CN1062315A - Workpiece fixture for drilling and threading - Google Patents
Workpiece fixture for drilling and threading Download PDFInfo
- Publication number
- CN1062315A CN1062315A CN 91105957 CN91105957A CN1062315A CN 1062315 A CN1062315 A CN 1062315A CN 91105957 CN91105957 CN 91105957 CN 91105957 A CN91105957 A CN 91105957A CN 1062315 A CN1062315 A CN 1062315A
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- China
- Prior art keywords
- quick change
- positioning core
- core axle
- cover
- change cover
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Abstract
A kind of workpiece fixture for drilling and threading is made up of the annex of positioning core axle 4, quick change cover 5 and clamping cutter.It is conical that the inwall of positioning core axle 4 is, the outer surface of quick change cover 5 or 8 also is conical, on the wall of the same diameter of positioning core axle 4, have 3 to 6 equidistant holes 22, quick change cover 22 places, 5 or 8 corresponding above-mentioned holes drive 3 to 6 holes 23 or a cannelure 26, hole 22 and hole 23 (or groove 26) the inside in each cooperation all are provided with a steel ball 3, outer surface pine cover one movable sleeve 1 at positioning core axle 4 has a cannelure A in the bottom of movable sleeve 1.
Description
The invention belongs to machine tool accessories, is meant a kind of just workpiece fixture for drilling and threading of energy quick change cutting tool that need not stop especially.
Existing drilling machine boring because machine tool chief axis all is a mohs tapered bore, has self-locking performance, and changing cutter must stop, and dismounting is trouble very.In the machine-building, the hole of the overwhelming majority is not that the single track operation can be finished, and often needs repeatedly to change cutter, and labour intensity is big, and production efficiency is low, and machining accuracy is extremely influence also.A kind of multistation modular machine tool is arranged at present, though can finish multiple working procedure processing in a clamping, its adaptive surface is narrow, adjusts complexity, and the expense costliness fails to obtain extensive use.Also have a kind of three tool magazines,, can realize cutter changing, limit by structure, 3 cutters can only be installed, and do not have the tapping function, use still influenced with transposition though the bull characteristics are arranged.
The purpose of the invention is exactly that a kind of process equipment that is configured on the common driller will be provided, and it can not stop under the situation that main shaft rotates at a high speed and changes cutter fast, and can realize the replacing of blind threaded power operated screw tap; Make workpiece behind a clamping, can bore continuously, expand, operations such as hinge, ream, chamfering, tapping, realize multi-station machine tool and the function that is had as the worker center.
The invention is achieved in that
A kind of workpiece fixture for drilling and threading, by positioning core axle, be assemblied in quick change cover and the cutting tool and the blade clamping apparatus composition of positioning core axle inwall, the inwall that it is characterized in that positioning core axle is conical, the outer surface of quick change cover also is conical, the outer surface of quick change cover is installed on the inwall of positioning core axle, on the wall of the same diameter of positioning core axle, open 3 to 6 equidistant holes, quick change overlaps place, corresponding above-mentioned hole and has 3 to 6 holes, a steel ball is all placed in hole and the inside, hole in each cooperation, outer surface pine cover one movable sleeve at positioning core axle, have a cannelure A in the bottom of movable sleeve, so that during dismounting, steel ball is fallen in this groove, and at outer wall pine cover one handling ring of quick change cover, handling ring is by being fixed on back-up ring in the quick change cover and blocking and not gliding;
The purpose of the invention can also realize like this:
A kind of workpiece fixture for drilling and threading, by positioning core axle, be assemblied in quick change cover and the cutting tool and the blade clamping apparatus composition of positioning core axle inwall, the inwall that it is characterized in that positioning core axle is conical, quick change cover shape, the outer surface of quick change cover also is conical, the outer surface of quick change cover is installed on the inwall of positioning core axle, on the wall of the same diameter of positioning core axle, open 3 to 6 equidistant holes, quick change overlaps place, corresponding above-mentioned hole and has a cannelure, 3 to 6 steel balls are housed in hole and cannelure, outer surface pine cover one movable sleeve at positioning core axle, have a cannelure A in the bottom of movable sleeve, so that when dismounting, steel ball is fallen in this groove A, at outer wall pine cover one handling ring of quick change cover, handling ring is by being fixed on back-up ring in the quick change cover and blocking and not gliding.
When changing cutter, as long as movable sleeve upwards one is pushed away, make steel ball break away from the quick change cover and fall among the groove A of movable sleeve, the quick change cover breaks away from because of deadweight and positioning core axle, and cutter unloads thereupon; The inwall of the quick change cover insertion positioning core axle of another cutter will be housed, and it is downward to push away movable sleeve, and steel ball is got back in the mating holes of quick change cover and positioning core axle, quick change overlaps promptly with main axis rotation, begins new cutting.
The invention has the following advantages: because the invention adopts the taper hole of no self-locking to engage, and the cutter easy accessibility, location centering is accurate, generally only needs to finish loading and unloading two, three seconds, and shortened dramatically non-cutting time, and production efficiency significantly improves.
Add man-hour when carrying out screw thread, because the block-pushing chuck is adopted in the invention, move simultaneously as long as just can order about four pushing blocks by the adjusting of a bolt, form the square hole that amplifies arbitrarily or dwindle, in order to clamp the square tail of all size size, clamping is much easy.
The invention is not only brill, is attacked a kind of efficient accessory on the lathe, also can be in boring, mill, use on lathe and other the similar special purpose machine tools.
Below in conjunction with accompanying drawing the invention is described further.
Accompanying drawing 1 is the profile of the invention;
Accompanying drawing 2 is another profiles of the invention;
Accompanying drawing 3 is square hole body cutaway views of accompanying drawing 2.
Referring to accompanying drawing 1, be installed in respectively in the taper hole of machine tool chief axis and quick change cover 5 at positioning core axle 4 and cutter (Fig. 1 does not draw), quick change cover 5 is installed in the inwall of mandrel 4 by steel ball 3, the outer wall of the inwall of mandrel 4 and quick change cover 5 all is to be conical, its tapering is greater than 12 °, mandrel 4 when rotated because steel ball 3 is with in quick change overlaps 5 holes that cooperate 22.23 at mandrel 4, so steel ball 3 is with the rotation of mandrel 4 and move both vertically and send quick change cover 5 to, thereby realize the cutting and the feeding of cutter.At the fixedly embedded movable sleeve 1 of the outer wall of mandrel 4, at the bottom of movable sleeve 1 a cannelure A, when changing cutter, push movable sleeve 1 to top, when steel ball 3 entered groove A, steel ball 3 broke away from quick change cover 5, and the handling ring 6 that is enclosed within on the quick change cover 5 by pine can unload quick change cover 5 and cutter.Handling ring 6 is to install by the back-up ring 7 that is embedded on the quick change cover 5.In the time will loading onto another cutter, the quick change cover 5 that another cutter is housed is inserted mandrel 4, and it is downward to push away movable sleeve 1, enter in the hole 23 of quick change cover 5 to force steel ball 3, clamping is promptly finished.Because movable sleeve 1 and handling ring 6 all are that sky is overlapping, can overlap under the 5 rotation situations at mandrel 4 and quick change, keep inactive state, so shut-down operation not realizes the replacing of various cutters.
Add man-hour when carrying out screw thread, unload quick change cover 5 and load onto quick change cover 8, the place, hole that quick change overlaps 8 corresponding mandrels 4 is a bar cannelure 26, owing to be cannelure, when mandrel 4 rotations, quick change cover 8 does not rotate, but still realizes the feeding of cutter in the axial direction with moving both vertically of mandrel 4.In the centre bore of quick change cover 8, suspend a rotating shaft 9 in midair by nut 29, bell housing 10 cooperates with mandrel 4 in the mode of end key and passes on moment of torsion, cam 11, cam 12 and key 31 are arranged in bell housing 10, bell housing 10 is affixed with cam 11, so drive cam 11 rotations, cam 11 cooperates by the end tooth with cam 12 and drives cam 12, and key 31 is in the keyway of cam 12, so 9 rotations of key 31 driven rotary axles.Below by nut 14 several disk springs 13 are installed at cam 12, adorn one in nut 14 the insides and regulate bolt 33, be used for regulating the rigidity of dish spring 33, because clutch has adopted butterfly spring 13 to make flexible piece, butterfly spring 13 can bear big load with small deformation, and the characteristic that becomes rigidity is arranged, so the clutch configuration compactness, working range is wide, can both process on same chuck from the internal thread of M3～M20.
Cutter holding device in the lower end of axle 9 is to be threaded with axle 9 by flange 28, reinforce by screw 34 again, by screw 36 square hole body 19 and end cap 38 are fixed on the flange 28, referring to accompanying drawing 3, four pushing block 17.18.21.20 are arranged in square hole body 19, drive a wherein pushing block 20 by the bolt 37 that is installed in the square hole body 19, pushing block 20 is to be threaded with bolt 37, when bolt 37 rotations, pushing block 20 moves up and down along bolt 37 directions, thereby rely on the inclined-plane of pushing block and promote other three pushing blocks and make same moved further, form the square hole 40 that amplifies arbitrarily or dwindle, in order to clamp the threading tool of all size size.When screw tap on earth the time, because the moment of resistance greater than torsional moment, forces axle 9 and cam 12 to stop operating, still with mandrel 4 rotations, two cam end tooth engaging piece inclined-planes produce axial thrust load to cam 11, force cam 12 to move down, throw off engagement, produce skidding, screw tap can not damage.Cam 12 relies on butterfly spring 13 effects near cam 11, and the pressure of butterfly spring can be regulated by nut 14, so can adapt to the moment of torsion needs of each screw tap of M3～M20mm.
In order to make hole 23 and cannelure 26 clamp steel ball 3, taper hole or arcuate socket are made in hole 23, cannelure 26 is made annular awl groove.
In order to prevent that quick change cover 5 or 8 from not producing locking phenomenon with positioning core axle 4, the conical wall of its positioning core axle and quick change overlap the cone angle of 5 or 8 conical outer walls all greater than 12 °.
Claims (6)
1, a kind of workpiece fixture for drilling and threading, by positioning core axle 4, being assemblied in the quick change cover 5 of mandrel 4 inwalls and the annex of folder cutter forms, it is characterized in that: the inwall of positioning core axle 4 is conical, the outer surface of quick change cover 5 also is conical, the outer surface of quick change cover 5 is installed on the inwall of positioning core axle 4, on the wall of the same diameter of positioning core axle 4, have 3 to 6 equidistant holes 22, quick change overlaps 22 places, 5 corresponding above-mentioned holes and has 3 to 6 holes 23, hole 22 and 23 the insides, hole in each cooperation all are provided with a steel ball 3, outer surface pine cover one movable sleeve 1 at positioning core axle 4, have a cannelure A in the bottom of movable sleeve 1, so that during dismounting, steel ball 3 is fallen in this groove A, and at outer wall pine cover one handling ring 6 of quick change cover 5, handling ring 6 is by being fixed on back-up ring 7 in the quick change cover 5 and blocking and not gliding;
2, workpiece fixture for drilling and threading according to claim 1 is characterized in that: the cone angle of the conical outer wall of the conical wall of positioning core axle 4 and quick change cover 5 is all greater than 12 °;
3, workpiece fixture for drilling and threading according to claim 1 is characterized in that: hole 22, hole 23 are taper hole or arcuate socket;
4, a kind of workpiece fixture for drilling and threading, by positioning core axle 4 and be assemblied in the quick change cover 8 of mandrel 4 inwalls and the annex of cutter and clamping cutter is formed, it is characterized in that: the inwall of positioning core axle 4 is conical, the outer surface of quick change cover 8 also is conical, the outer surface of quick change cover 8 is installed on the inwall of positioning core axle 4, on the wall of the same diameter of positioning core axle 4, have 3 to 6 equidistant holes 22, quick change overlaps 22 places, 8 corresponding above-mentioned holes and has a cannelure 26, in hole 22 and cannelure 26,3 to 6 steel balls 3 are housed, outer surface pine cover one movable sleeve 1 at positioning core axle 4, have a cannelure A in the bottom of movable sleeve 1, so that during dismounting, steel ball 3 is fallen in this groove A, and at outer wall pine cover one handling ring 6 of quick change cover 5, handling ring 6 is by being fixed on back-up ring 7 in the quick change cover 5 and blocking and not gliding;
5, workpiece fixture for drilling and threading according to claim 4 is characterized in that: the cone angle of the conical outer wall of the conical wall of positioning core axle 4 and quick change cover 8 is all greater than 12 °;
6, workpiece fixture for drilling and threading according to claim 4, it is characterized in that: the annex of clamping cutter is made of bolt 37 and the pushing block 20 that is threaded with bolt 37 and the pushing block 17.18.21 that promoted by pushing block 20, and wherein four pushing block 20.17.18.21 are placed restrictions in square hole body 19;
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91105957 CN1062315A (en) | 1991-09-02 | 1991-09-02 | Workpiece fixture for drilling and threading |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91105957 CN1062315A (en) | 1991-09-02 | 1991-09-02 | Workpiece fixture for drilling and threading |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1062315A true CN1062315A (en) | 1992-07-01 |
Family
ID=4907419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91105957 Pending CN1062315A (en) | 1991-09-02 | 1991-09-02 | Workpiece fixture for drilling and threading |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1062315A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1068540C (en) * | 1995-10-09 | 2001-07-18 | 希尔蒂股份公司 | Cutter holder |
| CN1105613C (en) * | 1998-07-09 | 2003-04-16 | 株式会社家.B.M. | Drilling bit, bit tool and producing method for it |
| CN100563929C (en) * | 2007-10-22 | 2009-12-02 | 杭州机床集团有限公司 | Ferrule type grinding wheel chuck |
| CN101913129A (en) * | 2010-08-10 | 2010-12-15 | 乐清市华东仪表厂 | Automatic workpiece fixture |
| CN102581668A (en) * | 2012-03-05 | 2012-07-18 | 宁波远达船机配件有限公司 | Tool positioning-clamping mechanism for milling machine |
| CN103567795A (en) * | 2012-07-26 | 2014-02-12 | 德克尔马霍普夫龙滕有限公司 | Tool holder for receiving and locking a tool taper on a tool magazine, unlocking device, and tool magazine |
| CN104707199A (en) * | 2015-01-04 | 2015-06-17 | 迈柯唯医疗设备(苏州)有限公司 | Rapid locking and releasing device for infusion rod |
| CN114227592A (en) * | 2021-11-23 | 2022-03-25 | 广东技术师范大学 | Self-locking type multifunctional screwdriver head clamping device |
-
1991
- 1991-09-02 CN CN 91105957 patent/CN1062315A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1068540C (en) * | 1995-10-09 | 2001-07-18 | 希尔蒂股份公司 | Cutter holder |
| CN1105613C (en) * | 1998-07-09 | 2003-04-16 | 株式会社家.B.M. | Drilling bit, bit tool and producing method for it |
| CN100563929C (en) * | 2007-10-22 | 2009-12-02 | 杭州机床集团有限公司 | Ferrule type grinding wheel chuck |
| CN101913129A (en) * | 2010-08-10 | 2010-12-15 | 乐清市华东仪表厂 | Automatic workpiece fixture |
| CN102581668A (en) * | 2012-03-05 | 2012-07-18 | 宁波远达船机配件有限公司 | Tool positioning-clamping mechanism for milling machine |
| CN102581668B (en) * | 2012-03-05 | 2015-03-25 | 宁波远达船机配件有限公司 | Tool positioning-clamping mechanism for milling machine |
| CN103567795A (en) * | 2012-07-26 | 2014-02-12 | 德克尔马霍普夫龙滕有限公司 | Tool holder for receiving and locking a tool taper on a tool magazine, unlocking device, and tool magazine |
| CN103567795B (en) * | 2012-07-26 | 2017-03-29 | 德克尔马霍普夫龙滕有限公司 | Knife rest, back-off assembly and the tool magazine of cutter cone are accommodated and are locked on tool magazine |
| CN104707199A (en) * | 2015-01-04 | 2015-06-17 | 迈柯唯医疗设备(苏州)有限公司 | Rapid locking and releasing device for infusion rod |
| CN114227592A (en) * | 2021-11-23 | 2022-03-25 | 广东技术师范大学 | Self-locking type multifunctional screwdriver head clamping device |
| CN114227592B (en) * | 2021-11-23 | 2023-09-08 | 广东技术师范大学 | Self-locking type multifunctional batch head clamping device |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |