CN102198525B - High-concentricity precise microporous four-claw drill chuck - Google Patents
High-concentricity precise microporous four-claw drill chuck Download PDFInfo
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- CN102198525B CN102198525B CN 201110115703 CN201110115703A CN102198525B CN 102198525 B CN102198525 B CN 102198525B CN 201110115703 CN201110115703 CN 201110115703 CN 201110115703 A CN201110115703 A CN 201110115703A CN 102198525 B CN102198525 B CN 102198525B
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- pushing block
- guiding
- square hole
- positioning
- drill chuck
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Abstract
The invention discloses a high-concentricity precise microporous four-claw drill chuck. The drill chuck comprises a positioning guiding body, a tightness adjusting outer sleeve, a connecting body and four pushing block gripping jaws with the identical structures and is characterized by also comprising a mounting taper sleeve. A cylindrical square hole sliding seat and a window hole are arranged in a through hole of the positioning guiding body; a square hole of the cylindrical square hole sliding seat is internally provided with the four pushing block gripping jaws with guiding chutes; the outer wall of the cylindrical square hole pushing block sliding seat is provided with inclined through slots corresponding to the guiding chutes of the pushing block gripping jaws; the inclined through slots are internally respectively provided with guiding keys capable of being embeddable into guiding chutes at the outer sides of the pushing block gripping jaws. Through the matching of internal threads of the tightness adjusting outer sleeve with external convex threads arranged symmetrically at intervals on the connecting body, the four pushing block gripping jaws in the square holes of the square hole sliding seat are driven to perform the axial displacement, and meanwhile, the guiding keys also do the relative movement in the inclined plane direction, thereby forming the high-concentricity precise microporous four-claw drill chuck which is clamped or loosened by the driving of the gradually reduced or enlarged closed square hole. The invention provides a novel clamping tool for multiple fields.
Description
Technical field
What the present invention relates to is drill chuck, especially a high concentricity precise micropore four paws drill chuck of machine cut processing.
Background technology
Development along with science and technology, the become more meticulous raising of degree of the industry products such as aircraft industry, national defense industry, machinery, electronic circuit board, automobile, precision instrument, clock and watch and jewelry, in manufacture course of products, the parts that need to drill 0.03 to 0.5mm micropore are more and more.The U.S. Patent number US6 of my previous acquisition discloses a kind of drill chuck that 0.03 to 3m star drill head-clamp is held that is applicable among 626, the 615B2 " boring the micropore bench drill ".This drill chuck is by main shaft, positioning sleeve, positioning and guiding body, gear jacket, connected body and be arranged on two four the identical pushing block jaws of S shape square hole gathering sill inner structure of positioning and guiding body and form, and four pushing block jaws are respectively equipped with the guide-localization inclined-plane.One end of described main shaft is provided with taper shank, the other end of main shaft is provided with four guide-localization inclined-planes that can cooperate with guide-localization inclined-plane on four pushing block jaws, the inner hole sleeve of positioning sleeve is on the cylindrical of main shaft, the external screw thread of the internal thread of positioning sleeve and positioning and guiding body is connected and fixed, thereby the guide-localization inclined-plane of main shaft is plugged between positioning sleeve and the positioning and guiding body.Make simultaneously the inner screw sheath of gear jacket on the cylindrical of positioning and guiding body, make gear jacket can make circular motion, and can not do axially displaced.Be installed in the square groove that four interior pushing block jaws upper ends of the two S shape square hole gathering sills of positioning and guiding body hang on connected body, when outside the gear wrench steerage gear during interplanting circular motion, four sections threaded engagement of the internal thread of gear jacket and connected body, can impel connected body in the positioning and guiding body, to move axially, and then drive four pushing block jaws and move axially, because the front end guide-localization inclined-plane of four pushing block jaws and the guide-localization inclined-plane of positioning and guiding body internal protrusion match, and guide-localization inclined-plane, rear end and four guide-localization inclined-planes of spindle end of four pushing block jaws match, so when four pushing block jaws are done axial displacement along with connected body, also along with the relative displacement of bevel direction is done on above-mentioned guide-localization inclined-plane, thereby form a holes for clamping that dwindles gradually or amplify.This holes for clamping can satisfy the clamping of the following aperture drill bit of 0.5mm.But it is found that in actual use, the bevel direction displacement of four pushing block jaws of this drill chuck in two S shape square hole gathering sills of guide-localization body, by cooperating realization with four guide-localization inclined-planes of spindle end, its structure is unreasonable, and the processing request on the two S shape square hole gathering sills on the positioning and guiding body and four guide-localization inclined-planes of spindle end is high and be difficult to processing and realize batch production.Therefore, promoting the use of of mark kind drill chuck is restricted.
Summary of the invention
Technical problem to be solved by this invention is to remedy above-mentioned the deficiencies in the prior art, provides a kind of structure relatively reasonable, processes relatively easy high concentricity precise micropore four paws drill chuck.
The present invention is solved by the following method.
This high concentricity precise micropore four paws drill chuck comprises:
One location guide way, positioning and guiding body another end are provided with and can stop kink degree of tightness thereon to regulate the axially movable bulge loop of overcoat;
One degree of tightness is regulated overcoat, and degree of tightness is regulated the outer internal thread that can cooperate with connected body evagination thread segment that is arranged with, and degree of tightness is embedded with and can be nested with on the positioning and guiding body around the axis rotating manner outside regulating;
One connected body, connected body is interval with the upper conjuncted of evagination thread segment by symmetry and can consists of with the tetragonal body that upper conjuncted bottom surface forms square indentations, and connected body can be regulated the overcoat screw-internal thread fit with degree of tightness by symmetrical interval evagination thread segment;
Four pushing block jaws, an end of described pushing block jaw are equipped with and can hang the hook that cooperates with square indentations on the connected body.
The characteristics of this high concentricity precise micropore four paws drill chuck are:
Also comprise an installation tapered sleeve that can be threaded with the positioning and guiding body and be integrated, the end that tapered sleeve is installed is provided with bellmouth, and the installation tapered sleeve is provided with and can stops the axially movable outer shroud of degree of tightness adjusting overcoat protruding;
Described positioning and guiding body center is provided with the through hole of end band flange collar, and tight fit arranges a cylindrical square hole slide in the through hole;
Be arranged with the fenestra that stretches out for convex thread section outside the symmetrical interval on the connected body on the described positioning and guiding body, positioning and guiding body end evagination is equipped with the spanner screens;
Described cylindrical square hole slide is a cylindrical structure, and cylindrical square hole slide center is provided with and can inserts the square opening of installing for four pushing block jaws, and cylindrical square hole slide outer wall correspondence in the inner each face of square opening offers the consistent oblique groove of incline direction;
Two of symmetries in described four pushing block jaws or whole lateral surfaces are respectively equipped with the guiding skewed slot corresponding with oblique groove position on the square hole slide, the corner of side pushing block jaw corresponding to the pushing block jaw that is provided with the guiding skewed slot is provided with the breach of stepping down, and this breach is used for the pushing block jaw and rotates and dodge feather key on the cylindrical square hole slide.
Described four pushing block jaws are plugged in the square opening of cylindrical square hole slide, tiltedly groove is corresponding one by one on the guiding skewed slot of pushing block jaw lateral surface and the cylindrical square hole slide, all is furnished with the feather key that can embed pushing block jaw lateral surface guiding skewed slot corresponding to the oblique groove of the cylindrical square hole slide that is provided with the guiding skewed slot.
When the turn degree of tightness is regulated the overcoat radial rotating, regulate on overcoat internal thread and the connected body cooperating of convex thread section outside the symmetrical interval by degree of tightness, can drive in the square hole slide square opening four pushing block jaws does axially displaced the time, also along with feather key is done relatively moving of bevel direction, pass the high concentricity precise micropore four paws drill chuck that clamps or unclamp thereby form a closed square hole that dwindles gradually or amplify.
Technical problem of the present invention is further solved by the following technical programs.
Symmetry is interval with two sections evagination thread segments on the described connected body.
Be provided with two fenestras corresponding to two sections protruding external thread sections on the connected body on the described positioning and guiding body.
Described positioning and guiding body is made of the internal thread that is arranged on positioning and guiding body one end and the external screw thread that is arranged on installation tapered sleeve link with being threaded of installation tapered sleeve.
The present invention's beneficial effect compared with prior art is:
This high concentricity precise micropore four paws drill chuck is keeping U.S. Patent number US6,626, drill chuck described in the 615B2 " bore micropore bench drill " can the basis to 0.03 to 3m micro drill firm grip on, by to the redesign on positioning and guiding body and four the pushing block clamping jaw structures, adopt processing technology easily square opening substituted the high and two S shape square hole gathering sills that are difficult to process of processing request, when having simplified the drill chuck structure, made things convenient for manufacturing.Be conducive to promoting the use of of high concentricity precise micropore four paws drill chuck.For the various fields such as machinery, electronics provide a kind of new-type anchor clamps.
The concrete structure of the high concentricity precise micropore of the present invention four paws drill chuck is provided in detail by the following drawings and embodiment.
Description of drawings
Fig. 1 is high concentricity precise micropore four paws drill chuck perspective view shown in Figure 1;
Fig. 2 is the decomposition texture schematic diagram of high concentricity precise micropore four paws drill chuck shown in Figure 1.
Fig. 3 is the assembly structure schematic diagram of high concentricity precise micropore four paws drill chuck.
Among the figure: pushing block jaw 1, hook 11, lateral surface 12, guiding skewed slot 13, the breach 14 of stepping down, cylindrical square hole slide 2, square opening 21, tiltedly groove 22, feather key 3, connected body 4, upper conjuncted 41, evagination thread segment 411, square indentations 42, tetragonal body 43, little axle 44, degree of tightness are regulated overcoat 5, internal thread 51, tapered sleeve 6 are installed, external screw thread 61, bellmouth 62, outer shroud are protruding 63, positioning and guiding body 7, internal thread 71, outer bulge loop 72, interior flange collar 73, through hole 74, fenestra 75.
The specific embodiment
Can be clear that high concentricity precise micropore four paws drill chuck from Fig. 1 to Fig. 3, comprise: tapered sleeve 6, positioning and guiding body 7, cylindrical square hole slide 2, degree of tightness adjusting overcoat 5, connected body 4, feather key 3 and four identical pushing block jaws 1 of structure are installed be formed.
One end of described installation tapered sleeve 6 is provided with bellmouth 62, and the other end that tapered sleeve 6 is installed is provided with external screw thread 61, and installation tapered sleeve 6 is provided with and can stops degree of tightness to regulate overcoat 5 axially movable outer shrouds protruding 63.
One end of described positioning and guiding body 7 be provided with can with the internal thread 71 of tapered sleeve 6 external screw threads 61 being installed being connected, positioning and guiding body 7 another ends are provided with and can stop kink degree of tightness thereon to regulate overcoat 5 axially movable outer bulge loops 72, outer bulge loop 72 is provided with the spanner screens, positioning and guiding body 7 centers are provided with the through hole 74 of end band flange collar 73, through hole 74 interior tight fits arrange a cylindrical square hole slide 2,73 of flange collars can stop the cylindrical square hole slide 2 of through hole 74 interior settings to stretch out from through hole 74 ends, are arranged with two on the positioning and guiding body 7 and supply the fenestra 75 that convex thread section 411 is stretched out outside the symmetrical interval on the connected body 4.
Described cylindrical square hole slide 2 is one can insert the column structure body in the through hole 74 of positioning and guiding body 7, cylindrical square hole slide 2 centers are provided with and can insert the square opening 21 of installing for four pushing block jaws 1, and cylindrical square hole slide 2 outer wall correspondences in the inner square opening 21 each faces offer the consistent oblique groove 22 of incline direction.
Described degree of tightness is regulated overcoat 5 and is provided with the internal thread 51 that can cooperate with connected body 4 evagination thread segments, degree of tightness is regulated overcoat 5 being nested with on positioning and guiding body 7 around the axis rotating manner, and the outer shroud protruding 63 of the flange collar 73 of positioning and guiding body 7 ends and installation tapered sleeve 6 can be placed restrictions on degree of tightness adjusting overcoat 5 and be moved axially.
Described connected body 4 by symmetry be interval with two sections evagination thread segments 411 upper conjuncted 41 and can consist of with the tetragonal body 43 that upper conjuncted 41 bottom surfaces form square indentations 42.
One end of described pushing block jaw 1 is provided with and can hangs the hook 11 that cooperates with square indentations on the connected body 4 42, the lateral surface 12 of pushing block jaw 1 is provided with the guiding skewed slot 13 corresponding with oblique groove 22 positions on the cylindrical square hole slide 2, the corner of notch below is provided with the breach 14 of stepping down on the guiding skewed slot 13, and this breach 14 of stepping down is used for 1 rotation of pushing block jaw and dodges feather key 3 on the cylindrical square hole slide 2.
Described four pushing block jaws 1 are plugged in the square opening 21 of cylindrical square hole slide 2, tiltedly groove 22 is corresponding one by one on the guiding skewed slot 13 of four pushing block jaw 1 lateral surfaces and the cylindrical square hole slide 2, and cylindrical square hole slide 2 each oblique groove 22 all are furnished with can embed respectively the lead feather key 3 of skewed slot 13 of four pushing block jaws, 1 lateral surface 12.
The assembly relation of this high each parts of concentricity precise micropore four paws drill chuck: the square indentations 42 that the end hook 11 of four pushing block jaws 1 is hung on connected body 4, then four pushing block jaws 1 are imported the square opening 21 of cylindrical square hole slide 2, and at the oblique groove 22 interior feather keys 3 that embed respectively of cylindrical square hole slide 2, connected body 4 and four pushing block jaws 1 and cylindrical square hole slide 2 are combined into one.Then the through hole 74 that cylindrical square hole slide 2 is inserted positioning and guiding body 7 is interior until be hampered by interior flange collar 73, this moment, two sections evagination thread segments 411 at connected body 2 symmetrical intervals stretched out from two fenestras 75 of positioning and guiding body 7 symmetries respectively, an end of again internal thread 71 ends of positioning and guiding body 7 being regulated overcoat 5 from degree of tightness inserts, the evagination thread segment 411 at connected body 2 symmetrical intervals is in mated condition with the internal thread 51 of degree of tightness adjusting overcoat 5 at this moment, the male end that tapered sleeve 6 will be installed is at last regulated the other end importing of overcoat 5 from degree of tightness, and the external screw thread 61 that tapered sleeve 6 utilize to be installed screws with cooperating of positioning and guiding body 7 internal threads 71 and is connected on the positioning and guiding body 7, namely finishes the assembling of high each parts of concentricity precise micropore four paws drill chuck.At this moment, the degree of tightness of kink on positioning and guiding body 7 regulated overcoat 5, can not move axially under the restriction of bulge loop 72 and installation tapered sleeve 6 outer shrouds protruding 63 outside positioning and guiding body 7 one ends, can only make radial rotating.
When the high concentricity precise micropore of the present invention four paws drill chuck uses, utilize installation tapered sleeve 6 high concentricity precise micropore four paws drill chuck conveniently can be installed on the various Metal Cutting Machine Tools.When the turn degree of tightness is regulated overcoat 5 radial rotating, the cooperating of convex thread section 411 outside the symmetrical interval on the internal thread 51 of regulating overcoat 5 by degree of tightness and the connected body 2, can drive cylindrical square hole slide 2 square openings 22 interior four pushing block jaws 1 does axially displaced the time, also along with feather key 3 is done relatively moving of bevel direction, pass the high concentricity precise micropore four paws drill chuck that clamps or unclamp thereby form a closed square hole that dwindles gradually or amplify.
The effect that is arranged on the breach 14 of stepping down on the pushing block jaw 1 is: when the guiding skewed slot 13 of pushing block jaw 1 slides into low level along feather key 3, the upper end of feather key 3 from the guiding skewed slot 13 on notch expose, at this moment, if if side pushing block jaw 1 is without stepping down breach 14, the feather key 3 that then exposes is touching side pushing block jaw 1, hinders the movement of pushing block jaw 1.And after side pushing block jaw 1 arranged the breach 14 of stepping down, feather key 3 ends that expose can enter the breach 14 of stepping down of side pushing block jaw 1, the requirement that moves into place to satisfy pushing block jaw 1.
Above content is in conjunction with concrete preferred embodiment, and further description made for the present invention can not assert that implementation of the present invention is confined to these explanations.Without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to the scope of patent protection that the present invention is determined by claims of submitting to.
Claims (4)
1. one kind high concentricity precise micropore four paws drill chuck comprises:
One location guide way, positioning and guiding body one end are provided with and can stop kink degree of tightness thereon to regulate the axially movable outer bulge loop of overcoat;
One degree of tightness is regulated overcoat, and degree of tightness is regulated the outer internal thread that can cooperate with connected body evagination thread segment that is arranged with, and degree of tightness is embedded with and can be nested with on the positioning and guiding body around the axis rotating manner outside regulating;
One connected body, connected body is interval with the upper conjuncted of evagination thread segment by symmetry and can consists of with the tetragonal body that upper conjuncted bottom surface forms square indentations;
Four pushing block jaws, an end of described pushing block jaw are equipped with and can hang the hook that cooperates with square indentations on the connected body, it is characterized in that:
Also comprise an installation tapered sleeve that can be threaded with the positioning and guiding body and be integrated, the end that tapered sleeve is installed is provided with bellmouth, and the installation tapered sleeve is provided with and can stops the axially movable outer shroud of degree of tightness adjusting overcoat protruding;
Described positioning and guiding body center is provided with the through hole of end band flange collar, and tight fit arranges a cylindrical square hole slide in the through hole;
Be arranged with the fenestra that stretches out for convex thread section outside the symmetrical interval on the connected body on the described positioning and guiding body, positioning and guiding body end evagination is equipped with the spanner screens;
Described cylindrical square hole slide is a cylindrical structure, and cylindrical square hole slide center is provided with and can inserts the square opening of installing for four pushing block jaws, and cylindrical square hole slide outer wall correspondence in the inner each face of square opening offers the consistent oblique groove of incline direction;
Two of symmetries in described four pushing block jaws or whole lateral surfaces are respectively equipped with the guiding skewed slot corresponding with oblique groove position on the square hole slide, the corner of side pushing block jaw corresponding to the pushing block jaw that is provided with the guiding skewed slot is provided with the breach of stepping down, and this breach is used for the pushing block jaw and rotates and dodge feather key on the cylindrical square hole slide;
Described four pushing block jaws are plugged in the square opening of cylindrical square hole slide, tiltedly groove is corresponding one by one on the guiding skewed slot of pushing block jaw lateral surface and the cylindrical square hole slide, all is furnished with the feather key that can embed pushing block jaw lateral surface guiding skewed slot corresponding to the oblique groove of the cylindrical square hole slide that is provided with the guiding skewed slot.
2. the high concentricity precise micropore four paws drill chuck shown in according to claim 1 is characterized in that:
Symmetry is interval with two sections evagination thread segments on the described connected body.
3. the high concentricity precise micropore four paws drill chuck shown in according to claim 2 is characterized in that:
Be provided with two fenestras corresponding to two sections protruding external thread sections on the connected body on the described positioning and guiding body.
4. the high concentricity precise micropore four paws drill chuck shown in according to claim 3 is characterized in that:
Described positioning and guiding body is made of the internal thread that is arranged on the positioning and guiding body other end and the external screw thread that is arranged on installation tapered sleeve link with being threaded of installation tapered sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110115703 CN102198525B (en) | 2011-05-05 | 2011-05-05 | High-concentricity precise microporous four-claw drill chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110115703 CN102198525B (en) | 2011-05-05 | 2011-05-05 | High-concentricity precise microporous four-claw drill chuck |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102198525A CN102198525A (en) | 2011-09-28 |
| CN102198525B true CN102198525B (en) | 2013-01-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110115703 Expired - Fee Related CN102198525B (en) | 2011-05-05 | 2011-05-05 | High-concentricity precise microporous four-claw drill chuck |
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| Country | Link |
|---|---|
| CN (1) | CN102198525B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111069640A (en) * | 2018-10-22 | 2020-04-28 | 鼎朋企业股份有限公司 | Combined micropore clamping device |
| CN117773189A (en) * | 2024-02-26 | 2024-03-29 | 吉林省大多天盛金属陶瓷技术有限公司 | Fixed and stable perforating machine for processing heat-insulating oil pipe and processing method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1320501A (en) * | 2000-04-21 | 2001-11-07 | 邹德骏 | Microhole table drill with stepless speed variation |
| DE10335500A1 (en) * | 2003-07-31 | 2005-03-03 | Röhm Gmbh | keyless |
| DE202005012621U1 (en) * | 2005-05-02 | 2006-09-07 | Reinauer, Andreas | Quick clamping unit for machine tool, comprising wedge-shaped clamping element with serrated lower surface |
| DE102006011344A1 (en) * | 2006-03-11 | 2007-09-13 | Röhm Gmbh | Drill chuck, has rotating bush supported at axially rear end of chuck body and coupled with part of web retainer or locking device in torque transferable manner, where web retainer is utilized for actuating clamping jaw |
| CN202137400U (en) * | 2011-05-05 | 2012-02-08 | 邹德骏 | High-concentricity precise micropore four-claw drill chuck |
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2011
- 2011-05-05 CN CN 201110115703 patent/CN102198525B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN102198525A (en) | 2011-09-28 |
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