CN104440182A - Step shaft collet chuck - Google Patents
Step shaft collet chuck Download PDFInfo
- Publication number
- CN104440182A CN104440182A CN201410704111.0A CN201410704111A CN104440182A CN 104440182 A CN104440182 A CN 104440182A CN 201410704111 A CN201410704111 A CN 201410704111A CN 104440182 A CN104440182 A CN 104440182A
- Authority
- CN
- China
- Prior art keywords
- chuck
- wall
- column shape
- concrete
- clamp
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
Abstract
The invention relates to a machining clamp, in particular to a step shaft collet chuck. The step shaft collet chuck comprises a rod piece and a cylindrical clamp body fixedly connected with the rod piece. A clamping groove is formed in the end face of the cylindrical clamp body, an elastic cylinder clamp is fixedly embedded into the clamping groove, an external thread is arranged on the outer wall of the cylindrical clamp body, the cylindrical clamp body is sleeved with a jacket, an internal thread matched with the outer wall of the cylindrical clamp body is arranged on the inner wall of the jacket, the jacket is provided with an annular clamping platform matched with the outer wall of a clamping part of the elastic cylinder clamp, and the end of the clamping part of the elastic cylinder clamp is flush with or shorter than the end of the jacket. The clamping tool can stably clamp various specifications of step shafts provided with short steps.
Description
Technical field
The present invention relates to a kind of clamping tool for machine work, be specifically related to a kind of Step Shaft collet.
Background technology
Be used for fixing processing object in machine-building process, make it to occupy correct position, to accept the device of constructing or detecting.In a broad sense, any operation in technical process, is used for rapidly, installs easily and safely the device of workpiece, all can be described as fixture.Such as weld jig, inspection jig, assembling jig, jig etc.Wherein jig is the most common, often referred to as fixture.On lathe during processing work, the dimensions reaching drawing for making the surface energy of workpiece and specify, geometry and with the technical requirements such as the relative-position error on other surfaces, workpiece must be installed (location) before processing, clip (clamping).Fixture is usually by compositions such as setting element (determining the tram of workpiece in fixture), clamping device, tool setting induction element (determine the relative position of cutter and workpiece or guide tool orientation), indexing means (make workpiece can complete the processing of several station in once mounting, have circular index device and rectilinear movement indexing means two class), Connection Element and clamp bodies (clamp base).
According to the situation of bearing load, d-axis and bent axle is divided by axis shape, wherein d-axis comprises optical axis and multidiameter, axle generally has some to fix, driving parts such as gear, bearing etc., certain position must be had to fix, and have interference fit comparatively to bother, make notch cuttype just can successively one by one by Assembly of the parts to desired location.But multidiameter Problems existing, the multidiameter that the ladder due to some ends is shorter, is referred to as the multidiameter of short step herein, and the clamping device that the existence due to short step is general is difficult to stable clamping this kind of multidiameter.If the multidiameter for a kind of specification designs unconventional fixture, can clamp stable but cost is too high.
Summary of the invention
The object of the present invention is to provide can a kind of can stable holding the clamping tool of the multidiameter of the short step of band of all size can be clamped.
The present invention is achieved by the following technical solutions: Step Shaft collet, comprise rod member, the column shape clamp be fixedly connected with rod member is concrete, wherein, the concrete end face of column shape clamp offers clip slot, clip slot internal fixtion embeds elastic collet chuck, the concrete outer wall of column shape clamp is provided with external screw thread, the concrete overcoat chuck of column shape clamp, jackets inner wall is provided with the internal thread that outer wall concrete with column shape clamp coordinates, chuck is provided with the marmon clamp platform coordinated with the outer wall of the clamping part of elastic collet chuck, and the clamping part end of elastic collet chuck flushes or be shorter than the end of chuck.
The invention has the beneficial effects as follows: difference with the prior art point of the present invention is that the chuck be specifically threaded with column shape clamp is embedded in the elastic collet chuck that column shape clamp is concrete.Work as fixed beam, when rotating chuck, there is relative sliding owing to being specifically threaded with column shape clamp in chuck, the outer wall of the marmon clamp platform extruding elastic collet chuck of chuck, elastic collet chuck completes holding action, again because the clamping part end of elastic collet chuck flushes or be shorter than the end of chuck.The function clamping short step is only completed when flushing, due to the marmon clamp platform of extruding and the retaining part of elastic collet chuck very close, clamping pretightning force is sufficient, clamping is stable, when being shorter than the end of chuck chuck, chuck some can embed the outstanding part of Step Shaft, further prevent by the axially-movable of holding workpiece, simultaneously because the specification of elastic collet chuck is more, different specification elastic collet chucks can be adopted according to the Step Shaft of different specifications, transform very convenient.
Further, column shape clamp is specifically fixedly connected with by pin with elastic collet chuck.In advance column shape clamp concrete with elastic collet chuck on offer pin-and-hole after, can realize concrete the fixing with elastic collet chuck of column shape clamp easily by pin, then use chuck covers pin location and avoids pin to spill.
Further, jackets inner wall is provided with the concrete annular stop chuck of restriction column shape clamp.Avoid chuck too to slide, cause the undue clamping work pieces of elastic collet chuck, destroy workpiece or destroy fixture.
Further, jackets outer wall is provided with frictional layer.Step Shaft is fit in some deep holes by an important use of the present invention exactly, and both fixing by the frictional force of frictional layer and the hole wall of the outer wall of chuck after loading, that then selects the end of rod member to realize elastic collet chuck unclamps action.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation:
Fig. 1 is the structural representation of structural ledge axle collet embodiment of the present invention
Reference numeral: column shape clamp is concrete 1, rod member 12, elastic collet chuck 2, clamping part 21, chuck 3, marmon clamp platform 31, pin 4.
Detailed description of the invention
Step Shaft collet by reference to the accompanying drawings shown in 1, comprise rod member 12, the column shape clamp be fixedly connected with rod member 12 concrete 1, wherein, the end face of column shape clamp concrete 1 offers clip slot, clip slot internal fixtion embeds elastic collet chuck 2, column shape clamp concrete 1 is fixedly connected with by pin 4 with elastic collet chuck 2, concrete 1 outer wall of column shape clamp is provided with external screw thread, the concrete 1 overcoat chuck 3 of column shape clamp, chuck 3 inwall is provided with the internal thread that 1 outer wall concrete with column shape clamp coordinates, chuck 3 is provided with the marmon clamp platform 31 coordinated with the outer wall of the clamping part 21 of elastic collet chuck 2, chuck 3 inwall is provided with the annular stop chuck of restriction column shape clamp concrete 1, chuck 3 outer wall is provided with frictional layer.Clamping part 21 end of elastic collet chuck 2 is shorter than the end of chuck 3.
Result of use, difference with the prior art point of the present invention is that the chuck 3 be threaded with column shape clamp concrete 1 is embedded in the elastic collet chuck 2 of column shape clamp concrete 1.When fixed beam 12, when rotating chuck 3, relative sliding is there is in chuck 3 owing to being threaded with column shape clamp concrete 1, the marmon clamp platform 31 of chuck 3 extrudes the outer wall of elastic collet chuck 2, elastic collet chuck 2 completes holding action, again because clamping part 21 end of elastic collet chuck 2 flushes or be shorter than the end of chuck 3.The function clamping short step is only completed when flushing, because the marmon clamp platform 31 of extruding is very close with the clamping part 21 of elastic collet chuck 2, clamping pretightning force is sufficient, clamping is stable, when being shorter than the end of chuck 3 chuck 3, chuck 3 some can embed the outstanding part of Step Shaft, further prevent by the axially-movable of holding workpiece, simultaneously because the specification of elastic collet chuck 2 is more, different specification elastic collet chucks 2 can be adopted according to the Step Shaft of different specifications, transform very convenient.
Optimize the effect of feature, column shape clamp concrete 1 is fixedly connected with by pin 4 with elastic collet chuck 2.After offering pin-and-hole in advance on column shape clamp concrete 1 with elastic collet chuck 2, the fixing of column shape clamp concrete 1 and elastic collet chuck 2 can be realized easily by pin 4, then use chuck 3 to cover pin 4 position and avoid pin 4 to spill; Chuck 3 inwall is provided with the annular stop chuck of restriction column shape clamp concrete 1.Avoid chuck 3 too to slide, cause the undue clamping work pieces of elastic collet chuck 2, destroy workpiece or destroy fixture; Chuck 3 outer wall is provided with frictional layer.Step Shaft is fit in some deep holes by an important use of the present invention exactly, after loading by the frictional force of frictional layer and the hole wall of the outer wall of chuck 3 fixing the two, what then the end of selection rod member 12 realized elastic collet chuck 2 unclamps action.
Above-described is only the preferred embodiment of the present invention; should be understood that; for a person skilled in the art; under the prerequisite not departing from structure of the present invention; some distortion and improvement can also be made; these also should be considered as protection scope of the present invention, and these all can not affect effect of the invention process and practical applicability.
Claims (4)
1. Step Shaft collet, comprise rod member, the column shape clamp be fixedly connected with rod member is concrete, it is characterized in that, the concrete end face of described column shape clamp offers clip slot, described clip slot internal fixtion embeds elastic collet chuck, the concrete outer wall of described column shape clamp is provided with external screw thread, the concrete overcoat chuck of described column shape clamp, described jackets inner wall is provided with the internal thread that outer wall concrete with column shape clamp coordinates, described chuck is provided with the marmon clamp platform coordinated with the outer wall of the clamping part of elastic collet chuck, and the clamping part end of described elastic collet chuck flushes or be shorter than the end of chuck.
2. Step Shaft collet as claimed in claim 1, it is characterized in that, described column shape clamp is specifically fixedly connected with by pin with elastic collet chuck.
3. Step Shaft collet as claimed in claim 1, is characterized in that, described jackets inner wall is provided with the concrete annular stop chuck of restriction column shape clamp.
4. Step Shaft collet as claimed in claim 1, it is characterized in that, described jackets outer wall is provided with frictional layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410704111.0A CN104440182A (en) | 2014-11-30 | 2014-11-30 | Step shaft collet chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410704111.0A CN104440182A (en) | 2014-11-30 | 2014-11-30 | Step shaft collet chuck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104440182A true CN104440182A (en) | 2015-03-25 |
Family
ID=52887344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410704111.0A Pending CN104440182A (en) | 2014-11-30 | 2014-11-30 | Step shaft collet chuck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104440182A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104842182A (en) * | 2015-05-28 | 2015-08-19 | 天津大学 | Novel supersonic machining tool chuck |
| TWI721439B (en) * | 2019-05-29 | 2021-03-11 | 心源工業股份有限公司 | Tool collet group and collet capable of improving stability |
-
2014
- 2014-11-30 CN CN201410704111.0A patent/CN104440182A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104842182A (en) * | 2015-05-28 | 2015-08-19 | 天津大学 | Novel supersonic machining tool chuck |
| TWI721439B (en) * | 2019-05-29 | 2021-03-11 | 心源工業股份有限公司 | Tool collet group and collet capable of improving stability |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150325 |