CN103949897B - Double-work position hydraulic clamping rotating table - Google Patents
Double-work position hydraulic clamping rotating table Download PDFInfo
- Publication number
- CN103949897B CN103949897B CN201410156888.8A CN201410156888A CN103949897B CN 103949897 B CN103949897 B CN 103949897B CN 201410156888 A CN201410156888 A CN 201410156888A CN 103949897 B CN103949897 B CN 103949897B
- Authority
- CN
- China
- Prior art keywords
- oil cylinder
- rotary table
- splined shaft
- collet
- cylinder 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.)
- Expired - Fee Related
Links
Classifications
-
- 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
- B23Q1/26—Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members
-
- 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
- B23B31/204—Characterized by features relating primarily to remote control of the gripping means using fluid-pressure means to actuate the gripping means
-
- 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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/061—Work-clamping means adapted for holding a plurality of workpieces
-
- 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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
- B23Q3/065—Work-clamping means adapted for holding workpieces having a special form or being made from a special material for holding workpieces being specially deformable, e.g. made from thin-walled or elastic material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Machine Tool Units (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a double-work position hydraulic clamping rotating table. The double-work position hydraulic clamping rotating table comprises a rotation support, a rotation driving assembly and a rotation body, wherein the rotation body is mounted on the rotation support and does rotation motion under the drive of the rotation driving assembly; the rotation body comprises a rotation shaft and at least two sets of clamp assemblies; the at least two sets of clamp assemblies are mounted on the rotating shaft; the clamp assemblies comprise elastic chucks, spline shafts, oil cylinder pistons and rotation motors; the elastic chucks of the clamp assemblies which are mounted on the rotating shaft are located at the same straight line. According to the double-work position hydraulic clamping rotating table, the straight movement of the elastic chucks and the rotation are combined, the positions and the angles of workpieces are more flexible to change, and the work efficiency is improved; a plurality of workpieces are clamped by the same workbench for processing, and the labor productivity is further improved.
Description
Technical field
The present invention relates to Machining Technology field, particularly relate to a kind of double hydraulic clamp rotary table.
Background technology
When the slim workpiece of circle is processed (such as cutter blade class), the course of processing of end face, teeth portion and angle is required for circumferencial direction and carries out the processing without dead angle, the most also want stable holding.According to " technological datum is unified " processing principle, it is necessary to the endoporus of workpiece and end face spring chuck need to be positioned and clamp.But, stable holding to be realized and 360 ° are without dead angle, and difficulty is the biggest.Clamping and don't the workpiece continuous rotary affecting in work process or the revolution of indexing gap is rapidly and efficiently positioned, it is necessary to develop revolution clamping device for ease of workpiece.But due to slewing equipment station control more complicated, in the course of processing, need workpiece is carried out the processing of the multiple angle in multiple position, therefore the work efficiency of the frequent changes location of workpiece and angle is relatively low.
Summary of the invention
It is an object of the invention to propose a kind of double hydraulic clamp rotary table, it can rotate while clamping workpiece, efficiently solves circle slim workpiece stable holding problem in the course of processing；And multiple workpiece can be set in same workbench carry out processing that is identical or that differ simultaneously, improve working (machining) efficiency.
Double hydraulic clamp rotary table, drives assembly and revolving body including rotating stand, revolution；Described revolving body is installed on described rotating stand, and does gyration under the driving that described revolution drives assembly；Described revolving body includes that gyroaxis and clamp assembly, described clamp assembly are at least two sets, is mounted on described gyroaxis；
Described clamp assembly includes 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 is driven by hydraulic oil movable linearly, described splined shaft piston bearing is installed on the inside of described oil cylinder piston, make described splined shaft can rotate relative to described oil cylinder piston, but can not move by relative rectilinear；Described collet is driven by described splined shaft and rotates simultaneously and move linearly；
The collet of the multiple described clamp assembly being installed on described gyroaxis is positioned at same straight line.
Described revolution drives assembly to include that turbine and worm screw, described worm screw are installed on described revolution the tip of the axis, and worm screw described in described turbine drive drives the revolution of described gyroaxis.
The top of described splined shaft is provided with rotary table, and described rotary table bearing is installed on fixed structure, and the middle part of described rotary table is provided with the cylindrical deep gouge accommodating described collet；Described collet and rotary table stretching screw are fixed on splined shaft；The nut of stretching screw has tapering, described collet be also equipped with corresponding tapering with the position that described stretching screw coordinates；Expand outwardly the tapering position of collet when stretching screw moves downward with splined shaft and clamp workpiece.
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.
It is provided with seal between described oil cylinder piston and described oil cylinder upper press cover and oil cylinder lower cover.
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 more than described gear wheel rectilinear movement distance under the drive of described splined shaft.
Preferably, it is provided with locking nut and described gear wheel is lock onto described spline the tip of the axis.
Described splined shaft position between described rotary table and oil cylinder piston is provided with waterproof cover.
Preferably, it is provided with locking nut to be locked at inside described oil cylinder piston by described piston bearing.
The double hydraulic clamp rotary table of the present invention, it is achieved that the rectilinear movement of collet and the combination of rotation, makes the position of workpiece and angular transformation more flexible, thus improves work efficiency；And clamp multiple workpiece at same workbench and be processed simultaneously, further increase labor productivity.
Accompanying drawing explanation
Fig. 1 is the structural representation of one embodiment of the present of invention.
Fig. 2 is the profile of the installation site of the double of one embodiment of the present of invention.
Fig. 3 is the cross-sectional view of the clamp assembly of one embodiment of the present of invention.
Reference:
1 collet；2 rotary tables；3 stretching screws；4 outer race locking nuts；5 bearings；6 bearing inner ring locking nuts；7 waterproof covers；8 oil cylinder upper press covers；9 oil cylinder gland lock-screws；10 cylinder bodies；11 seals；12 piston bearings；13 bearing holder (housing, cover)s；14 oil cylinder lower covers；15 turning motors；16 turning motor seats；17 motor gears；18 lock sleeves；19 gear wheels；20 locking nuts；21 Bearing housings；22 locking nuts；23 oil cylinder fixing bodies；24 splined shafts；25 oil cylinder pistons；26 bearing blocks；27 gyroaxises；28 revolving bodies；115 rotating stands；113 turbines；114 worm screws.
Detailed description of the invention
Further illustrate technical scheme below in conjunction with the accompanying drawings and by detailed description of the invention.
See figures.1.and.2, the double hydraulic clamp rotary table of the present embodiment, drive assembly and revolving body 28 including rotating stand 115, revolution；Described revolving body 28 is installed on described rotating stand 115, and does gyration under the driving that described revolution drives assembly；Described revolving body 28 includes that gyroaxis 27 and clamp assembly, described clamp assembly are at least two sets, is mounted on described gyroaxis 27；
Such as Fig. 3, described clamp assembly includes 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 is driven by hydraulic oil movable linearly, described splined shaft 24 piston bearing 12 is installed on the inside of described oil cylinder piston 25, make described splined shaft 24 can rotate relative to described oil cylinder piston 25, but can not move by relative rectilinear；Described collet 1 is driven by described splined shaft 24 and rotates simultaneously and move linearly.
The collet 1 of the multiple described clamp assembly being installed on described gyroaxis 27 is positioned at same straight line.So it is able to ensure that the workpiece on the collet 1 being installed on multiple clamp assembly can be carried out identical processing by multiple process equipments (such as grinding tool) simultaneously, therefore improves production efficiency.Certainly, multiple different clamp assemblies can also carry out different rectilinear movements and rotation, thus carries out different working procedure processing.
Described revolution drives assembly to include that turbine 113 and worm screw 114, described worm screw 114 are installed on the end of described gyroaxis 27, and described turbine 113 drives described worm screw 114 to drive the revolution of described gyroaxis 27.
Described collet 1 is for by inner hole of workpiece and clamping workpiece that end face is positioning datum on the table.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 does not rotates itself；Splined shaft 24 rotates relative to oil cylinder piston 25, and is driven when oil cylinder piston 25 moves linearly and carries out same rectilinear movement.It is thereby achieved that the rectilinear movement of collet 1 and the combination of rotation.
The top of described splined shaft 24 is provided with rotary table 2, and described rotary table 2 bearing 5 is installed on fixed structure, and the middle part of described rotary table 2 is provided with the cylindrical deep gouge accommodating described collet 1.
Described collet 1 and rotary table 2 stretching screw 3 are fixed on splined shaft 24；The nut of stretching screw 3 has tapering, and the position coordinated with described stretching screw 3 of described collet 1 is also equipped with corresponding tapering；Stretching screw 3 expands outwardly the tapering position of collet 1 and clamps workpiece when moving downward with splined shaft 24.
Described oil cylinder piston 25 moves linearly under the driving of oil pressure in oil cylinder upper press cover 8, cylinder body 10 and oil cylinder lower cover 14.Cylinder structure is stable, it is achieved steady working condition, and guarantees that oil cylinder is not revealed.
It is provided with seal 11 between described oil cylinder piston 25 and described oil cylinder upper press cover 8 and oil cylinder lower cover 14.Seal 11 is used for guaranteeing that hydraulic oil will not be revealed.
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 more than the described gear wheel 19 rectilinear movement distance under the drive of described splined shaft 24.When guaranteeing the position being in top or lowermost end of no matter splined shaft 24, turning motor 15 can drive splined shaft 24 to rotate.
The present embodiment is additionally provided with locking nut 22 and described gear wheel 19 lock onto the end of described splined shaft 24.Guarantee the stable installation of gear wheel 19.The described splined shaft 24 position between described rotary table 2 and oil cylinder piston 25 is provided with waterproof cover 7.
Waterproof cover 7 prevents other liquid such as the water when workpiece is processed by rotary table 2 or other coolants from flowing into oil cylinder.
The present embodiment is additionally provided with locking nut 20 and described piston bearing 12 is locked at 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, rotary table 2, stretching screw 3, outer race locking nut 4, bearing 5 and bearing inner ring locking nut 6 form chuck component, and effect is by the clamping workpiece as positioning datum with inner hole of workpiece and end face on the table.Wherein the bore design of rotary table 2 is spline pair structure, it is simple to immediately transmit moment of torsion, and splined shaft 24 can be made to move up and down.Stretching screw 3 threaded engagement is 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 clamps workpiece when moving downward with splined shaft 24.
The composition pulling assembly such as oil cylinder upper press cover 8, cylinder body 10, seal 11, oil cylinder lower cover 14 and oil cylinder piston 25, provides the power moved up and down by the direction transformation of hydraulic oil to oil cylinder piston 25.The effect of waterproof cover 7 prevents the bearing portion that the liquid entered by spline pair is immersed in drawing cylinder assembly；It is designed with osculum on revolution clamping cylinder fixing body 23.
The composition gyro black assembly such as piston bearing 12, bearing holder (housing, cover) 13, locking nut 20, Bearing housing 21, splined shaft 24, 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 drives assembly, and the rotary power that turning motor 15 produces 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.
The know-why of the present invention is described above in association with specific embodiment.These describe the principle being intended merely to explain the present invention, and can not be construed to limiting the scope of the invention by any way.Based on explanation herein, those skilled in the art need not pay performing creative labour can associate other detailed description of the invention of the present invention, within these modes fall within protection scope of the present invention.
Claims (8)
1. double hydraulic clamp rotary table, it is characterised in that: include that rotating stand, revolution drive assembly and revolving body；Described revolving body is installed on described rotating stand, and does gyration under the driving that described revolution drives assembly；Described revolving body includes that gyroaxis and clamp assembly, described clamp assembly are at least two sets, is mounted on described gyroaxis；
Described clamp assembly includes 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 is driven by hydraulic oil movable linearly, described splined shaft piston bearing is installed on the inside of described oil cylinder piston, make described splined shaft can rotate relative to described oil cylinder piston, but can not move by relative rectilinear；Described collet is driven by described splined shaft and rotates simultaneously and move linearly；
The collet of the multiple described clamp assembly being installed on described gyroaxis is positioned at same straight line；
Described revolution drives assembly to include that turbine and worm screw, described worm screw are installed on described revolution the tip of the axis, and worm screw described in described turbine drive drives the revolution of described gyroaxis；
The top of described splined shaft is provided with rotary table, and described rotary table bearing is installed on fixed structure, and the middle part of described rotary table is provided with the cylindrical deep gouge accommodating described collet；Described collet and rotary table stretching screw are fixed on splined shaft；The nut of stretching screw has tapering, described collet be also equipped with corresponding tapering with the position that described stretching screw coordinates；Expand outwardly the tapering position of collet when stretching screw moves downward with splined shaft and clamp workpiece.
Double hydraulic clamp rotary table the most according to claim 1, it is characterised 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.
Double hydraulic clamp rotary table the most according to claim 2, it is characterised in that: it is provided with seal between described oil cylinder piston and described oil cylinder upper press cover and oil cylinder lower cover.
Double hydraulic clamp rotary table the most 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.
Double hydraulic clamp rotary table the most according to claim 4, it is characterised in that: the thickness of described motor gear is more than described gear wheel rectilinear movement distance under the drive of described splined shaft.
Double hydraulic clamp rotary table the most according to claim 4, it is characterised in that: it is provided with locking nut and described gear wheel is lock onto described spline the tip of the axis.
Double hydraulic clamp rotary table the most according to claim 1, it is characterised in that: described splined shaft position between described rotary table and oil cylinder piston is provided with waterproof cover.
Double hydraulic clamp rotary table the most according to claim 1, it is characterised in that: it is provided with locking nut and described piston bearing is locked at inside described oil cylinder piston.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410156888.8A CN103949897B (en) | 2014-04-18 | 2014-04-18 | Double-work position hydraulic clamping rotating table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410156888.8A CN103949897B (en) | 2014-04-18 | 2014-04-18 | Double-work position hydraulic clamping rotating table |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103949897A CN103949897A (en) | 2014-07-30 |
| CN103949897B true CN103949897B (en) | 2017-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410156888.8A Expired - Fee Related CN103949897B (en) | 2014-04-18 | 2014-04-18 | Double-work position hydraulic clamping rotating table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103949897B (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104708460B (en) * | 2015-02-09 | 2017-09-22 | 鹰普航空零部件（无锡）有限公司 | High-precision processing and positioning device |
| CN105058155A (en) * | 2015-07-16 | 2015-11-18 | 佛山市普拉迪数控科技有限公司 | Machining center |
| CN104985464A (en) * | 2015-07-16 | 2015-10-21 | 佛山市普拉迪数控科技有限公司 | Clamp capable of conducting one-time clamping machining of a plurality of surfaces of a plurality of workpieces |
| CN104972339A (en) * | 2015-07-16 | 2015-10-14 | 佛山市普拉迪数控科技有限公司 | Clamp capable of clamping and machining multiple surfaces of multiple workpieces at a time |
| CN105479195A (en) * | 2015-12-26 | 2016-04-13 | 沈正福 | Rotating assembly of numerical control machining center |
| CN106736714A (en) * | 2017-03-01 | 2017-05-31 | 江苏浩峰汽车附件有限公司 | A kind of fixture |
| CN110280802B (en) * | 2019-07-24 | 2024-03-26 | 台州市中亚汽车零部件股份有限公司 | Clamping tool for driving shaft drilling |
| CN111069950A (en) * | 2019-12-23 | 2020-04-28 | 宁国金鑫电机有限公司 | Double-station automatic section milling and center hole drilling clamp |
| CN111659936A (en) * | 2020-06-01 | 2020-09-15 | 杭州联盛量具制造有限公司 | Carving mills machine |
| CN112775493A (en) * | 2021-01-13 | 2021-05-11 | 浙江百博机械科技有限公司 | Rotation and tensioning simultaneous working mechanism |
| CN114633133B (en) * | 2022-05-20 | 2022-08-09 | 四川仨川航空科技股份有限公司 | Airplane special-shaped part clamping auxiliary device and clamping method thereof |
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| JP5820637B2 (en) * | 2011-01-25 | 2015-11-24 | 株式会社モリタ製作所 | Chuck mechanism for dental handpiece and dental handpiece using the same |
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| CN201997970U (en) * | 2011-02-16 | 2011-10-05 | 余胜东 | Pneumatic clamping type numerical control module |
| CN102601713A (en) * | 2012-04-18 | 2012-07-25 | 安徽力成机械装备有限公司 | Double-station CNC (computer numerical control) vertical ball cage arc raceway groove and ball hole grinding machine |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN103949897A (en) | 2014-07-30 |
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