CN101262971A - Method for operating an actuation unit and device for carrying the same - Google Patents
Method for operating an actuation unit and device for carrying the same Download PDFInfo
- Publication number
- CN101262971A CN101262971A CN200680033694.2A CN200680033694A CN101262971A CN 101262971 A CN101262971 A CN 101262971A CN 200680033694 A CN200680033694 A CN 200680033694A CN 101262971 A CN101262971 A CN 101262971A
- Authority
- CN
- China
- Prior art keywords
- piston
- tension bolt
- clamping
- actuation unit
- machine tool
- 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
Images
Landscapes
- Gripping On Spindles (AREA)
Abstract
The invention relates to a method for operating an actuation device (20), which is used to clamp and loosen a clamping device which comprises a tie bolt which can be adjusted in an axial manner in a machine spindle (3), for actuating a clamping head (6) which co-operates with clamping claws (5). Initially, force is exerted upon the tie bolt (4) by means of an actuation device (20) which is used to clamp in an axial clamping direction, until the axial length thereof is fixed in relation to the machine spindle (3) by means of self-locking.; According to the invention, after self-locking is obtained, the effect of the force in the direction of clamping of the actuation element (20) on the tie bolt is stopped and remains blocked whilst the clamping device is being used, and to release clamping, the tie bolt (4) is displaced by the actuation device (20) in the direction of release which is counter to the clamping direction. The invention relates to a device for carrying out said method.
Description
The present invention relates to a kind of method that is used to make the actuation unit operation, this actuation unit be used for by one on machine tool chief axis axially adjustable tension bolt clamp and unclamp a clamping device, be used to handle one and the coefficient clamping head of claw, wherein at first for being applied to active force, clamping on axial clamping direction strains on the bolt by actuation unit, fix with respect to machine tool chief axis by self-locking up to its axial location, wherein after realizing self-locking, keep suppressing, and the tension bolt is adjusted by actuation unit to unclamp on the direction opposite with clamping direction in order to unclamp to clamp in the active force termination on the tension bolt on the actuation unit clamping direction and at the work run duration of clamping device.Content of the present invention also relates to the device that is used to carry out this method.
Background technology
By prior art, for example by DE 140 638 A1 known pinch devices, it is used for by the clamp workpiece, and anchor clamps for example have the hollow stem awl.Be also referred to as the actuation unit that unclamps the unit in order to handle this clamping device use, they axially adjust a tension bolt that is attached to clamping device, wherein remain on this position by actuation unit deviating from the direction of anchor clamps tension and applying under the condition of required for this reason clamping force, wherein locate by disc spring or helical spring support tension bolt correct position ground for clamping work pieces makes the tension bolt.Clamp if remove again, the tension bolt is adjusted in the opposite direction by actuation unit.The clamping device of this actuation unit with subordinate and the required method of its operation lived through test in practice, but along with the increase of machine spindle speed always expects to continue to improve balance mass, make known systems run into restriction, wherein especially disc spring or helical spring play detrimental effect by its required lasting load take-up bolt.
Summary of the invention
Therefore the objective of the invention is, a kind of method that is used to make the actuation unit operation be provided, it it can not have this spring.The present invention also aims to be provided for carrying out the device of this method.
The purpose part relevant with method is achieved by above-mentioned method, it is characterized in that, need active force is applied on the tension bolt in order to clamp and only to unclamp, and manipulation device needn't be exerted all one's strength at the run duration of working on the machine tool chief axis with rotation at a high speed at clamping device and is applied on the tension bolt.
To note at this, also there is this possibility in order to shorten the outfit time of for example changing instrument, when clamping, after reaching self-locking, during starts reduces active force, promptly at machine tool chief axis, machine tool chief axis can start, and just makes control module be terminated to the power transfer chain of tension bolt.
Especially consider safety problem in addition within the scope of the invention, when unclamping, only just unclamping direction importing active force in the inactive state that realizes machine tool chief axis, promptly only just set up the power transfer chain at actuation unit and tension between the bolt more later in the inactive state that realizes machine tool chief axis fully, to avoid since inadequately clamping work pieces cause injured and damage.
The purpose part relevant with device is achieved thus, a clamping device is furnished with the tension bolt that supports adjustably on machine tool chief axis is axial, this tension bolt is handled and the coefficient clamping head of claw, wherein guarantee the axial location of tension bolt in clamped position by self-locking, and have an actuation unit, it connects ground and tension bolt decoupling connection in the clamped position power transmission of tension bolt.The parts that this structure especially can suppress to be used to handle the required actuation unit of tension bolt are to the negative effect of balance mass and the coupling of tension bolt and actuation unit is joined balance mass is not had a negative impact.These advantages can realize easily that especially if manipulation device is contactlessly located with respect to the tension bolt at the clamped position of tension bolt, promptly the tension bolt of Shi Fanging can contactlessly rotate with respect to operating system with whole machine tool chief axis.
At this verified embodiment is favourable, it constitutes like this, the tension bolt is set up first coil windings, it be used for be attached to machine tool chief axis, with the second coil windings acting in conjunction of the coaxial setting of first coil windings, it with the stator that is attached to static manipulation shell contactlessly coupling join.On principle, realize linear electric motors by this structure, wherein can play making the tension bolt at clamping direction or unclamp the effect of adjusting on the direction by the different senses of current.
The feature of a particularly preferred embodiment is, described tension bolt has an axle collar, and it is arranged on the piston chamber the inside of first piston, and this piston is arranged on the inside, cylinder chamber that pressure medium loads of passing through of manipulation device.Differently with the embodiment that utilizes coil windings in this embodiment allow to have the working method that contacts in order to clamp with unclamping, and guarantee, tension bolt and its axle collar are contactlessly located with respect to manipulation device at clamping device work run duration, because this point is to reach high-revolving important criterion when good balance mass, and can allow contact in order to control manipulation device in inactive state.
Also stipulate within the scope of the invention, first piston in the cylinder chamber from middle position the adjustment stroke on the both direction greater than the axle collar piston chamber at two adjustment strokes of adjusting on the directions, additional adjustable by first piston not only can be implemented between the axle collar and the contacting of piston chamber thus, but also realizes the required adjustment of tension bolt for the manipulation of clamping device.
Particularly preferably in the inside, the second cylinder chamber second piston being set in the manipulation device, it loads first piston at the clamped position of tension bolt.Zhuan Zhi intact working method importantly keeps the centre position of the axle collar in piston chamber exactly at the work run duration hereto, and wherein this accurately only is difficult to guarantee by the pressure dependence in the master cylinder chamber in the location.By using second piston to realize this assurance in simple mode, it is determined first piston and determines the tram of the axle collar in its piston chamber thus at clamped position.
Stipulate that in order to realize the tram of second piston second piston has than the bigger effective diameter of first piston and the side that deviates from mutually that makes the first piston and second piston by three position directional valve at the clamped position of tension bolt with identical pressure-loaded at clamped position.
Stipulate within the scope of the invention in addition, in order to monitor stroke manipulation device is set up a ring sensor, be used for and be attached to the tracer acting in conjunction of strain bolt, have this possibility by this embodiment thus, in order to import the adjustment that bolt is strained in the clamping force monitoring.
The feature of another alternate embodiments is, described actuation unit has a swivel coupling (Drehdurchf ü hrung), it has a distributor axis that is connected with machine tool chief axis and torsion proof, is loaded with the distributor shell of pressure medium connector, wherein pressure medium connector be used to load be arranged on piston chamber the inside, with the both sides of the piston of tension bolt coupling connection.To note in this embodiment, not in running status, promptly neither clamping, do not providing during also in the work operation when unclamping the coupling connection of tension bolt with respect to the effect contactlessly of manipulation device, but connect ground at clamped position and tension bolt decoupling connection corresponding to the above-mentioned actuation unit power transmission that requires, promptly, pressure medium connector only is used for control with pressure-loaded, and they are connected for operation no pressure ground, because especially make the sealing wear increasing under pressure-loaded when desired high rotating speed up to per minute 120000 commentaries on classics.
According to another embodiment regulation, on machine tool chief axis, constitute one have in a circumferential direction around the spindle collar that holds body, for main shaft is discharged in clamp and when unclamping at least two embed wherein at diametrically opposite bearing pin, they constitute on the axially movable casing wall of actuation unit, wherein for casing wall for bearing pin clamp and unclamp after the centre position set up two two adjust work on the directions, be bearing in the spring on the shell.
Also can select or additionally have a following possibility, for casing wall set up a funnel-shaped surface for the centre position of bearing pin after clamping and unclamping and shell set up one fixed in body, wherein should be fixed in simple embodiment in body by spring-loading spheroid formation.
But described fixed middle body is constituted by the taper pin that pressure medium loads.
Another feature with embodiment of two pistons that are attached to manipulation device is, first piston corresponding to clamping process and when clamping loaded collar, and being provided with one in actuation unit can unclamp piston with first piston is independently adjusted, and it is loaded collar when unclamping.
Describe the present invention in detail by means of accompanying drawing embodiment below.In the accompanying drawing:
Fig. 1 illustrates the longitdinal cross-section diagram of the clamping device that will control by actuation unit,
Fig. 2 illustrates the signal longitdinal cross-section diagram of first embodiment of actuation unit,
Fig. 3 illustrates the view corresponding to second embodiment of the actuation unit of Fig. 2,
Fig. 4 illustrates the view corresponding to another embodiment of the actuation unit of Fig. 2,
Fig. 5 illustrates the view with main shaft unloading corresponding to Fig. 3,
Fig. 6 illustrates the view corresponding to another embodiment with main shaft unloading of Fig. 5,
Fig. 7 illustrates another embodiment of the actuation unit with two pistons again.
A clamping device shown in the drawings, it is used to clamp workpiece 2 or the cutter with hollow stem awl 1, this clamping device has the tension bolt 4 that can axially adjust supporting in matrix 3 for this reason, it is used for handling and claw 5 coefficient clamping heads 6, that is, axially adjust tension bolt 4 by the released position shown in the Lower Half in Fig. 1 and between the clamped position shown in Fig. 1 first half.For clamping work pieces 2 by shown in Fig. 2 to 4, below the actuation unit 20 that also will describe in detail make tension bolt 4 be tightened to clamped position from the released position, its middle ground is used to lean at hollow stem awl 1 by traction tongs (Schleppzange) 7 and screw rod 8 and the threaded collar 9 axial pawl heads 10 of adjusting clamping head 6 and radially adjusting claw 5 thus.
For it should be noted that at the clamping device shown in Fig. 1, a gripping sleeve 11 axially immovably is set in matrix 3, axially guide traction tongs 7 thereon, it leans on tension bolt 4 by its inner surface, wherein strain bolt 4 and have conehead 12, traction tongs 7 has wedge ring 13 and gripping sleeve 11 has inner cone 14, consequently make tension bolt 4 when clamped position is adjusted in the released position, produce self-locking, it determines the axial location of traction tongs 7, and need not to continue to apply pulling force to tension bolt 4 by manipulation device.Therefore the active force that is imported by tension bolt 4 by actuation unit 20 keeps and guarantees that workpiece 2 bores reliable grip on 1 at its hollow stem by self-locking is pseudo-, need not to utilize the active force of fastening spring, this fastening spring should guarantee the axial location of tension bolt 4 by it at clamped position with respect to the elastic force of matrix 3 or gripping sleeve 11 for this reason.Therefore can not influence the reliability that clamps owing to the fatigue of fastening spring.Tension bolt 4 and whole main shaft or matrix 3 rotations by using self-locking to make to can't help fastening spring to load in addition need not to be in its actuation unit 20 and is connected, and improves balance mass thus and can improve rotating speed.
Also find out by accompanying drawing, conehead 12 is by radially step 15 is towards 4 contractions of tension bolt, and described traction tongs 7 has the interior axle collar 16 and a traction tongs 7 that is used to lean on step 15 can break away from step 15 by the axle collar in it 16 at the axial position of the inner cone 14 of gripping sleeve 11.Conehead 12 has 6 ° cone angle described in the embodiment in the accompanying drawings, and the inner cone 14 of gripping sleeve 11 has 12 ° cone angle.The inner peripheral surface of described wedge ring 13 and the gradient of outer circumference surface are corresponding to the gradient of the structure member of corresponding adjacency.
The operation principle of this device of brief description.From pulling force is applied on the tension bolt 4, tension bolt 4 is adjusted in the accompanying drawings left by this power.Tension bolt 4 leans by the interior axle collar 16 that makes traction tongs 7 on the step of tension bolt 4 and at first drives traction tongs 7 when adjusting, it is guided with respect to gripping sleeve in two slotted holes for fear of imbalance, and coordinate clamping head 6 by screw rod 8 and threaded collar 9, the effect of this clamping head is that claw 5 is leaned against on the side recess 18 of hollow stem awl 1 by its claw head 10 deflection radially outward and realization.Also realize the rapid axial adjustment of clamping head 6 by the step 15 and the acting in conjunction of the interior axle collar 16, can break away from step 15 and the inner peripheral surface by wedge ring 13 leans on conehead 12 simultaneously by wedge ring 13 roof pressures of outer circumference surface with respect to gripping sleeve 11 and the given axial stroke of the axle collar 6 is later during reaching traction tongs 7.When axially adjusting tension bolt 4 unceasingly, make 7 tractions together slightly in the axial direction of traction tongs thus, but to this by the active force that increases between conehead 12 and gripping sleeve 11 wedging always to self-locking, if when the pulling force of actuation unit 20 separated with tension bolt 4, self-locking also provided the clamping force that is realized.
If will remove clamping now, make tension bolt 4 adjust to the released position from left to right from clamped position, remove wedging and the tension bolt 4 of traction tongs 7 between conehead 12 and gripping sleeve 11 thus and also adjust, lean on threaded collar 9 by its stop surface 19 and the step 15 of the tight bolt 4 of the anti-again OK a karaoke club of the axle collar 16 in making up to this tension bolt with respect to traction tongs 7.The effect of mobile clamping head 6 is played in the continuation adjustment of this tension bolt 4, makes claw 5 discharge workpiece 2 by its claw head 10 thus.
Also can select by realizing the clamping of clamping device by the actuation unit shown in Fig. 2 to 4 20 and unclamp that the consistent features of this actuation unit is, at the power transfer chain of clamped position interruption from actuation unit 20 to tension bolt 4 of tension bolt 4.In the embodiment of Fig. 2 and 3, realize this point thus, actuation unit 20 is contactlessly located with respect to this tension bolt at the clamped position of tension bolt 4, wherein under the embodiment of Fig. 2 situation, set up first coil windings 21 for tension bolt 4, it be used for be attached to machine tool chief axis 3, with second coil windings, 22 actings in conjunction of first coil windings, 21 coaxial settings, this second coil windings and the stator that is attached to static manipulation shell 20 contactlessly coupling join.This actuation unit 20 contactlessly acts in the whole service situation on the tension bolt 4, that is, and not only when clamping and unclamping but also at the work run duration of clamping device, if this clamping device and machine tool chief axis 3 are to rotate at a high speed.
Fig. 3 illustrates an embodiment, wherein strain bolt 4 and have an axle collar 26, it is arranged on piston chamber 27 the insides of first piston 28, this first piston is arranged on 29 the insides, cylinder chamber of the actuation unit that loads by pressure medium, wherein first piston 28 in cylinder chamber 29 from middle position the adjustment stroke on the both direction greater than the axle collar 26 piston chamber 27 at two adjustment strokes of adjusting on the directions, except adjusting first piston 28, also can force the continuation adjustment that is used to handle clamping head 6 thus for the axle collar 26 is leaned on the axial end of piston chamber and the back side.But in order to remove again and the contacting of piston chamber's 27 end faces and the back side for the axle collar 26 with given security, if tension bolt 4 is realizing that self-locking has occupied its operating position later on, second piston 31 is set in the second cylinder chamber 30 in actuation unit 20, it loads first piston 28 at the clamped position of tension bolt 4, wherein second piston 31 has than the bigger effective diameter of first piston 28 and the side that deviates from mutually that makes the first piston 28 and second piston 31 by three position directional valve 32 at the clamped position of tension bolt 4 with identical pressure-loaded, bigger active surface by second piston 31 guarantees that it leans on the first piston 28 and guarantee that second piston 31 leans on the end face of the second cylinder chamber 30 thus, and this cylinder chamber has influence on the centre position of the axle collar 26.Also actuation unit 20 is set up a ring sensor 33 in order to monitor stroke in this embodiment, be used for and be attached to tracer 34 actings in conjunction of straining bolt.
Another embodiment shown in Figure 4, wherein actuation unit 20 has a swivel coupling 35, it has the distributor axis 36 and the torsion proof that are connected with machine tool chief axis 3, be loaded with the distributor shell 38 of pressure medium connector 37, wherein pressure medium connector 37 is used to load and is arranged on chamber 39 the insides, both sides with the piston 40 of straining bolt 4 couplings connection, wherein contact with actuation unit 20 at the tension of running status not bolt 4 in this embodiment, but when moving, clamping device work has desired interruption power transfer chain, because pressure medium connector 37 no pressure ground are connected.
In all embodiment of Fig. 2 to 7 actuation unit 20 is also set up an input part 25 on its axial end portion, air or cooling agent that it can be used in tension bolt 4 lead to the clamping device the inside.
Fig. 5 illustrates an embodiment, wherein on machine tool chief axis 3, constitute one have in a circumferential direction around the spindle collar that holds body 42 41, in holding body in order main shaft to be discharged in clamp and to embed at least two at diametrically opposite bearing pin 43 when unclamping, they constitute on the axially movable casing wall 44 of actuation unit 20, wherein to casing wall 44 for bearing pin 43 clamp and unclamp after the centre position set up two two adjust work on the directions, be bearing in the spring 45 on the shell; And Fig. 6 illustrates the selection scheme that can be used for supporting, wherein set up a funnel-shaped surface 46 for the centre position of bearing pin 43 after clamping and unclamping for casing wall 44 and shell set up one fixed in body 47, it or by spring-loading spheroid 48 (Fig. 5) but taper pin 49 formations that constitute or load by pressure medium.
Last Fig. 7 illustrates an example, although wherein actuation unit 20 is set up two pistons, but they are not to work independently, promptly by first piston 28 corresponding clamping process and to the axle collar 26 when clamping, load and in actuation unit 20, be provided with first piston 28 independent adjust unclamp piston 50, it is loaded collar 26 when unclamping.
Claims (18)
1. be used to make the method for actuation unit (20) operation, this actuation unit is used for by clamping at the axial adjustable tension bolt of machine tool chief axis (3) and unclamping clamping device to be used for manipulation and the coefficient clamping head of claw (5) (6), wherein at first in order on axial clamping direction, to clamp active force is applied on the tension bolt (4) by actuation unit (20), fixing with respect to machine tool chief axis (3) up to its axial location by self-locking, wherein after realizing self-locking, terminate in the power effect that acts on the clamping direction of actuation unit (20) on the tension bolt (4) and keep suppressing, and tension bolt (4) is adjusted by actuation unit (20) in unclamp on the direction opposite with clamping direction in order to unclamp to clamp at the work run duration of clamping device.
2. the method for claim 1 is characterized in that, is realizing during starts reducing active force at machine tool chief axis (3) after the self-locking when clamping.
3. method as claimed in claim 1 or 2 is characterized in that, is unclamping on the direction to import active force when unclamping after the inactive state that realizes machine tool chief axis (3).
4. be used for carrying out device as claim 1 to 3 method as described in each, it is characterized in that, clamping device is furnished with the tension bolt (4) that axially supports adjustably and is used for handling and the coefficient clamping head of claw (5) (6) in machine tool chief axis (3), wherein guarantee the axial location of tension bolt (4) in clamped position by self-locking, and be provided with actuation unit (20), it is joining with the decoupling of tension bolt aspect the power transmission connection in the clamped position of tension bolt (4).
5. device as claimed in claim 4 is characterized in that, described actuation unit (20) is contactlessly located with respect to this tension bolt in the clamped position of tension bolt (4).
6. device as claimed in claim 5, it is characterized in that, for tension bolt (4) sets first coil windings (21), it be provided for and set to machine tool chief axis (3), with second coil windings (22) acting in conjunction of the coaxial setting of first coil windings (21), this second coil windings and the stator (24) that is attached to static manipulation shell (23) be the coupling connection contactlessly.
7. device as claimed in claim 6, it is characterized in that, described tension bolt (4) has the axle collar (26), and it is arranged on piston chamber (27) the inside of first piston (28), and this piston is arranged on the inside, cylinder chamber (29) that can load by pressure medium of actuation unit (20).
8. device as claimed in claim 7 is characterized in that, first piston (28) in cylinder chamber (29) from middle position the adjustment stroke on the both direction greater than the axle collar (26) piston chamber (27) at two adjustment strokes of adjusting on the directions.
9. as claim 7 or 8 described devices, it is characterized in that in the inside, the second cylinder chamber (30) second piston (31) is set in actuation unit (20), it loads first piston (28) in the clamped position of tension bolt (4).
10. device as claimed in claim 9, it is characterized in that, second piston (31) have than the bigger effective diameter of first piston (28) and the side that deviates from mutually that makes first piston (28) and second piston (31) by three position directional valve (32) on the clamped position of tension bolt (4) with identical pressure-loaded.
11., it is characterized in that as each described device in the claim 7 to 10, in order to monitor stroke actuation unit (20) is set up ring sensor (33), be used for and tracer (34) acting in conjunction that is attached to tension bolt (4).
12. device as claimed in claim 4, it is characterized in that, described actuation unit (20) has swivel coupling (35), it has distributor axis (36) and the torsion proof that is connected with machine tool chief axis (3), the distributor shell (38) that is loaded with pressure medium connector (37), wherein pressure medium connector (37) be used for loading be arranged on piston chamber (39) the inside, with the both sides of the piston (40) of tension bolt (4) coupling connection.
13. as each described device in the claim 7 to 12, it is characterized in that, go up formation at machine tool chief axis (3) and have the spindle collar that holds body (42) (41) that extends in a circumferential direction, for main shaft is discharged in clamp and when unclamping at least two embed at diametrically opposite bearing pin (43) and to hold in the body, bearing pin is gone up at the axially movable casing wall (44) of actuation unit (20) and is constituted.
14. device as claimed in claim 13 is characterized in that, for casing wall (44) for bearing pin (43) clamp and unclamp after the centre position set up two two adjust work on the directions, be bearing in the spring (45) on the shell.
15. as claim 13 or 14 described devices, it is characterized in that, for casing wall (44) for the centre position of bearing pin (43) after clamping and unclamping set up funnel-shaped surface (46) and set up surely shell in body (47).
16. device as claimed in claim 15 is characterized in that, described fixed middle body (47) constitutes by spring-loading spheroid (48).
17. device as claimed in claim 15 is characterized in that, described fixed in body (47) but constitute by the taper pin (49) that pressure medium loads.
18. as claim 7 or 8 described devices, it is characterized in that, first piston (28) corresponding to clamping process and when clamping loaded collar (26), and in actuation unit (20) setting can with first piston (28) independent adjust unclamp piston (50), it is loaded collar (26) when unclamping.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102005043722.2 | 2005-09-13 | ||
| DE102005043722 | 2005-09-13 | ||
| DE102005048800.5 | 2005-10-10 | ||
| DE102005048800A DE102005048800A1 (en) | 2005-09-13 | 2005-10-10 | Method for operating an actuating unit and device for carrying out the method |
| PCT/DE2006/001017 WO2007031046A2 (en) | 2005-09-13 | 2006-06-14 | Method for operating an actuation unit and device for carrying out said method |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101495696A Division CN101817095B (en) | 2005-09-13 | 2006-06-14 | Method for operating an actuation unit and device for carrying out said method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101262971A true CN101262971A (en) | 2008-09-10 |
| CN101262971B CN101262971B (en) | 2013-08-21 |
Family
ID=39962929
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200680033694.2A Expired - Fee Related CN101262971B (en) | 2005-09-13 | 2006-06-14 | Method for operating an actuation unit and device for carrying the same |
| CN2006800336764A Expired - Fee Related CN101262970B (en) | 2005-09-13 | 2006-06-14 | Device for clamping a workpiece or tool comprising a hollow shaft cone |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006800336764A Expired - Fee Related CN101262970B (en) | 2005-09-13 | 2006-06-14 | Device for clamping a workpiece or tool comprising a hollow shaft cone |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN101262971B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103228384A (en) * | 2010-11-30 | 2013-07-31 | 西铁城控股株式会社 | Device for fixing workpiece in machine tool, and machine tool comprising fixing device |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009044105A1 (en) * | 2009-09-25 | 2011-03-31 | Röhm Gmbh | Clamping device with stationary release unit |
| CN102513843B (en) * | 2011-12-16 | 2014-03-12 | 江苏恒力组合机床有限公司 | Automatic tensioning mechanism for accessory head of square ram with small cross section |
| CN102962761A (en) * | 2012-12-10 | 2013-03-13 | 大连创达技术交易市场有限公司 | Clamp for lapping hollow steel ball |
| CN104836946B (en) * | 2015-04-21 | 2019-05-03 | 昆山先捷精密电子有限公司 | Mobile phone camera frame and its manufacturing method |
| EP3655187B1 (en) * | 2017-05-26 | 2023-02-22 | Ralf Dupont | Clamping device and method for clamping a part |
| CN111752333B (en) * | 2020-07-17 | 2024-05-28 | 上海交通大学 | Multifunctional micro-motion macro-control assembly and device |
| CN113021041A (en) * | 2021-03-22 | 2021-06-25 | 宁波天控五轴数控技术有限公司 | Quick tool changing structure of main shaft |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1075565A (en) * | 1953-03-09 | 1954-10-18 | Prec Ind | Hydraulic actuator for machine tool part carriers |
| US3568566A (en) * | 1968-08-12 | 1971-03-09 | Carlton Machine Tool Co | Tool spindle mechanism |
| JPS60114434A (en) * | 1983-11-21 | 1985-06-20 | Mitsui Seiki Kogyo Kk | High frequency motor assembled with tool pull-up system |
| DE19618610A1 (en) * | 1995-05-13 | 1996-11-14 | Gerhard Dr Ing Huber | Tool spindle for use with machine tool, esp. tool changer |
| CN1057037C (en) * | 1995-07-14 | 2000-10-04 | 清华大学 | High frequency response, large stroke and high precision microstep feeder |
| CN2584349Y (en) * | 2002-11-21 | 2003-11-05 | 洛阳轴研科技股份有限公司 | Electromagnetic coreless holder for high-precision rolling bearing grinding |
| CN2628211Y (en) * | 2003-03-27 | 2004-07-28 | 洛阳轴研科技股份有限公司 | Electric device for removal of main axle loose broach bearing for large processing center and digital control milling |
-
2006
- 2006-06-14 CN CN200680033694.2A patent/CN101262971B/en not_active Expired - Fee Related
- 2006-06-14 CN CN2006800336764A patent/CN101262970B/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103228384A (en) * | 2010-11-30 | 2013-07-31 | 西铁城控股株式会社 | Device for fixing workpiece in machine tool, and machine tool comprising fixing device |
| CN103228384B (en) * | 2010-11-30 | 2015-03-11 | 西铁城控股株式会社 | Device for fixing workpiece in machine tool, and machine tool comprising fixing device |
| US9296047B2 (en) | 2010-11-30 | 2016-03-29 | Citizen Holdings Co., Ltd. | Fixing device for workpiece in machine tool and machine tool having the fixing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101262970A (en) | 2008-09-10 |
| CN101262970B (en) | 2012-03-14 |
| CN101262971B (en) | 2013-08-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101817095B (en) | Method for operating an actuation unit and device for carrying out said method | |
| CN101262971B (en) | Method for operating an actuation unit and device for carrying the same | |
| US5681208A (en) | Method and apparatus for grinding a crankshaft | |
| CN101344450B (en) | Method and device for centering and clamping a workpiece in a balancing machine | |
| JP2001509090A (en) | Hydraulic mechanical chuck | |
| TWI382889B (en) | A device for clamping a workpiece with a hollow shaft | |
| CN104718038B (en) | Balance adapter or measurement adapter | |
| US20050161889A1 (en) | Chuck | |
| US4704056A (en) | Tool-clamping device | |
| JP5005007B2 (en) | Bar gripping device | |
| JP3934222B2 (en) | Tool lock device for machine tools | |
| CN206869479U (en) | Outer clamp device of dish spare | |
| US5230265A (en) | Method for machine-cut working of workpieces with rotationally symmetrical surfaces, particularly of crankshafts and apparatus for carrying-out such a method | |
| JP2001025932A (en) | Tool holder clamping mechanism | |
| CN211220470U (en) | Device for quickly locking hoop | |
| CN101347885A (en) | Central pneumatic power positioner | |
| CN201211622Y (en) | Clamper for lathe | |
| JP4156976B2 (en) | Connecting device for tire molding drum | |
| KR101453567B1 (en) | Boring Spindle Head Connecting Unit of Machine Tool | |
| US20140064841A1 (en) | Rotary connector for a rotating shank or axle | |
| WO2018158920A1 (en) | Tool holder tool-fastening method and tool holder | |
| JP2000179563A5 (en) | ||
| CN102248192B (en) | Collet | |
| CN111060248A (en) | Nut pretightning force and moment of torsion test equipment | |
| JPS62255038A (en) | Spindle tool clamping device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 | ||
| 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: 20130821 Termination date: 20170614 |