaphragm is clamped between inner ring and upper cover, between the inner ring of lower diaphragm is pressed in inner ring and traps.Bolt is through upper cover 98, inner ring 91, trap 99 upper cover 98, inner ring 91,99 axial restraints of trapping, and bolt passes upper press cover 93, outer shroud 92, lower cover 94 upper press cover 93, outer shroud 92, lower cover 94 axial restraint.Endoporus 903 diameter of upper press cover is less than the endoporus 904 pressing down hole.The bottom of lower cover is fixed on shell.Inner ring, outer shroud, upper diaphragm, lower diaphragm define and atmospheric pressure cavity 905, and outer shroud has the Compressed Gas hand-hole 906 communicated with atmospheric pressure cavity.When compressed air passes in atmospheric pressure cavity, upper cover, inner ring, trap, linear bearing inner ring, lining entirety moves down, the end thereof contacts of lining one end and power part installation sleeve.
The effect of lining is identical with gland.If remove lining, and use the end thereof contacts of the end face of inner ring and power part installation sleeve to be also fine, at this time, inner ring is equivalent to gland.
In hold-down mechanism, the diameter of bore of upper press cover and lower cover two lid is unequal, when compressed air enters atmospheric pressure cavity, the pressure vertically produced after upper press cover and upper diaphragm effect is less than the pressure that lower cover and lower iris action produce, thus produces an axial force towards the direction of the larger lower cover of internal diameter.
The axial force of hold-down mechanism by the movable component of upper cover, inner ring, the composition such as to trap, by axial force transmission to bearing inner race, inner ring by lining or directly by axial force transmission on power part installation sleeve.
By the cross universal organization establishes of the compositions such as cardo ring, domestic, export trade in the enclosure, like this, power part installation sleeve can swing certain angle to any direction relative to shell to power part installation sleeve.
When power part installation sleeve swings, can by lining and inner ring upwardly, and the axial force that hold-down mechanism produces acts on the end face of power part installation sleeve all the time, it is made always to have the power tending to center, like this, when power part installation sleeve swings, just have a restoring force close to the constant center that trends towards (360 ° of active forces).
Power part 6 through upper press cover, upper cover, inner ring, trap, lining, power part installation sleeve 2 be fixed on power part installation sleeve 2 by holding screw 7.Power part also can not pass hold-down mechanism, and is only arranged on installation sleeve.
Power part is the instruments such as any power that can produce is used for processing or meeting job requirement, electronic or pneumatic.
Claims (5)
1. constant force is floated power head mechanism, comprises shell, it is characterized in that: power part installation sleeve swings and is arranged on shell; Shell is provided with the gland of the axis direction movement along shell; It also comprises the hold-down mechanism be arranged on shell, the power that can export a constant magnitude during described hold-down mechanism normality drives gland move to a direction along the axis of shell and make one end of gland and the end thereof contacts of power part installation sleeve, drives power part installation sleeve to swing to the position coaxial with housing axis.
2. constant force as claimed in claim 1 is floated power head mechanism, it is characterized in that: described hold-down mechanism comprises inner ring, outer shroud, upper press cover, lower cover, upper diaphragm, lower diaphragm, the outer ring of upper diaphragm is clamped between outer shroud and upper press cover, the outer ring of lower diaphragm is pressed between outer shroud and lower cover, and the inner ring of upper diaphragm is all connected with inner ring seal with the inner ring of lower diaphragm; The diameter of bore of upper press cover varies in size with the diameter of bore pressing down hole; The outer shroud of hold-down mechanism is arranged on shell; Inner ring, outer shroud, upper diaphragm, lower diaphragm define atmospheric pressure cavity, and inner ring or outer shroud have the Compressed Gas hand-hole communicated with atmospheric pressure cavity; Inner ring is connected with one end of gland.
3. constant force as claimed in claim 1 is floated power head mechanism, it is characterized in that: power part installation sleeve is swung by following structure and is arranged on shell: power part installation sleeve is arranged on shell by two coaxial pivots, the axis of pivot and power part installation sleeve axis, housing axis are all vertical.
4. constant force as claimed in claim 1 is floated power head mechanism, it is characterized in that: power part installation sleeve is swung by following structure and is arranged on shell: between shell and power part installation sleeve, arrange cardo ring, cardo ring coaxial to be domesticly connected with power part installation sleeve by two; Cardo ring is connected with shell by two coaxial export trades, outer pin axis and domestic axes normal.
5. constant force as claimed in claim 1 is floated power head mechanism, it is characterized in that: gland is slidably arranged on shell by the axis direction of linear bearing along shell.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520286981.0U CN204673476U (en) | 2015-05-06 | 2015-05-06 | Constant force is floated power head mechanism |
| PCT/CN2016/080930 WO2016177313A1 (en) | 2015-05-06 | 2016-05-03 | Constant force floating power head mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520286981.0U CN204673476U (en) | 2015-05-06 | 2015-05-06 | Constant force is floated power head mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204673476U true CN204673476U (en) | 2015-09-30 |
Family
ID=54173198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520286981.0U Expired - Fee Related CN204673476U (en) | 2015-05-06 | 2015-05-06 | Constant force is floated power head mechanism |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN204673476U (en) |
| WO (1) | WO2016177313A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016177313A1 (en) * | 2015-05-06 | 2016-11-10 | 南京阿福机器人有限公司 | Constant force floating power head mechanism |
| CN107639242A (en) * | 2017-09-30 | 2018-01-30 | 广州蓝圣智能科技有限公司 | A kind of flexibly direct writing device mechanism for industrial robot end |
| CN109732476A (en) * | 2019-03-01 | 2019-05-10 | 重庆大学 | Variation rigidity constant force floating polishing bistrique |
| CN117123810A (en) * | 2023-10-27 | 2023-11-28 | 万向钱潮股份公司 | Machining positioning device for three-pin shaft universal joint and fixing method thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108818195A (en) * | 2018-08-31 | 2018-11-16 | 广州每通自动化设备有限公司 | A kind of multistation burr remover |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19633855A1 (en) * | 1996-08-16 | 1998-02-19 | Mannesmann Ag | Method and device for regrinding the rolls installed in hot strip rolling mills |
| CN203210158U (en) * | 2013-04-09 | 2013-09-25 | 浙江博海金属制品科技有限公司 | Pressure automatically adjusting device for grinding of stainless steel plates |
| CN203210183U (en) * | 2013-04-09 | 2013-09-25 | 浙江博海金属制品科技有限公司 | Pressure automatic regulating device for polishing machine |
| CN203330810U (en) * | 2013-07-02 | 2013-12-11 | 格林策巴赫机械(上海)有限公司 | Flexible self-adaptive mechanism of polishing machine |
| CN204673476U (en) * | 2015-05-06 | 2015-09-30 | 林中尉 | Constant force is floated power head mechanism |
-
2015
- 2015-05-06 CN CN201520286981.0U patent/CN204673476U/en not_active Expired - Fee Related
-
2016
- 2016-05-03 WO PCT/CN2016/080930 patent/WO2016177313A1/en active Application Filing
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016177313A1 (en) * | 2015-05-06 | 2016-11-10 | 南京阿福机器人有限公司 | Constant force floating power head mechanism |
| CN107639242A (en) * | 2017-09-30 | 2018-01-30 | 广州蓝圣智能科技有限公司 | A kind of flexibly direct writing device mechanism for industrial robot end |
| CN107639242B (en) * | 2017-09-30 | 2024-04-09 | 沈阳敏能汽车零部件有限公司 | Flexible actuator mechanism for tail end of industrial robot |
| CN109732476A (en) * | 2019-03-01 | 2019-05-10 | 重庆大学 | Variation rigidity constant force floating polishing bistrique |
| CN109732476B (en) * | 2019-03-01 | 2020-10-13 | 重庆大学 | Variable-rigidity constant-force floating polishing grinding head |
| CN117123810A (en) * | 2023-10-27 | 2023-11-28 | 万向钱潮股份公司 | Machining positioning device for three-pin shaft universal joint and fixing method thereof |
| CN117123810B (en) * | 2023-10-27 | 2024-02-20 | 万向钱潮股份公司 | Machining positioning device for three-pin shaft universal joint and fixing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016177313A1 (en) | 2016-11-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150930 |