CN103949685A - Rotating clamping device - Google Patents
Rotating clamping device Download PDFInfo
- Publication number
- CN103949685A CN103949685A CN201410156966.4A CN201410156966A CN103949685A CN 103949685 A CN103949685 A CN 103949685A CN 201410156966 A CN201410156966 A CN 201410156966A CN 103949685 A CN103949685 A CN 103949685A
- Authority
- CN
- China
- Prior art keywords
- oil cylinder
- splined shaft
- cylinder piston
- clamping device
- piston
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/12—Chucks with simultaneously-acting jaws, whether or not also individually adjustable
- B23B31/20—Longitudinally-split sleeves, e.g. collet chucks
- B23B31/201—Characterized by features relating primarily to remote control of the gripping means
- B23B31/207—Characterized by features relating primarily to remote control of the gripping means using mechanical transmission through the spindle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
- B23Q1/44—Movable or adjustable work or tool supports using particular mechanisms
- B23Q1/50—Movable or adjustable work or tool supports using particular mechanisms with rotating pairs only, the rotating pairs being the first two elements of the mechanism
- B23Q1/52—Movable or adjustable work or tool supports using particular mechanisms with rotating pairs only, the rotating pairs being the first two elements of the mechanism a single rotating pair
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q16/00—Equipment for precise positioning of tool or work into particular locations not otherwise provided for
- B23Q16/02—Indexing equipment
- B23Q16/022—Indexing equipment in which only the indexing movement is of importance
- B23Q16/025—Indexing equipment in which only the indexing movement is of importance by converting a continuous movement into a rotary indexing movement
Abstract
The invention provides a rotating clamping device, which comprises an elastic clamp head, a spline shaft, an oil cylinder piston and a rotating motor, wherein the rotating motor drives the spline shaft to rotate, the oil cylinder piston is arranged in an oil cylinder and can be driven to do linear movement by hydraulic oil, and the spline shaft is arranged inside the oil cylinder piston through a piston bearing, so the spline shaft can rotate relative to the oil cylinder piston but cannot do relative linear movement, the elastic clamp head is driven by the spline shaft and simultaneously rotates and does linear movement, the rotating motor drives the spline shaft to rotate, the piston bearing and the spline shaft are positioned inside the oil cylinder piston, the spline shaft rotates through being carried by the piston bearing, the oil cylinder piston can be driven to do reciprocating linear movement in the oil cylinder through the driving of the oil pressure, but the oil cylinder piston per se does not rotate, and the spline shaft rotates relative to the oil cylinder piston and is driven to do the identical linear movement when the oil cylinder piston does the linear movement. Therefore the combination of linear movement and rotation of the elastic clamp head is realized.
Description
Technical field
The present invention relates to Machining Technology field, relate in particular to a kind of revolution clamping device.
Background technology
The slim workpiece of circle is added to man-hour (for example cutter blade class), in the process of end face, tooth portion and angle, need to carry out the processing without dead angle for circumferencial direction, also want stable holding simultaneously.According to " technological datum is unified " processing principle, must the endoporus of workpiece and end face be located and be clamped with spring chuck.But, realize stable holding and 360 ° without dead angle, difficulty is very large.Rapidly and efficiently locate for ease of workpiece the workpiece continuous rotary or the indexing gap that clamp and don't affect in the course of work and turn round, be necessary to develop revolution clamping device.
Summary of the invention
The object of the invention is to propose a kind of revolution clamping device, it can be rotated in clamping work pieces, has effectively solved the stable holding problem of the slim workpiece of circle in process.
A kind of revolution clamping device, comprises collet, splined shaft, oil cylinder piston and turning motor; Described turning motor drives described splined shaft to rotate, described oil cylinder piston is arranged in oil cylinder and by hydraulic oil and drives and can move linearly, described splined shaft is installed on the inside of described oil cylinder piston with piston bearing, described splined shaft can be rotated with respect to described oil cylinder piston, but can not relatively move linearly; Described collet is driven and rotates simultaneously and move linearly by described splined shaft.
The top of described splined shaft is provided with panoramic table, and described panoramic table is installed on fixed structure with bearing, and the middle part of described panoramic table is provided with the cylindrical deep gouge that holds described collet.
Described collet and panoramic table are fixed on splined shaft with stretching screw; The nut of stretching screw has tapering, and the position coordinating with described stretching screw of described collet is also provided with corresponding tapering; Stretching screw expands outwardly the tapering position of collet and clamping work pieces while moving downward with splined shaft.
Described oil cylinder piston moves linearly under the driving of oil pressure in oil cylinder upper press cover, cylinder body and oil cylinder lower cover.
Between described oil cylinder piston and described oil cylinder upper press cover and oil cylinder lower cover, be provided with seal.
Described turning motor is installed on turning motor seat, and the output shaft of described turning motor is provided with motor gear, and the bottom of described splined shaft is provided with gear wheel, and described motor gear engages with described gear wheel.
The thickness of described motor gear is greater than the rectilinear movement distance of described gear wheel under the drive of described splined shaft.
Preferably, be provided with locking nut described gear wheel is lock onto to described spline the tip of the axis.
The position of described splined shaft between described panoramic table and oil cylinder piston is provided with waterproof cover.
Preferably, be provided with locking nut described piston bearing is locked to described oil cylinder piston inside.
In the present invention, turning motor drives splined shaft to rotate; Piston bearing and splined shaft are positioned at the inside of oil cylinder piston, and splined shaft rotates under the carrying of piston bearing; Oil cylinder piston can do reciprocal rectilinear movement under the driving of oil pressure in oil cylinder, but oil cylinder piston itself does not rotate; Splined shaft rotates with respect to oil cylinder piston, and in the time that oil cylinder piston moves linearly, is driven and carries out same rectilinear movement.Therefore, the rectilinear movement of collet and the combination of rotation have been realized.
Brief description of the drawings
Fig. 1 is the structural representation of one embodiment of the present of invention.
Reference numeral:
1-collet; 2-panoramic table; 3-stretching screw; 4-outer race locking nut; 5-bearing; 6-bearing inner ring locking nut; 7-waterproof cover; 8-oil cylinder upper press cover; 9-oil cylinder gland lock-screw; 10-cylinder body; 11-seal; 12-piston bearing; 13-bearing holder (housing, cover); 14-oil cylinder lower cover; 15-turning motor; 16-turning motor seat; 17-motor gear; 18-lock sleeve; 19-gear wheel; 20-locking nut; 21-Bearing housing; 22-locking nut; 23-oil cylinder fixing body; 24-splined shaft; 25-oil cylinder piston.
Detailed description of the invention
Further illustrate technical scheme of the present invention below in conjunction with accompanying drawing and by detailed description of the invention.
With reference to Fig. 1, the one revolution clamping device of the present embodiment, comprises collet 1, splined shaft 24, oil cylinder piston 25 and turning motor 15; Described turning motor 15 drives described splined shaft 24 to rotate, described oil cylinder piston 25 is arranged in oil cylinder and by hydraulic oil and drives and can move linearly, described splined shaft 24 use piston bearings 12 are installed on the inside of described oil cylinder piston 25, described splined shaft 24 can be rotated with respect to described oil cylinder piston 25, but can not relatively move linearly; Described collet 1 is driven and rotates simultaneously and move linearly by described splined shaft 24.
Described collet 1 for the clamping workpiece that is positioning datum by inner hole of workpiece and end face at workbench.Turning motor 15 drives splined shaft 24 to rotate; Piston bearing 12 and splined shaft 24 are positioned at the inside of oil cylinder piston 25, and splined shaft 24 rotates under the carrying of piston bearing 12; Oil cylinder piston 25 can do reciprocal rectilinear movement under the driving of oil pressure in oil cylinder, but oil cylinder piston 25 itself does not rotate; Splined shaft 24 rotates with respect to oil cylinder piston 25, and in the time that oil cylinder piston 25 moves linearly, is driven and carries out same rectilinear movement.Therefore, the rectilinear movement of collet 1 and the combination of rotation have been realized.
The top of described splined shaft 24 is provided with panoramic table 2, and described panoramic table 2 use bearings 5 are installed on fixed structure, and the middle part of described panoramic table 2 is provided with the cylindrical deep gouge that holds described collet 1.
Described collet 1 and panoramic table 2 use stretching screws 3 are fixed on splined shaft 24; The nut of stretching screw 3 has tapering, and the position coordinating with described stretching screw 3 of described collet 1 is also provided with corresponding tapering; Stretching screw 3 expands outwardly the tapering position of collet 1 and clamping work pieces while moving downward with splined shaft 24.
Described oil cylinder piston 25 under the driving of oil pressure in oil cylinder upper press cover 8, cylinder body 10 and the interior rectilinear movement of oil cylinder lower cover 14.Cylinder structure is stable, realizes steady working condition, and guarantees that oil cylinder do not reveal.
Between described oil cylinder piston 25 and described oil cylinder upper press cover 8 and oil cylinder lower cover 14, be provided with seal 11.Seal 11 can not be revealed for guaranteeing hydraulic oil.
Described turning motor 15 is installed on turning motor seat 16, and the output shaft of described turning motor 15 is provided with motor gear 17, and the bottom of described splined shaft 24 is provided with gear wheel 19, and described motor gear 17 engages with described gear wheel 19.It is reliable and stable that this structure guarantees that turning motor 15 drives.
The thickness of described motor gear 17 is greater than the rectilinear movement distance of described gear wheel 19 under the drive of described splined shaft 24.What guarantee splined shaft 24 no matter is that turning motor 15 can both drive splined shaft 24 to rotate in the time of top or the position of lowermost end.
The present embodiment is also provided with locking nut 22 described gear wheel 19 is lock onto the end of described splined shaft 24.Guarantee the stable installation of gear wheel 19.The position of described splined shaft 24 between described panoramic table 2 and oil cylinder piston 25 is provided with waterproof cover 7.
Waterproof cover 7 prevents that other liquid such as water or other cooling fluids that workpiece added to man-hour at panoramic table 2 from flowing into oil cylinder.
The present embodiment is also provided with locking nut 20 described piston bearing 12 is locked to described oil cylinder piston 25 inside.Oil cylinder piston 25 moves back and forth under the driving of oil pressure in oil cylinder upper press cover 8, cylinder body 10 and oil cylinder lower cover 14
Collet 1, panoramic table 2, stretching screw 3, outer race locking nut 4, bearing 5 and bearing inner ring locking nut 6 form chuck component, effect by the clamping workpiece taking inner hole of workpiece and end face as positioning datum on workbench.Wherein the bore design of panoramic table 2 is spline pair structure, is convenient to instant transmitting torque, can make splined shaft 24 move up and down.Stretching screw 3 threaded engagement are installed on one end of splined shaft 24.The tapering position of stretching screw 3 coordinates with the tapering position of collet 1; Stretching screw 3 expands outwardly the tapering position of collet 1 and clamping work pieces while moving downward with splined shaft 24.
The composition such as oil cylinder upper press cover 8, cylinder body 10, seal 11, oil cylinder lower cover 14 and oil cylinder piston 25 pulling assembly, provides by the direction transformation of hydraulic oil the power moving up and down to oil cylinder piston 25.The effect of waterproof cover 7 prevents that the liquid being entered by spline pair is immersed in the bearing portion in drawing cylinder assembly; On revolution clamping cylinder fixing body 23, be designed with osculum.
The composition such as piston bearing 12, bearing holder (housing, cover) 13, locking nut 20, Bearing housing 21, splined shaft 24 gyro black assembly, makes splined shaft 24 further or releasing orientation can freely turn round at drawing cylinder assembly.
The composition such as turning motor 15, turning motor seat 16, motor gear 17, lock tube 18, gear wheel 19, locking nut 22 driven unit, the rotary power that turning motor 15 is produced passes to the splined shaft 24 in drawing cylinder gyro black assembly; Turning motor seat 16 is installed on revolution clamping cylinder fixing body 23.
Know-why of the present invention has below been described in conjunction with specific embodiments.These are described is in order to explain principle of the present invention, and can not be interpreted as by any way limiting the scope of the invention.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other detailed description of the invention of the present invention, within these modes all will fall into protection scope of the present invention.
Claims (10)
1. a revolution clamping device, is characterized in that: comprise collet, splined shaft, oil cylinder piston and turning motor; Described turning motor drives described splined shaft to rotate, described oil cylinder piston is arranged in oil cylinder and by hydraulic oil and drives and can move linearly, described splined shaft is installed on the inside of described oil cylinder piston with piston bearing, described splined shaft can be rotated with respect to described oil cylinder piston, but can not relatively move linearly; Described collet is driven and rotates simultaneously and move linearly by described splined shaft.
2. revolution clamping device according to claim 1, is characterized in that: the top of described splined shaft is provided with panoramic table, described panoramic table is installed on fixed structure with bearing, and the middle part of described panoramic table is provided with the cylindrical deep gouge that holds described collet.
3. revolution clamping device according to claim 2, is characterized in that: described collet and panoramic table stretching screw is fixed on splined shaft; The nut of stretching screw has tapering, and the position coordinating with described stretching screw of described collet is also provided with corresponding tapering; Stretching screw expands outwardly the tapering position of collet and clamping work pieces while moving downward with splined shaft.
4. revolution clamping device according to claim 1, is characterized in that: described oil cylinder piston moves linearly under the driving of oil pressure in oil cylinder upper press cover, cylinder body and oil cylinder lower cover.
5. revolution clamping device according to claim 4, is characterized in that: between described oil cylinder piston and described oil cylinder upper press cover and oil cylinder lower cover, be provided with seal.
6. revolution clamping device according to claim 1, it is characterized in that: described turning motor is installed on turning motor seat, the output shaft of described turning motor is provided with motor gear, and the bottom of described splined shaft is provided with gear wheel, and described motor gear engages with described gear wheel.
7. revolution clamping device according to claim 6, is characterized in that: the thickness of described motor gear is greater than the rectilinear movement distance of described gear wheel under the drive of described splined shaft.
8. revolution clamping device according to claim 6, is characterized in that: be provided with locking nut described gear wheel is lock onto to described spline the tip of the axis.
9. revolution clamping device according to claim 1, is characterized in that: the position of described splined shaft between described panoramic table and oil cylinder piston is provided with waterproof cover.
10. revolution clamping device according to claim 1, is characterized in that: be provided with locking nut described piston bearing is locked to described oil cylinder piston inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410156966.4A CN103949685B (en) | 2014-04-18 | 2014-04-18 | A kind of revolution clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410156966.4A CN103949685B (en) | 2014-04-18 | 2014-04-18 | A kind of revolution clamping device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103949685A true CN103949685A (en) | 2014-07-30 |
| CN103949685B CN103949685B (en) | 2016-02-03 |
Family
ID=51327108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410156966.4A Expired - Fee Related CN103949685B (en) | 2014-04-18 | 2014-04-18 | A kind of revolution clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103949685B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104190979A (en) * | 2014-09-01 | 2014-12-10 | 江苏多为泵业股份有限公司 | Pneumatic expansion core clamping device of lathe and operation method of pneumatic expansion core clamping device |
| CN105562839A (en) * | 2016-02-29 | 2016-05-11 | 西安贝吉姆机床股份有限公司 | Rotating workbench for worm grinding wheel gear grinding machine |
| CN106965088A (en) * | 2017-04-27 | 2017-07-21 | 山东工商学院 | Mill rotor groove fixture |
| CN114453930A (en) * | 2022-04-07 | 2022-05-10 | 宁波佳比佳智能科技有限公司 | Rotary clamping device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4823887A (en) * | 1987-03-27 | 1989-04-25 | Toyota Jidosha Kabushiki Kaisha | Working/assembling device with self-clamping means |
| CN2860691Y (en) * | 2006-01-16 | 2007-01-24 | 曾绍威 | Horizontal automatic drilling machine |
| CN201380234Y (en) * | 2009-03-09 | 2010-01-13 | 四川德阳泰豪科技有限公司 | Large-caliber clamping device |
| CN201997970U (en) * | 2011-02-16 | 2011-10-05 | 余胜东 | Pneumatic clamping type numerical control module |
| CN203765020U (en) * | 2014-04-18 | 2014-08-13 | 河源富马硬质合金股份有限公司 | Rotary clamping device |
-
2014
- 2014-04-18 CN CN201410156966.4A patent/CN103949685B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4823887A (en) * | 1987-03-27 | 1989-04-25 | Toyota Jidosha Kabushiki Kaisha | Working/assembling device with self-clamping means |
| CN2860691Y (en) * | 2006-01-16 | 2007-01-24 | 曾绍威 | Horizontal automatic drilling machine |
| CN201380234Y (en) * | 2009-03-09 | 2010-01-13 | 四川德阳泰豪科技有限公司 | Large-caliber clamping device |
| CN201997970U (en) * | 2011-02-16 | 2011-10-05 | 余胜东 | Pneumatic clamping type numerical control module |
| CN203765020U (en) * | 2014-04-18 | 2014-08-13 | 河源富马硬质合金股份有限公司 | Rotary clamping device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104190979A (en) * | 2014-09-01 | 2014-12-10 | 江苏多为泵业股份有限公司 | Pneumatic expansion core clamping device of lathe and operation method of pneumatic expansion core clamping device |
| CN105562839A (en) * | 2016-02-29 | 2016-05-11 | 西安贝吉姆机床股份有限公司 | Rotating workbench for worm grinding wheel gear grinding machine |
| CN106965088A (en) * | 2017-04-27 | 2017-07-21 | 山东工商学院 | Mill rotor groove fixture |
| CN106965088B (en) * | 2017-04-27 | 2018-09-14 | 山东工商学院 | Mill rotor slot fixture |
| CN114453930A (en) * | 2022-04-07 | 2022-05-10 | 宁波佳比佳智能科技有限公司 | Rotary clamping device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103949685B (en) | 2016-02-03 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160203 Termination date: 20170418 |
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| CF01 | Termination of patent right due to non-payment of annual fee |