CN201505736U - Spring chuck device with axial positioning function - Google Patents
Spring chuck device with axial positioning function Download PDFInfo
- Publication number
- CN201505736U CN201505736U CN2009200449693U CN200920044969U CN201505736U CN 201505736 U CN201505736 U CN 201505736U CN 2009200449693 U CN2009200449693 U CN 2009200449693U CN 200920044969 U CN200920044969 U CN 200920044969U CN 201505736 U CN201505736 U CN 201505736U
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- China
- Prior art keywords
- sleeve
- collet
- pushing
- spring chuck
- pushing sleeve
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- Expired - Fee Related
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Abstract
The utility model discloses a spring chuck device with the axial positioning function, which comprises a push rod arranged in a lathe spindle, one end face of the push rod is in contact with one end of a pushing sleeve, a spring chuck is arranged in the pushing sleeve, an inner conical surface at the other end of the pushing sleeve is matched with an outer conical surface at the end of the spring chuck, an anti-rotating pin is arranged between the pushing sleeve and the spring chuck, a locating sleeve is arranged in the spring chuck, a spring is arranged between the locating sleeve and the spring chuck, the locating sleeve is movably connected with the spring chuck, a reducing sleeve is arranged outside the pushing sleeve and fixed on the lathe spindle, and a driving pin is arranged between the reducing sleeve and the pushing sleeve. The spring chuck device has simple structure and low manufacturing cost and the spare parts with larger diameter can be clamped through the reducing sleeve on the small-size lathe spindle, thereby expanding the application range of the lathe. The locating sleeve in the spring chuck can be adjusted according to the length of the spare part to be processed, thereby realizing axial positioning and not limiting the length of the spare parts to be processed.
Description
Technical field
The utility model relates to a kind of elasticity clamping structure, specifically, is a kind of clamping bar class excircle of workpiece, and can be to the collet device of workpiece axial location.
Background technology
In machining, the collet device of clamping bar cylindrical is a kind of more common structure, and commonly used have two kinds of rise shell type and rear pull types, is used for the processing automatically continuously of bar class part.Existing collet generally is contained in the lathe spindle, and the size of the workpiece of machined into is subjected to the restriction in lathe spindle aperture like this.Less such as the machine tool chief axis specification that the user that has buys, when processing when certain requirement being arranged, just can not satisfy instructions for use so than major diameter and to the length of part, limited the range of work of lathe greatly.
Summary of the invention
Goal of the invention: the purpose of this utility model is at the deficiencies in the prior art, a kind of collet device that has the axial location function is provided, its can be on the small dimension main shaft clamping than the major diameter part, and the workpiece axial location can have been enlarged the range of work of lathe.
Technical scheme: in order to solve the problems of the technologies described above, the utility model has adopted following technical scheme, a kind of collet device that has the axial location function, comprise the push rod that is positioned at lathe spindle, one end face of push rod and an end in contact of pushing sleeve, be provided with collet in the pushing sleeve, the outer conical surface of the internal conical surface of the other end of pushing sleeve and the end of collet is adaptive, is provided with stop pin between pushing sleeve and the collet; In collet, be provided with positioning sleeve, be provided with spring between positioning sleeve and the collet, flexibly connect between positioning sleeve and the collet; Pushing sleeve is provided with spacer shell outward, and spacer shell is fixed on the lathe spindle, is provided with trundle between spacer shell and the pushing sleeve.
Wherein, the interlude of described positioning sleeve outer surface is provided with external screw thread, and the inner surface of collet is provided with adaptive with it internal thread, and is provided with lock-screw in the threaded connection place of the two; Part length according to processing requires to adjust axial location, and the back of adjusting to the right place is with lock-screw locking, to guarantee the accurately reliable of axial location.
Wherein, the contact jaw of described pushing sleeve and push rod is provided with three grades of steps, and three grades of steps contact with spacer shell with push rod, lathe spindle end respectively.
Wherein, described spacer shell comprises the flange that is installed in the lathe spindle end, is fixed on the adapter sleeve on the flange, and the end of adapter sleeve is provided with end cap, and described trundle is located between adapter sleeve and the pushing sleeve; Between described flange and the lathe spindle, between flange and the adapter sleeve, all adopt bolting to be connected between adapter sleeve and the end cap; Bolt connects and can dismantle easily, is convenient to change different collets, thereby makes a lathe satisfy the processing of the part of a plurality of specifications.
Operation principle of the present utility model is: the push rod that is connected with the power source of lathe spindle rear end (can realize the device that push rod moves as angling cylinder, rotary cylinder or other) moves axially, the promotion pushing sleeve advances, the pushing sleeve extrusion spring produces distortion, the inner conical surface of pushing sleeve one end tightens up the collet aperture, thereby clamps part; Power source pulling push rod retreats, and at this moment, the moving pushing sleeve of trying hard to recommend that the distortion of spring produces moves backward, and then makes collet unclamp part.Positioning sleeve is connected with collet by screw thread, and it can adjust the axial location of part, and the back of adjusting to the right place has guaranteed the accurately reliable of axial location by lock-screw locking.
Beneficial effect: (1) collet apparatus structure of the present utility model is simple, and low cost of manufacture can be come clamping than the major diameter part by changing collet on the main shaft of small dimension lathe, thereby enlarged the scope of application of lathe.(2) positioning sleeve that is located in the collet can be adjusted according to the length of part to be processed, thereby carries out axial location, has guaranteed the precision of processing parts length dimension.
Description of drawings
Fig. 1 is the structural representation of the clamp mechanism that has collet of prior art.
Fig. 2 is a structural representation of the present utility model
The specific embodiment:
Below in conjunction with accompanying drawing the utility model is described further.
Be illustrated in figure 1 as the existing clamp mechanism that has collet, its push rod 1, pushing sleeve 2 and collet 3 all are located in the lathe spindle, and an end of part to be processed stretches in the collet 3, are clamped by collet 3.The external diameter of part needs adaptive with the internal diameter of collet 3, and collet 3 is installed in the lathe spindle, so the processing dimension of workpiece is subjected to the restriction of main shaft size; And existing clamp mechanism can not guarantee processing parts length dimension precision.
As shown in Figure 2, for a kind of collet device that has the axial location function of the present utility model, comprise push rod 1, pushing sleeve 2, collet 3, stop pin 4, positioning sleeve 5, spring 6, trundle 7, lock-screw 8, flange 9, adapter sleeve 10 and end cap 11.Push rod 1 is located in the lathe spindle, and an end of push rod 1 links to each other with the actuating unit of lathe, and the end face of the other end of push rod 1 contacts with the left end of pushing sleeve 2.
Be provided with collet 3 in the pushing sleeve 2, the outer conical surface of the internal conical surface of the right-hand member inner chamber of pushing sleeve 2 and the end of collet 3 is adaptive, and the described conical surface is abducent bell mouth shape, is provided with stop pin 4 between pushing sleeve 2 and the collet 3.Be provided with positioning sleeve 5 in collet 3, the left end inner chamber of positioning sleeve 5 is provided with an annular groove, is provided with spring 6 between annular groove and collet 3.Flexibly connect between positioning sleeve 5 and the collet 3, promptly the interlude at described positioning sleeve 5 outer surfaces is provided with one section external screw thread, and the inner surface of collet 3 is provided with adaptive with it internal thread, and the two is threaded; And be provided with lock-screw 8 in the threaded connection place of the two, adjust axial location according to the part length of processing, the back of adjusting to the right place is with lock-screw 8 lockings, to guarantee the accurately reliable of axial location.
Be provided with spacer shell outside the pushing sleeve 2, described spacer shell comprises the flange 9 that is installed in the lathe spindle end, is fixed on the adapter sleeve 10 on the flange 9, and the end of adapter sleeve 10 is provided with end cap 11, and described trundle 7 is located between adapter sleeve 10 and the pushing sleeve 2.Between described flange 9 and the lathe spindle, between flange 9 and the adapter sleeve 10, all adopt bolting to be connected between adapter sleeve 10 and the end cap 11; Bolt connects and can dismantle easily, is convenient to change different collet 3.Pushing sleeve 2 is provided with three grades of steps with the contact jaw of push rod 1, and three grades of steps contact with the adapter sleeve 10 of push rod 1, lathe spindle end and spacer shell respectively.
Lathe spindle drives flange 9, and then drives adapter sleeve mounted thereto 10, end cap 11 and rotate together; Driving pushing sleeve 2 by trundle 7 rotates; Because the lock-screw 8 between stop pin 4, collet 3 and the positioning sleeve 5 between pushing sleeve 2 and the collet 3, pushing sleeve 2, collet 3, positioning sleeve 5 and be fixed on part on the collet 3 together with the lathe spindle coaxial rotation.In order to prevent iron filings, between positioning sleeve 5 and the collet 3, be provided with sealing ring between push rod 1 and the lathe spindle.
The above only is a preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, the technical scheme that these improvements and modifications and employing are equal to replacement or equivalent transformation formation all should be considered as protection domain of the present utility model.
Claims (5)
1. collet device that has the axial location function, it is characterized in that: comprise the push rod (1) that is positioned at lathe spindle, one end in contact of one end face of push rod (1) and pushing sleeve (2), be provided with collet (3) in the pushing sleeve (2), the outer conical surface of the end of the internal conical surface of the other end of pushing sleeve (2) and collet (3) is adaptive, is provided with stop pin (4) between pushing sleeve (2) and the collet (3); In collet (3), be provided with positioning sleeve (5), be provided with spring (6) between positioning sleeve (5) and the collet (3), flexibly connect between positioning sleeve (5) and the collet (3); Pushing sleeve (2) is outer to be provided with spacer shell, and spacer shell is fixed on the lathe spindle, is provided with trundle (7) between spacer shell and the pushing sleeve (2).
2. the collet device that has the axial location function according to claim 1, it is characterized in that: the interlude of described positioning sleeve (5) outer surface is provided with external screw thread, the inner surface of collet (3) is provided with adaptive with it internal thread, and is provided with lock-screw (8) in the threaded connection place of the two.
3. the collet device that has the axial location function according to claim 1 is characterized in that: described pushing sleeve (2) is provided with three grades of steps with the contact jaw of push rod (1), and three grades of steps contact with spacer shell with push rod (1), lathe spindle end respectively.
4. the collet device that has the axial location function according to claim 1, it is characterized in that: described spacer shell comprises the flange (9) that is installed in the lathe spindle end, be fixed on the adapter sleeve (10) on the flange (9), the end of adapter sleeve (10) is provided with end cap (11), and described trundle (7) is located between adapter sleeve (10) and the pushing sleeve (2).
5. the collet device that has the axial location function according to claim 4 is characterized in that: between described flange (9) and the lathe spindle, between flange (9) and the adapter sleeve (10), all adopt bolting to be connected between adapter sleeve (10) and the end cap (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200449693U CN201505736U (en) | 2009-06-08 | 2009-06-08 | Spring chuck device with axial positioning function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200449693U CN201505736U (en) | 2009-06-08 | 2009-06-08 | Spring chuck device with axial positioning function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201505736U true CN201505736U (en) | 2010-06-16 |
Family
ID=42466871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200449693U Expired - Fee Related CN201505736U (en) | 2009-06-08 | 2009-06-08 | Spring chuck device with axial positioning function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201505736U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102873572A (en) * | 2011-07-13 | 2013-01-16 | 贵州航天精工制造有限公司 | Positioning method for workpiece of numerically controlled lathe and device employed in positioning method |
| CN103785871A (en) * | 2014-02-17 | 2014-05-14 | 广州中国科学院先进技术研究所 | Automatic bar clamping device |
| CN104191295A (en) * | 2014-09-10 | 2014-12-10 | 芜湖市甬微制冷配件制造有限公司 | Lathe chuck |
| CN106141233A (en) * | 2016-08-03 | 2016-11-23 | 上海工程技术大学 | A kind of clutch hub turning clamp in automatic gearbox |
| CN110434364A (en) * | 2018-12-24 | 2019-11-12 | 西安成立航空制造有限公司 | A kind of accurate digital control arranges automobile-used clamping device and its application method |
| CN112705968A (en) * | 2020-11-30 | 2021-04-27 | 广东鼎泰机器人科技有限公司 | Automatic locking universal material clamping mechanism for multi-station milling cutter processing machine |
| CN112846842A (en) * | 2020-11-30 | 2021-05-28 | 广东鼎泰机器人科技有限公司 | Rotation control center mechanism of multi-station milling cutter processing machine |
-
2009
- 2009-06-08 CN CN2009200449693U patent/CN201505736U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102873572A (en) * | 2011-07-13 | 2013-01-16 | 贵州航天精工制造有限公司 | Positioning method for workpiece of numerically controlled lathe and device employed in positioning method |
| CN103785871A (en) * | 2014-02-17 | 2014-05-14 | 广州中国科学院先进技术研究所 | Automatic bar clamping device |
| CN104191295A (en) * | 2014-09-10 | 2014-12-10 | 芜湖市甬微制冷配件制造有限公司 | Lathe chuck |
| CN106141233A (en) * | 2016-08-03 | 2016-11-23 | 上海工程技术大学 | A kind of clutch hub turning clamp in automatic gearbox |
| CN110434364A (en) * | 2018-12-24 | 2019-11-12 | 西安成立航空制造有限公司 | A kind of accurate digital control arranges automobile-used clamping device and its application method |
| CN110434364B (en) * | 2018-12-24 | 2024-04-30 | 西安成立航空制造有限公司 | Clamping device for precise numerical control row truck and application method thereof |
| CN112705968A (en) * | 2020-11-30 | 2021-04-27 | 广东鼎泰机器人科技有限公司 | Automatic locking universal material clamping mechanism for multi-station milling cutter processing machine |
| CN112846842A (en) * | 2020-11-30 | 2021-05-28 | 广东鼎泰机器人科技有限公司 | Rotation control center mechanism of multi-station milling cutter processing machine |
| CN112846842B (en) * | 2020-11-30 | 2022-10-11 | 广东鼎泰机器人科技有限公司 | Rotation control center mechanism of multi-station milling cutter processing machine |
| CN112705968B (en) * | 2020-11-30 | 2022-10-11 | 广东鼎泰机器人科技有限公司 | Automatic locking universal clamping mechanism for multi-station milling cutter processing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100616 Termination date: 20130608 |