CN204893016U - Numerical control lathe's elasticity anchor clamps - Google Patents
Numerical control lathe's elasticity anchor clamps Download PDFInfo
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- CN204893016U CN204893016U CN201520668829.9U CN201520668829U CN204893016U CN 204893016 U CN204893016 U CN 204893016U CN 201520668829 U CN201520668829 U CN 201520668829U CN 204893016 U CN204893016 U CN 204893016U
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- collet
- press section
- location division
- spring chuck
- numerical control
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Abstract
The utility model provides a numerical control lathe's elasticity anchor clamps belongs to digit control machine tool technical field. It has solved the problem that current numerical control lathe's elasticity anchor clamps life is short. This numerical control lathe's elasticity anchor clamps is used for linking to each other and being the collet chuck of tube -shape and the dabber that is located collet chuck with the numerical control lathe main shaft including one, and the collet chuck tip be for can stretch into the location portion the work piece inside, and the inner of location portion has an annular convex shoulder, and the dabber tip has and is used for extrudeing the inboard press section of collet chuck, and the press section appears just for having the frustum of a pyramid that two adjacent lateral walls of press section pass through for the fillet. This numerical control lathe's elasticity anchor clamps has the longer and comparatively convenient advantage of use of life.
Description
Technical field
The utility model belongs to Digit Control Machine Tool component technology field, relates to a kind of spring chuck, particularly a kind of spring chuck of numerically controlled lathe.
Background technology
In machining manufacturing, lathe and numerically controlled lathe are widely used.The outer bowlder of turning set type parts on lathe, when having higher axiality to require to the endoporus of workpiece and cylindrical, then inconvenience chuck is installed and processes; Or when being installed with chuck, making troubles to manufacturing procedure, also can affect progress and operating efficiency.Man-hour is being added to this type of workpiece, is often needing to use fixture to fix this workpiece, to carry out process operation to this workpiece.
For this situation, people have recognized this deficiency, and carry out improvement, as a kind of automobile clamper [application number: 200820035941.9 that Chinese patent literature data openly proposes; Authorization Notice No.: CN201208703Y], it comprises clamp body, is connected with in clamp body side the expansion sleeve that one end is set to taper; Have a mandrel pull bar to run through clamp body and expansion sleeve, mandrel pull bar one end is connected with the main shaft pull bar be connected with the oil cylinder at lathe spindle rear portion, and the other end is connected with collet; Collet is clamped in the tapered end thereof of expansion sleeve.This automobile clamper adopts one side and location, a hole, the positioning clamping scheme of collet stretching endoporus.The oil cylinder at main shaft pull bar lathe spindle rear portion is connected, moved backward by hydraulic oil input queued switches oil cylinder piston band movable snail sleeve, mandrel pull bar, collet, by the conical surface of expansion sleeve, collet is strutted, stretching inner hole of workpiece, drive workpiece to move to major axes orientation simultaneously, lean on jail on the locating surface of expansion sleeve workpiece end face.But because this automobile clamper adopts expansion sleeve to be strutted by collet under the effect of pulling force, after the long-time process used, collet easily produces plastic deformation, makes the service life shortening this automobile clamper.
Summary of the invention
The purpose of this utility model there are the problems referred to above for existing technology, proposes a kind of spring chuck of numerically controlled lathe of long service life.
The purpose of this utility model realizes by following technical proposal: a kind of spring chuck of numerically controlled lathe, comprise one for being connected with spindle of numerical control lathe and tubular collet and the mandrel being positioned at collet, described collet end is the location division stretching into inside workpiece, the inner of described location division has annular convex shoulder, it is characterized in that, described mandrel end has the press section inside for extrusion spring chuck, and described press section is have frustum of a pyramid shape and two adjacent sidewalls of described press section are round-corner transition.
Operationally, workpiece is nested into location division and is resisted against on annular convex shoulder, under the effect of thrust, the press section of mandrel is by the medial end of extrusion spring chuck, now, the end of collet due to be subject to mandrel extruding effect under, location division is opened and is fixed on location division by the workpiece be set on location division.Now lathe spindle rotarily drives the clamp body be connected with lathe spindle, and processes being fixed on workpiece on clamp body.After processing, main shaft is now stopped to rotate, and mandrel is exited from the medial end of collet and leaves location division, now there is elastic deformation and return to before mandrel is not squeezed in location division, now easily can unload workpiece, adopt the mode of extruding that collet is opened, make the service life of collet longer.Press section is have the press section of frustum of a pyramid shape and two sidewalls of the adjacent of press section are round-corner transition, collet is evenly squeezed the pressure in portion, decrease the contact surface of press section and collet simultaneously, increase pressure between the two, collet is opened fast, and makes its service life longer.
In the spring chuck of above-mentioned a kind of numerically controlled lathe, the tapering of described press section is 5 ° to 10 °.
In the spring chuck of above-mentioned a kind of numerically controlled lathe, have the stopper of protrusion inside described location division, the press section of above-mentioned mandrel can be resisted against stopper place.When press section is resisted against location division, the press section of mandrel is limited in inside collet by stopper, prevents from causing location division not to be squeezed completely and causes loosening of workpiece.
In the spring chuck of above-mentioned a kind of numerically controlled lathe, inside described collet, there is spacing shoulder block, described mandrel has the convex edge that can contact with spacing shoulder block.
In the spring chuck of above-mentioned a kind of numerically controlled lathe, described collet has the groove that runs through in three roads and location division is axially divided into three lobes along it by three above-mentioned road grooves.When the stopper of location division is squeezed the extruding in portion, the effect generation homogeneous deformation that location division is all under pressure, improves the service life of collet.
In the spring chuck of above-mentioned a kind of numerically controlled lathe, described collet adopts Cr12 or Gcr15 material to make.The collet adopting Cr12 or Gcr15 to make has high strength, good wearability and higher contact fatigue property, makes collet have the comparatively long life.
Compared with prior art, the spring chuck of this kind of numerically controlled lathe has the following advantages:
1, press section is have taper type and two adjacent sidewalls of press section are round-corner transition, collet is evenly squeezed the pressure in portion, decrease the contact surface of press section and collet simultaneously, increase pressure between the two, collet is opened fast, improves operating efficiency;
2, when press section is resisted against location division, the press section of mandrel is limited in inside collet by stopper, prevents from causing location division not to be squeezed completely and causes loosening of workpiece;
3, when the stopper of location division is subject to the extruding of clamping section, the effect generation homogeneous deformation that location division is all under pressure, improves the service life of collet.
Accompanying drawing explanation
Fig. 1 is the assembling schematic diagram of the spring chuck of this kind of numerically controlled lathe.
Fig. 2 is the schematic diagram of the mandrel of the spring chuck of this kind of numerically controlled lathe.
Fig. 3 is the schematic diagram of the collet of the spring chuck of this kind of numerically controlled lathe.
In figure, 1, collet; 1a, location division; 1b, annular convex shoulder; 1c, stopper; 1d, spacing shoulder block; 2, mandrel; 2a, press section; 2b, convex edge.
Detailed description of the invention
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As shown in Figures 1 to 3, a kind of spring chuck of numerically controlled lathe, comprise one for being connected with lathe spindle and tubular collet 1 and the mandrel 2 being positioned at collet 1, collet 1 end has the location division 1a that can stretch into inside workpiece, the inner of location division 1a has annular convex shoulder 1b, mandrel 2 end has the press section 2a inside for extrusion spring chuck 1, and press section 2a is frustum of a pyramid shape, and the tapering of press section 2a is 5 ° to 10 °.Two adjacent sidewalls of press section 2a are round-corner transition.Have the stopper 1c of protrusion inside the 1a of location division, the press section 2a of mandrel 2 can be resisted against stopper 1c place.
There is inside collet 1 spacing shoulder block 1d, mandrel 2 has the convex edge 2b that can contact with spacing shoulder block 1d.Collet 1 has the groove that three roads run through, location division 1a is axially divided into three lobes along it by three above-mentioned road grooves.When the stopper 1c of location division 1a is squeezed the extruding of portion 2a, the effect generation homogeneous deformation that location division 1a is all under pressure, improves the service life of collet 1.
Collet 1 adopts Cr12 or Gcr15 material to make, and has high strength, good wearability and higher contact fatigue property, makes collet 1 have the comparatively long life.
Operationally, workpiece be nested into location division 1a and be resisted against on annular convex shoulder 1b, under the effect of thrust, the press section 2a of mandrel 2 is by the medial end of extrusion spring chuck 1, now, the end of collet 1 due to be subject to the extruding of mandrel 2 press section 2a effect under, location division 1a opens and is fixed on the 1a of location division by the workpiece be set on the 1a of location division, the press section 2a of mandrel 2 is limited in inside collet 1 by stopper 1c simultaneously, prevents from causing location division 1a not to be squeezed completely and causes loosening of workpiece.
After processing, main shaft is now stopped to rotate, and mandrel 2 is exited from the medial end of collet 1 and leaves location division 1a, now there is elastic deformation and return to before mandrel 2 is not squeezed in location division 1a, now easily can unload workpiece, adopt the mode of extruding that collet 1 is opened, make the service life of collet 1 longer.Press section 2a has taper type and two adjacent sidewalls of press section 2a are round-corner transition, collet 1 can be evenly squeezed the pressure of portion 2a, decrease the contact surface of press section 2a and collet 1 simultaneously, increase pressure between the two, collet 1 can be opened fast.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Although more employ the term such as collet 1, location division 1a, annular convex shoulder 1b, stopper 1c, spacing shoulder block 1d, mandrel 2, press section 2a, convex edge 2b herein, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present utility model more easily; The restriction that they are construed to any one additional is all contrary with the utility model spirit.
Claims (6)
1. the spring chuck of a numerically controlled lathe, comprise one for being connected with spindle of numerical control lathe and tubular collet (1) and be positioned at the mandrel (2) of collet (1), described collet (1) end is the location division (1a) stretching into inside workpiece, the inner of described location division (1a) has annular convex shoulder (1b), it is characterized in that, described mandrel (2) end has the press section (2a) for extrusion spring chuck (1) inner side, described press section (2a) is for frustum of a pyramid shape and two adjacent sidewalls of described press section (2a) are round-corner transition.
2. the spring chuck of a kind of numerically controlled lathe according to claim 1, is characterized in that, the tapering of described press section (2a) is 5 ° to 10 °.
3. the spring chuck of a kind of numerically controlled lathe according to claim 1 and 2, it is characterized in that, described inner side, location division (1a) has the stopper (1c) of protrusion, and the press section (2a) of above-mentioned mandrel (2) can be resisted against stopper (1c) place.
4. the spring chuck of a kind of numerically controlled lathe according to claim 1 and 2, it is characterized in that, described collet (1) inner side has spacing shoulder block (1d), described mandrel (2) has the convex edge (2b) that can contact with spacing shoulder block (1d).
5. the spring chuck of a kind of numerically controlled lathe according to claim 1 and 2, is characterized in that, described collet (1) has the groove run through in three roads and location division (1a) is axially divided into three lobes along it by three above-mentioned road grooves.
6. the spring chuck of a kind of numerically controlled lathe according to claim 1 and 2, is characterized in that, described collet (1) adopts Cr12 or Gcr15 material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520668829.9U CN204893016U (en) | 2015-08-31 | 2015-08-31 | Numerical control lathe's elasticity anchor clamps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520668829.9U CN204893016U (en) | 2015-08-31 | 2015-08-31 | Numerical control lathe's elasticity anchor clamps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204893016U true CN204893016U (en) | 2015-12-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520668829.9U Expired - Fee Related CN204893016U (en) | 2015-08-31 | 2015-08-31 | Numerical control lathe's elasticity anchor clamps |
Country Status (1)
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| CN (1) | CN204893016U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107745270A (en) * | 2017-10-14 | 2018-03-02 | 歌尔股份有限公司 | Multi-faceted rotary fixture |
| CN108127137A (en) * | 2018-01-08 | 2018-06-08 | 歌尔股份有限公司 | Workpiece lumen supports processing tool |
| CN109530738A (en) * | 2018-11-09 | 2019-03-29 | 中国航空工业集团公司西安飞行自动控制研究所 | A kind of claw adjustable positioning device for elastic chuck |
| CN112207308A (en) * | 2020-09-29 | 2021-01-12 | 乔锋智能装备股份有限公司 | Machining center presss from both sides core device |
| CN114309296A (en) * | 2021-12-07 | 2022-04-12 | 上海衡拓液压控制技术有限公司 | Device and method for riveting miniature thin-wall cover type parts in rolling manner |
-
2015
- 2015-08-31 CN CN201520668829.9U patent/CN204893016U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107745270A (en) * | 2017-10-14 | 2018-03-02 | 歌尔股份有限公司 | Multi-faceted rotary fixture |
| CN107745270B (en) * | 2017-10-14 | 2019-08-27 | 歌尔股份有限公司 | Multi-faceted rotary fixture |
| CN108127137A (en) * | 2018-01-08 | 2018-06-08 | 歌尔股份有限公司 | Workpiece lumen supports processing tool |
| CN109530738A (en) * | 2018-11-09 | 2019-03-29 | 中国航空工业集团公司西安飞行自动控制研究所 | A kind of claw adjustable positioning device for elastic chuck |
| CN109530738B (en) * | 2018-11-09 | 2020-01-14 | 中国航空工业集团公司西安飞行自动控制研究所 | Claw type adjustable positioning device for elastic chuck |
| CN112207308A (en) * | 2020-09-29 | 2021-01-12 | 乔锋智能装备股份有限公司 | Machining center presss from both sides core device |
| CN112207308B (en) * | 2020-09-29 | 2021-05-28 | 乔锋智能装备股份有限公司 | Machining center presss from both sides core device |
| CN114309296A (en) * | 2021-12-07 | 2022-04-12 | 上海衡拓液压控制技术有限公司 | Device and method for riveting miniature thin-wall cover type parts in rolling manner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151223 Termination date: 20190831 |
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| CF01 | Termination of patent right due to non-payment of annual fee |