CN1299868C - Work holding device - Google Patents
Work holding device Download PDFInfo
- Publication number
- CN1299868C CN1299868C CNB2004100327560A CN200410032756A CN1299868C CN 1299868 C CN1299868 C CN 1299868C CN B2004100327560 A CNB2004100327560 A CN B2004100327560A CN 200410032756 A CN200410032756 A CN 200410032756A CN 1299868 C CN1299868 C CN 1299868C
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- CN
- China
- Prior art keywords
- workpiece
- collet
- draw bar
- connecting axle
- flange
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- Expired - Fee Related
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Abstract
Provided is a work holding device facilitating adjusting a holding portion of the work, and improving productivity. The work holding device 20 is equipped to a main shaft 21 of a lathe, and has a collet member 2 attached/detached to/from the work 23. A collet portion 2b of the collect member 2 is opened/closed by axial movement of an operation cylinder 3 and an outer cylinder 4. The operation cylinder 3 and the outer cylinder 4 are driven to move backward/forward between the work holding position and a work releasing position through a uniting shaft 6 and an adjusting flange 10 according to backward/forward movement of a draw bar 22. The work holding position of the outer cylinder 4 must be adjusted according to changes in a lot and shape of the work 23. In the work holding device 20, the work holding position can be adjusted by adjusting a screwing position of the adjusting flange 10 to the uniting shaft 6, and an adjustment is not needed every time the work holding device is attached/detached to a machine tool such as the lathe.
Description
Technical field
The present invention relates to be used on the revolution lathe, to install, the structure of the work holder of holding workpiece (workpiece).
Background technology
In revolution lathes such as in the past lathe and milling machine, when being clamped to the workpiece of cylindric workpiece such as spindle unit, cylinder part on the main shaft, adopt the work holder that uses the collet parts usually.
Figure 15 is the longitudinal sectional drawing of the described work holder in the past of expression one example.This work holder 100 in the past has: be fixed on that main shaft (spindle) is gone up and its end has the rotary flange 101 of the 101a of collet portion; With rotary flange 101 revolution and the connecting axle 103 that can relatively move in the axial direction; Link into an integrated entity and coating periphery and the chimeric slidably seating nipple that is installed on it 102 of the 101a of collet portion by connecting pin 104 and connecting axle 103.
Connecting axle 103 usefulness threaded portion 103a are connected on the draw bar 105, and draw bar 105 is bearing in the inside of the main shaft bearing portion 111 of revolution lathe side free to advance or retreatly.
The 101a of collet portion have in a circumferential direction cut apart, with the end tapered portion of the end sliding gomphosis of seating nipple 102.Make connecting axle 103 axially-directions X (left) or+directions X (right-hand) go up to move the distance of regulation, by seating nipple 102, inside all side constrictions in the end of the 101a of collet portion or broaden can be loaded and unloaded workpiece 112.
Hollow leading screw 106 is driven by advance and retreat on directions X during loading and unloading workpiece 112 at the piston portion that main shaft bearing portion 111 is connected internally to working cylinder.Described piston portion retreats on-directions X, when hollow leading screw 106 contacts with block, hollow leading screw 106 and draw bar 105 move to distracted position, draw bar 105 is when distracted position, by connecting axle 103 and be entrenched in connecting pin 104 in the hole that is provided with perpendicular to the axle center of this connecting thread axle 103, the seating nipple 102 relative 101a of collet portion do quantitatively and retreat, and workpiece 112 is fastened.
In addition, hollow leading screw 106 and draw bar 105 be driven to+when directions X advances, and replys the position and adjust nut 107 and contact with the end of main shaft bearing portion 111, and draw bar 105 moves to the answer position of+directions X.When draw bar 105 moved to described answer position, seating nipple 102 stopped radial compression to the 101a of collet portion by connecting axle 103, and workpiece 112 discharges from the 101a of collet portion.
The answer position of the draw bar 105 when discharging workpiece 112 can be replied the position and adjusts hollow relatively leading screw 106 revolutions of nut 107 by making, and carry out the position adjustment, in case and after the position adjusts, just needn't adjust especially more later on.The adjustment of the distracted position of the draw bar 105 during fastening workpiece 112, thus adjust the relative position of draw bars 105 and hollow leading screw 106 and carry out by making distracted position adjust hollow relatively leading screw 106 revolutions of nut 108.In order to obtain the suitable fastening force of corresponding workpiece 112, be necessary to carry out the position adjustment of this distracted position.
Above-mentioned work holder in the past as shown in figure 15 when changing the batch of different workpiece 112, is all wanted conversion workpiece clamping device (chuck assembly, work piece holder) at every turn, all will adjust the position that nut 108 is adjusted in the position at least at every turn.
Promptly, when processing is called the part (workpiece A) of A, the work piece holder A of corresponding workpiece A to be installed on the lathe, carry out described adjustment operation, when processing the part that be called B (workpiece B) different with workpiece A, the work piece holder B of corresponding workpiece B to be installed on the lathe, carry out described adjustment operation.In a word, the batch of the part that will process of each change all will carry out described adjustment operation.In addition, it is a lot of that this adjusts the skilled place of action need, needs a lot of man-hours.In addition, carry out personnel's difference of this adjustment operation, deviation also can take place in the accessory size that processes, and stay-in-grade part can not be provided.
Summary of the invention
The present invention is the device that works out for addressing the above problem, and is purpose with the work holder that the raising that can realize production efficiency in the work holder is provided.
Described according to a first aspect of the invention work holder, being used for clamping can load and unload at the workpiece that has on the lathe of draw bar, it is characterized in that having: the rotary flange that can mount and dismount with relative coaxially this main shaft of gyroaxis of the main shaft of described lathe; Thereby be fixed on the described rotary flange and have by the advance and retreat of draw bar the collet that upwards moves the clamping part that can load and unload described workpiece in the footpath of gyroaxis; The connecting axle that is threaded and can on described gyroaxis direction, moves with described draw bar with described draw bar; It is characterized in that also having: with the mobile interlock of described draw bar and make described collet carry out the collet opening and closing device of on-off action; Can adjust the adjusting device of described connecting axle and the relative position of described collet opening and closing device on described gyroaxis direction by screw thread; The acting device that described collet is carried out the application of force and is arranged between described rotary flange and the described adjusting device and it contacted to the described collet opening and closing device application of force always with described adjusting device to the direction that makes its unlatching.By the collet opening and closing device described collet is opened and closed, load and unload described workpiece.
Described according to a second aspect of the invention work holder, in work holder according to claim 1, fixedly the realizing of described adjustment flange and described connecting axle by screwed part.
Description of drawings
Fig. 1 is the longitudinal sectional drawing of workpiece clamping device for the work holder of the 1st embodiment of the present invention.
Fig. 2 is the view of the workpiece clamping device of Fig. 1 from the workpiece side.
Fig. 3 is the view of the workpiece clamping device of Fig. 1 from the main shaft side.
Fig. 4 is the exploded perspective view of the workpiece clamping device of Fig. 1.
Fig. 5 is the profile of rotary flange of the workpiece clamping device of pie graph 1.
Fig. 6 is the profile of collet of the workpiece clamping device of pie graph 1.
Fig. 7 is the profile of seating nipple of the workpiece clamping device of pie graph 1.
Fig. 8 is the profile of urceolus of the workpiece clamping device of pie graph 1.
Fig. 9 is the profile of adapter ring of the workpiece clamping device of pie graph 1.
Figure 10 is the profile of connecting axle of the workpiece clamping device of pie graph 1.
Figure 11 is the profile of adjustment flange of the workpiece clamping device of pie graph 1.
Figure 12 is the profile of flexible loop of the workpiece clamping device of pie graph 1.
Figure 13 is the profile of pressure ring of the workpiece clamping device of pie graph 1.
Figure 14 is the profile of thrust location ring of the workpiece clamping device of pie graph 1.
Figure 15 is the longitudinal sectional drawing of expression one example work holder in the past.
Symbol description:
1. rotary flange
2. collet parts (collet)
2b. collet portion (collet)
3. seating nipple (collet opening and closing device)
6. connecting axle (adjusting device)
10. adjust flange (adjusting device)
11. effect spring (acting device)
14. limit screw
20. workpiece clamping device (work holder)
21. main shaft (main shaft of lathe)
22. draw bar
23. workpiece (workpiece)
The specific embodiment
Below, with reference to accompanying drawing embodiments of the invention are described.
Fig. 1 is the longitudinal sectional drawing of workpiece clamping device for the work holder of the 1st embodiment of the present invention.Fig. 2 is the view of the workpiece clamping device of Fig. 1 from the workpiece side.Fig. 3 is the view of the workpiece clamping device of Fig. 1 from the main shaft side.Fig. 4 is the exploded perspective view of the workpiece clamping device of Fig. 1.Fig. 5～Figure 14 is the profile of each component parts of the workpiece clamping device of pie graph 1.Fig. 5 is the profile of rotary flange.Fig. 6 is the profile of collet parts.Fig. 7 is the profile of seating nipple.Fig. 8 is the profile of urceolus.Fig. 9 is the profile of adapter ring.Figure 10 is the profile of connecting axle.Figure 11 is for adjusting the profile of flange.Figure 12 is the profile of flexible loop.Figure 13 is the profile of pressure ring.Figure 14 is the profile of locating ring.
And, in the following description, as shown in Figure 1, with the direction of the main shaft side of workpiece clamping device as the rear (X), with the direction of the installation side of workpiece as the place ahead (+X).
The workpiece clamping device of present embodiment (chuck chuck, chuck chuck device, work piece holder) 20 for example is to be used for clamping or release to be contained in and to be the device as the workpiece 23 of workpiece on the main shaft 21 of lathe spindle.
As shown in Figure 1 and Figure 2, workpiece clamping device 20 has following parts: rotary flange 1 is connected with the main shaft 21 of lathe side, and is driven revolution integratedly by it; Collet parts 2 are fixed on the rotary flange 1; Connecting axle 6 is and the advanced and retreat during workpiece part of the collet opening and closing device that the lathe side-lining bar 22 that drives is threaded of loading and unloading also to be adjusting device simultaneously; Adjust flange 10, screwed on connecting axle 6, available threaded portion 6c adjusts and the relative position of connecting axle 6 on the main shaft gyration direction of principal axis of lathe; Seating nipple 3 is the parts that make the collet opening and closing device that aftermentioned collet portion opens and closes diametrically: adapter ring 5 is fixed on the seating nipple 3, and contacts with adjustment flange 10 as the part of adjusting device; Urceolus 4 also is a part that screws the collet opening and closing device that is fixed on seating nipple 3 the place aheads; Flexible loop 8 is inserted in the interior perimembranous of urceolus 4, is used for press nip workpiece 23; Pressure ring 7 is used for flexible loop 8 is limited in the urceolus; Thrust location ring 9, quilt is screwed to be fixed in the collet parts 2, the position of the thrust direction of decision workpiece 23; Effect spring 11 is that being used for by 5 pairs of seating nipples 3 of adapter ring is the acting device that the application of force is carried out in the place ahead to the collet release direction, is that the coiled type spring of rectangle forms by section; O shape circle 18 is placed in the groove that is arranged on collet parts 2 inner peripheral surfaces, with the periphery sliding-contact of adapter ring 5, is used to prevent that smear metal, dust from entering into device inside; And fastening bolt, limit screw etc.
Though this rotary flange 1 is connected with main shaft 21, but its connection status is, the chimeric arc surface 1a of main shaft is embedded in the chimeric inner peripheral surface of lathe spindle, because the active force arc surface 1a fluid-tight engagement of leaf spring 24 is on this main shaft inner peripheral surface, so but the main shaft 21 and the rotary flange 1 automatic centering heart of lathe side.Under this chimerism, the bolt 16 that passes bolt through hole 1f is closed at the main shaft sidespin, rotary flange 1 is fixed on the main shaft 21.
Collet parts 2 are parts of toroidal, stitchs 2d and are divided into 8 parts and extension forward on the circumferencial direction, but have that its end radius vector makes progress strain and the 2b of collet portion that displacement takes place.In addition, rear end face is provided with the 4 recess 2a of place, and the 4 place screwed hole 2fs parallel with above-mentioned gyroaxis are arranged between recess 2a, and perimembranous has the thrust location ring to screw threaded portion 2g in annulus.Be formed with tapering 2c on the end outer peripheral face of the 2b of collet portion, be formed with on the inner circumferential surface and be used for clamping and for example be the groove 2e of the circumferencial direction with fine pitch (pitch) of cylinder-like part workpiece 23.
The recess 2a of these collet parts 2 is cooperated with the lug boss 3b of aftermentioned seating nipple 3, and can be fitted at these collet parts 2 under the state between the periphery 5b of interior all 3a of seating nipple 3 and adapter ring 5 with being free to slide, making in the rear portion embeds among the circumference platform 1g of portion of rotary flange 1 in week, and the bolt 12 that will pass bolt through hole 1e screws screwed hole 2f, and these collet parts 2 just have been fixed on the rotary flange 1.
Thrust location ring 9 is a circle shape part, and the front end face of one end is and the contact-making surface 9b of workpiece 23 that the rear end periphery of the other end is provided with threaded portion 9c.Threaded portion 9c is screwed the threaded portion 2g of collet parts 2, this thrust location ring 9 is fastened on the collet parts 2.
Seating nipple 3 is a circle ring part, has: side-prominent 4 lug boss 3b of week to the back-end, be positioned at the bolt hole 3c that be arranged in parallel with above-mentioned gyroaxis on this lug boss, and be arranged on urceolus on the peripheral part of the place ahead and screw and use threaded portion 3d.
And, the inside that adapter ring 5 is installed to seating nipple 3 from the place ahead, with the front state of contact of lug boss 3b under, the bolt 13 that passes the bolt through hole of lug boss 3b is tightened onto among the screwed hole 5e of adapter ring 5, adapter ring 5 is fastened on the seating nipple 3.
Fixing the seating nipple 3 of adapter ring 5, will act on spring 11 pack into the effect spring lay under the state of space 1d, be installed on the rotary flange 1 from the front.Under this state, be inserted with seam chuck parts 2 from the place ahead, be fixed on the rotary flange 1 by bolt 12.Under the installment state of this seating nipple 3, effect spring 11 is packed into the state that compresses between the spring contact-making surface 5c of the spring contact-making surface 1c of rotary flange 1 and adapter ring 5, thus seating nipple 3 be subjected to always from rotary flange 1, the active force of (+directions X) forwards.
Flexible loop 8 is the thin-walled endless member of elastically deformable, all conical surface 8a in having.
Pressure ring 7 is for being formed with the endless member that threaded portion 7a, rear end face are provided with grooving 7b on its periphery.
Flexible loop 8 flexible loop of the urceolus 4 ends 4a of portion that packs into that packs into, and fix by threaded portion 7a is screwed on the 4b of threaded portion with pressure ring 7 at its rear.In addition, the urceolus 4 of flexible loop 8 and pressure ring 7 is installed, is screwed on the threaded portion 3d of the periphery that is fixed on seating nipple 3.
Flexible loop 8 after the installation, when clamping workpiece not, there is the state of predetermined gap in the flexible loop that is maintained at its periphery and urceolus 4 4a of portion that packs into; When the clamping workpiece, can make the 2b of collet portion of collet parts strain take place by die casting/processing part 23 to interior side radially, strain is carried out in fluctuating according to workpiece 23 outer peripheral faces, can be close at workpiece 23 to be the state clamping workpiece 23 of workpiece original shape.
In adjusting flange 10, interior perimembranous is provided with threaded portion 10d, and circumferencial direction 4 five equilibriums of front lip portion are provided with limit screw threaded portion 10e, and parallel with above-mentioned gyroaxis, in addition, its front lip portion is provided with the ditch shape grooving 10f that is used to adjust with the relative position of connecting axle 6.
In addition, adjust flange 10 by its threaded portion 10d and threaded portion 6c are screwed, be installed on the connecting axle 6, the end of the limit screw 14 that screws in the 10e of threaded portion is contacted with the front end face of connecting axle 6, allow connecting axle 6 with adjusting flange 10 no relative position skews with temporary fixed.
The temporary fixed connecting axle 6 with adjusting flange 10 is installed from the front of rotary flange 1 that collet parts 2, seating nipple 3, adapter ring 5 are housed, is embedded among the inner peripheral surface 1b of rotary flange 1, and can be free to slide.In addition, screw fixing draw bar 22 on the screw thread 6b of the rear end of connecting axle 6.In the installment state of connecting axle 6, the flange surface 10b that adjusts flange 10 and the contact-making surface 5d of adapter ring 5 are permanently connected to because of the application of force of effect spring 11, and seating nipple 3 and urceolus 4 and connecting axle 6 can be supported movably in the axial direction integratedly.
In addition, connecting axle 6 be threaded portion 6a be threaded with the draw bar 22 of the box house that runs through main shaft 21 and with the coaxial state of main shaft 21 under install.
The piston portion interlock of the working cylinder of the main shaft bearing portion inside of draw bar 22 and main shaft 21 is driven by advance and retreat on as axial directions X with connecting axle 6 when loading and unloading workpiece 23, and turns round with main shaft 21.In addition, the advance and retreat position of draw bar 22 is: the regulation shift position the on-directions X is the distracted position that workpiece 23 is held; With the regulation shift position on ten directions Xs be workpiece 23 d/d answer positions.The advance and retreat position of this draw bar 22 is the intrinsic certain positions of lathe.
Thus, connecting axle 6 and seating nipple 3, promptly with the relative position of urceolus 4 on above-mentioned gyroaxis, determine by the screw thread amount of screwing of threaded portion 6c and threaded portion 10d.Promptly, when draw bar 22 is set at the workpiece nip side, rotary flange 1 can change by adjusting by connecting axle 6 with threaded portion 6c and the adjusting device that the adjustment flange 10 with threaded portion 10d constitutes with the relative position of urceolus 4 on above-mentioned gyroaxis, because of adjusting the addendum modification of the end of the 2b of collet portion, so can adjust the strength of clamping workpiece.
Below, with reference to Fig. 1 etc. to workpiece clamping device 20 clampings of present embodiment or discharge the action of workpiece 23 and adjust operation and describe with above formation.
Under the state that workpiece is not installed of workpiece clamping device 20, draw bar 22 is driven to above-mentioned answer position by working cylinder, under the active force of effect spring 11, seating nipple 3 and urceolus 4 with connecting axle 6 to moving relative to the place ahead of collet parts 2 (+directions X).Thereby flexible loop 8 is separated from the tapering 2c of the 2b of collet portion, is in the state that the end workpiece clamping part of the 2b of collet portion broadens.
Next, before workpiece clamping device 20 is installed workpiece 23, draw bar 22 is moved to above-mentioned distracted position, make the end workpiece clamping part of the 2b of collet portion on radial direction, measure for example 0.2mm (constriction amount) constriction in accordance with regulations, measure with gauge on one side, on one side the position of adjusting flange 10 is adjusted, promptly, make and adjust flange 10 relative connecting axle 6 revolutions, adjust the relative position of collet parts 2 and seating nipple 3.Carry out this revolution, available jig for example revolves the grooving 10f that contact such as tool is located on the adjustment flange 10 and turns round.
In addition, above-mentioned constriction amount, because of differences such as the shape of part, material are different values, so, determine this constriction amount to the turning of doing experiment of blank part.And, at the end tighten limit screw 14 in this adjustment operation, the end of this limit screw 14 is contacted with connecting axle 6, lock with adjusting relatively moving of flange 10 to prevent connecting axle 6.
That is, workpiece 23 applicatory is put into the end workpiece clamping part of the 2b of collet portion, drives working cylinder draw bar 22 is moved to above-mentioned distracted position.Be accompanied by this and move, urceolus 4 and seating nipple 3 are done-relatively moving on the directions X with respect to collet parts 2, by flexible loop 8, and the end workpiece clamping part radius vector of the 2b of the collet portion constriction that makes progress.The clamp position of the workpiece 23 of this moment is if the too not enough situation of chucking power occurs, then pass through the peristome (interior all opening 9a of thrust location ring 9) of the collet parts 2 of workpiece clamping device 20 fronts, temporarily loosen limit screw 14 from the front of workpiece clamping device, change the screw thread of adjusting flange 10 and connecting axle 6 and screw the position, adjust the seating nipple 3 of relative collet parts 2 and the relative position of urceolus 4, tighten limit screw 14 again.When the position adjustment by this adjustment flange 10 makes draw bar 22 arrive above-mentioned distracted position, just be adjusted to and use the end workpiece clamping part of the 2b of collet portion with suitable extruding force clamping workpiece 23.This adjusts operation, after once finishing, just needn't carry out the adjustment that processing same blank part is done later on once more.That is to say, unload this workpiece clamping device, also needn't carry out this adjustment when being inserted on the lathe once more from lathe.Thereby the deviation of the part dimension of the workpiece that processes is little, can supply with stable parts.
Under the position of above-mentioned adjustment flange 10 adjustment state, before the batch that changes workpiece size or workpiece during, the loading and unloading that the workpiece clamping device 20 of workpiece 23 is done can be carried out repeatedly by the advance and retreat of draw bar 22.
As mentioned above, the workpiece clamping device 20 by present embodiment can shorten adjusts man-hour, realizes the reduction of workpiece manufacturing expense.
In addition, workpiece clamping device 20 for the foregoing description, illustrated it is installed in to be used for the clamping machined on the lathe with the situation of workpiece, but the essential structure of workpiece clamping device 20 also makes the rotating rotary machine tool of workpiece applicable to machining center etc.
In addition, the work holder 20 of the foregoing description, for having from the workpiece outside the be fixedly clamped device of structure of workpiece 23 peripheries with collet portion, be not limited thereto, make collet portion stretch out the workpiece clamping device of the structure that keeps the workpiece inner peripheral surface laterally to having, the also applicable workpiece clamping device that has used same adjustment flange.
The effect that the present invention reaches is according to above-mentioned the present invention, can provide a kind of clip position of easy adjustment workpiece, the work holder that can enhance productivity.
Claims (2)
1. one kind is used for clamping and can loads and unloads at the work holder with the workpiece on the lathe of draw bar, has:
The rotary flange that can mount and dismount with relative coaxially this main shaft of gyroaxis of the main shaft of lathe;
Thereby be fixed on the described rotary flange and have by the advance and retreat of draw bar on the direction vertical the collet that moves the clamping part that can load and unload described workpiece with gyroaxis;
The connecting axle that is threaded and can on described gyroaxis direction, moves with described draw bar with described draw bar;
It is characterized in that also having:
With the mobile interlock of described draw bar and make described collet carry out the collet opening and closing device of on-off action;
Can adjust the adjusting device of described connecting axle and the relative position of described collet opening and closing device on described gyroaxis direction by screw thread;
The acting device that described collet is carried out the application of force and is arranged between described rotary flange and the described adjusting device and it contacted to the described collet opening and closing device application of force always with described adjusting device to the direction that makes its unlatching.
2. work holder according to claim 1 is characterized in that, fixedly the realizing by screwed part of described adjustment flange and described connecting axle.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP114804/2003 | 2003-04-18 | ||
| JP2003114804A JP4190338B2 (en) | 2003-04-18 | 2003-04-18 | Workpiece holding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1537692A CN1537692A (en) | 2004-10-20 |
| CN1299868C true CN1299868C (en) | 2007-02-14 |
Family
ID=33474265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100327560A Expired - Fee Related CN1299868C (en) | 2003-04-18 | 2004-04-16 | Work holding device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4190338B2 (en) |
| CN (1) | CN1299868C (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4509049B2 (en) * | 2005-06-10 | 2010-07-21 | 日本スピンドル製造株式会社 | Work fixing device |
| JP4892124B2 (en) * | 2006-08-03 | 2012-03-07 | シチズンホールディングス株式会社 | Machine tool chuck opening and closing device |
| US10799992B2 (en) * | 2015-09-01 | 2020-10-13 | Vektek, Inc. | Clamping mechanism for hydraulic work support |
| CN106141233B (en) * | 2016-08-03 | 2018-04-17 | 上海工程技术大学 | A kind of clutch hub turning clamp in automatic gearbox |
| CN107511492B (en) * | 2017-09-12 | 2019-01-01 | 大连理工大学 | A kind of lathe fast roll setting device |
| CN115921929A (en) * | 2022-12-27 | 2023-04-07 | 宝鸡一机智能装备股份有限公司 | Modularization clamping device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0811010A (en) * | 1994-06-28 | 1996-01-16 | Seibu Electric & Mach Co Ltd | Work fitting jig |
| JPH09285904A (en) * | 1996-02-22 | 1997-11-04 | Fuji Seiko Kk | Tool holding device and tool holder |
| CN1233990A (en) * | 1996-10-24 | 1999-11-03 | 动力工具霍德尔斯公司 | Quick release chuck device |
| JP2001087912A (en) * | 1999-09-24 | 2001-04-03 | Tsugami Tool:Kk | Collet chuck and chuck device |
| JP2002254221A (en) * | 2000-12-22 | 2002-09-10 | Roehm Gmbh | Clamping device for fixing power-actuated holder for workpiece and tool to rotating spindle of rotary machine |
-
2003
- 2003-04-18 JP JP2003114804A patent/JP4190338B2/en not_active Expired - Fee Related
-
2004
- 2004-04-16 CN CNB2004100327560A patent/CN1299868C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0811010A (en) * | 1994-06-28 | 1996-01-16 | Seibu Electric & Mach Co Ltd | Work fitting jig |
| JPH09285904A (en) * | 1996-02-22 | 1997-11-04 | Fuji Seiko Kk | Tool holding device and tool holder |
| CN1233990A (en) * | 1996-10-24 | 1999-11-03 | 动力工具霍德尔斯公司 | Quick release chuck device |
| JP2001087912A (en) * | 1999-09-24 | 2001-04-03 | Tsugami Tool:Kk | Collet chuck and chuck device |
| JP2002254221A (en) * | 2000-12-22 | 2002-09-10 | Roehm Gmbh | Clamping device for fixing power-actuated holder for workpiece and tool to rotating spindle of rotary machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1537692A (en) | 2004-10-20 |
| JP4190338B2 (en) | 2008-12-03 |
| JP2004314274A (en) | 2004-11-11 |
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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 | ||
| 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: 20070214 Termination date: 20170416 |