CN204366465U - A kind of positioning fixture for long splined shaft - Google Patents
A kind of positioning fixture for long splined shaft Download PDFInfo
- Publication number
- CN204366465U CN204366465U CN201420813860.2U CN201420813860U CN204366465U CN 204366465 U CN204366465 U CN 204366465U CN 201420813860 U CN201420813860 U CN 201420813860U CN 204366465 U CN204366465 U CN 204366465U
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- CN
- China
- Prior art keywords
- splined shaft
- resilient sleeve
- base
- chuck
- long splined
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a kind of positioning fixture for long splined shaft, comprise pull bar, base and chuck, the two ends of base are threaded pull bar and chuck respectively, collet interior is provided with the accommodation hole holding long splined shaft, accommodation hole internal clearance is combined with resilient sleeve, resilient sleeve extends to chassis interior, the sheathed dead ring of resilient sleeve bottom outer wall, dead ring is fixedly connected with pull bar with base by axially arranging bolt, positioner is provided with between resilient sleeve and base, positioner comprises T stage and locating centre, locating centre is fixed on T stage, T stage is fixedly connected with base, resilient sleeve is set in locating centre one end near T stage, resilient sleeve is provided with the drill holder for clamping long splined shaft away from the port of base, chuck is also provided with caging bolt.By implementing the utility model, what mainly solve is add man-hour to long splined shaft in prior art, because fixture positioning precision is not high, axis body can be made to produce violent oscillatory motion, thus affect crudy.
Description
Technical field
The utility model is applicable to axle positioning clamp for machining field, refers more particularly to a kind of positioning fixture for long splined shaft.
Background technology
The Main Function of long splined shaft is for transmitting torque.Because its bearing capacity is high, centering is good, guidance quality is good, tooth root is more shallow, stress is concentrated little, axle and the little advantage of hub strength reduction, and the power shaft doing automobile gearbox commonly used by long splined shaft, the spline tooth of this power shaft end is connected with the output of engine, so that the power transmission exported by engine is in gearbox.
At present added to the gear of power shaft end man-hour, usually long splined shaft bottom to be processed is inserted in the centre bore of clamp base and chuck, because power shaft is longer and be up-small and down-big hierarchic structure, so when processing it, axis body can be made to produce violent oscillatory motion, easily there is eccentric situation in workpiece, the gear processed will be caused like this to occur eccentric, thus have a strong impact on crudy, be badly in need of solving the problems of the technologies described above for this reason.
Utility model content
What the utility model mainly solved is add man-hour to long splined shaft in prior art, because fixture positioning precision is not high, axis body can be made to produce violent oscillatory motion, thus affect crudy.
In order to solve the problems of the technologies described above, the utility model provides a kind of positioning fixture for long splined shaft, comprise pull bar, base and chuck, the two ends of base are threaded pull bar and chuck respectively, collet interior is provided with the accommodation hole holding long splined shaft, described accommodation hole internal clearance is combined with resilient sleeve, this resilient sleeve extends to chassis interior, and the sheathed dead ring of resilient sleeve bottom outer wall, this dead ring is fixedly connected with pull bar with base by axially arranging bolt, positioner is provided with between resilient sleeve and base, this positioner comprises T stage and locating centre, locating centre is fixed on T stage, T stage is fixedly connected with base, resilient sleeve is set in locating centre one end near T stage, resilient sleeve is provided with the drill holder for clamping long splined shaft away from the port of base, chuck is also provided with caging bolt, described caging bolt radial direction is threaded on chuck, and run through chuck can be inconsistent with long splined shaft.
As herein described " on " be long splined shaft one end to be processed, corresponding D score is that long splined shaft is by the one end clamped.
Adopt technique scheme, man-hour is being added to the gear of long splined shaft end, one end large for long splined shaft diameter is stretched in resilient sleeve, and stretched in its axis hole by the locating centre be arranged in resilient sleeve and be fixed, because locating centre is fixedly mounted on T stage, T stage is located between resilient sleeve and base, and fix in the base, so operationally, positioner can not all around rock, thus also mitigates the shaking amplitude of long splined shaft.Due to the hierarchic structure that long splined shaft is up-small and down-big, it is little that the interlude shaft diameter of long splined shaft compares its hypomere, fully can not be clamped by resilient sleeve, thus in the upper end of resilient sleeve a sheathed drill holder, realize the abundant clamping to long splined shaft.In addition, in order to more effective, clamping is positioned to long splined shaft, the shaft shoulder place that chuck is positioned at long splined shaft offers the screwed hole passed through for caging bolt, by caging bolt being navigated to the shaft shoulder place of long splined shaft, just it is positioned at collet interior firmly.So, by processing a location of long splined shaft, the mode of a clamping, effectively avoid the violent oscillatory motion of long splined shaft, and the problem that the crudy produced is not good.
Further, the center line of described locating centre and the center line of resilient sleeve keep point-blank, thus realize better locating long splined shaft holding out against.
Further, for the ease of being threaded of chuck and base, be shape outward-dipping from top to bottom by described clip designs.
Further, described chuck has a slotted eye, and worn in resilient sleeve by trip bolt radial direction, thus axial limiting is carried out to resilient sleeve.
Further, in drill holder, be provided with several bar-shaped trough, and several bar-shaped trough is crisscross arranged up and down.Be convenient to when clamped condition, make drill holder have enough space contractions.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
Fig. 1 is the structural representation of the utility model for the positioning fixture of long splined shaft;
Fig. 2 is the positioning device structure schematic diagram of the utility model for the positioning fixture of long splined shaft;
Fig. 3 is the drill holder structural representation of the utility model for the positioning fixture of long splined shaft.
Detailed description of the invention
Reference numeral during accompanying drawing illustrates is: chuck 1, base 2, pull bar 3, resilient sleeve 4, drill holder 5, positioner 6, locating centre 61, T stage 62, dead ring 7, long splined shaft 8, bolt 9, trip bolt 10.
As shown in Figure 1, the technical program provides a kind of positioning fixture for long splined shaft, comprise pull bar 3, base 2 and chuck 1, base 2 is located between pull bar 3 and chuck 1, and the center line between three keeps point-blank, adopt between adjacent two parts and be threaded, be convenient to dismounting, and in order to the steadiness between adjacent two parts, adopt 6 to be threaded, chuck 1 internal clearance is combined with resilient sleeve, and chuck 1 has a slotted eye, and wear in resilient sleeve 4 by trip bolt 10 radial direction, axial limiting is carried out to resilient sleeve 4.It is inner that this resilient sleeve 4 extends to base 2, and the sheathed dead ring 7 of resilient sleeve 4 bottom outer wall, this dead ring 7 is fixedly connected with pull bar 3 with base 2 by axially arranging 4 bolts 9.
As shown in Figure 2 and Figure 3, positioner 6 is provided with between resilient sleeve 4 and base 2, this positioner 6 comprises T stage 62 and locating centre 61, locating centre 61 and T stage 62 adopt one connected mode, T stage 62 is fixedly connected with base 2, it is inner that locating centre 61 is sheathed on resilient sleeve 4, and the center line of the center line of locating centre 61 and resilient sleeve 4 keeps point-blank, resilient sleeve 4 upper port is provided with the drill holder 5 for clamping long splined shaft, be provided with several bar-shaped trough in this drill holder 5, and several bar-shaped trough is for be crisscross arranged up and down.In addition, in order to more effective, clamping is positioned to long splined shaft 8, the shaft shoulder place that chuck 1 is positioned at long splined shaft 8 offers the screwed hole passed through for caging bolt, by caging bolt being navigated to the shaft shoulder place of long splined shaft 8, just it is positioned at firmly chuck 1 inner.
Man-hour is being added to the gear of long splined shaft 8 end, one end large for long splined shaft 8 diameter is stretched in resilient sleeve 4, and stretched in its axis hole by the locating centre 61 be arranged in resilient sleeve 4 and be fixed, because locating centre 61 is fixedly mounted on T stage 62, T stage 62 is located between resilient sleeve 4 and base 2, and is fixed in base 2, so operationally, positioner 6 can not all around rock, thus also mitigates the shaking amplitude of long splined shaft 8.Because long splined shaft 8 is up-small and down-big hierarchic structure, as can be seen from Figure 1, it is little that the interlude shaft diameter of long splined shaft 8 compares its hypomere, fully can not be clamped by resilient sleeve 4, thus in the upper end of resilient sleeve 4 a sheathed drill holder 5, realize the abundant clamping to long splined shaft 8, so, by processing a location of long splined shaft 8, the mode of a clamping, effectively avoid the violent oscillatory motion of long splined shaft 8, and the problem that the crudy produced is not good.
Above-described is only preferred embodiment of the present utility model; should be understood that; for a person skilled in the art; under the prerequisite not departing from the utility model structure; some distortion and improvement can also be made; these also should be considered as protection domain of the present utility model, and these all can not affect effect and the practical applicability of the utility model enforcement.
Claims (5)
1. the positioning fixture for long splined shaft, comprise pull bar, base and chuck, the two ends of base are threaded pull bar and chuck respectively, it is characterized in that, collet interior is provided with the accommodation hole holding long splined shaft, described accommodation hole internal clearance is combined with resilient sleeve, this resilient sleeve extends to chassis interior, and the sheathed dead ring of resilient sleeve bottom outer wall, this dead ring is fixedly connected with pull bar with base by axially arranging bolt, positioner is provided with between resilient sleeve and base, this positioner comprises T stage and locating centre, locating centre is fixed on T stage, T stage is fixedly connected with base, resilient sleeve is set in locating centre one end near T stage, resilient sleeve is provided with the drill holder for clamping long splined shaft away from the port of base, chuck is also provided with caging bolt, described caging bolt radial direction is threaded on chuck, and run through chuck can be inconsistent with long splined shaft.
2. a kind of positioning fixture for long splined shaft according to claim 1, is characterized in that, the center line of described locating centre and the center line of resilient sleeve keep point-blank.
3. a kind of positioning fixture for long splined shaft according to claim 1, is characterized in that, described chuck is shape outward-dipping from top to bottom.
4. a kind of positioning fixture for long splined shaft according to claim 1, is characterized in that, described chuck has a slotted eye, and worn in resilient sleeve by trip bolt radial direction.
5. a kind of positioning fixture for long splined shaft according to claim 1, it is characterized in that, be provided with several bar-shaped trough in described drill holder, and several bar-shaped trough is crisscross arranged up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420813860.2U CN204366465U (en) | 2014-12-21 | 2014-12-21 | A kind of positioning fixture for long splined shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420813860.2U CN204366465U (en) | 2014-12-21 | 2014-12-21 | A kind of positioning fixture for long splined shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204366465U true CN204366465U (en) | 2015-06-03 |
Family
ID=53322713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420813860.2U Expired - Fee Related CN204366465U (en) | 2014-12-21 | 2014-12-21 | A kind of positioning fixture for long splined shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204366465U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106180914A (en) * | 2016-08-31 | 2016-12-07 | 宁波菲仕运动控制技术有限公司 | A kind of female splined shaft gear-shaping clamp |
| CN109352363A (en) * | 2018-12-10 | 2019-02-19 | 中国航发贵州黎阳航空动力有限公司 | Positioning tool and processing method for vertical gear hobbing process double-headed spline shaft |
-
2014
- 2014-12-21 CN CN201420813860.2U patent/CN204366465U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106180914A (en) * | 2016-08-31 | 2016-12-07 | 宁波菲仕运动控制技术有限公司 | A kind of female splined shaft gear-shaping clamp |
| CN109352363A (en) * | 2018-12-10 | 2019-02-19 | 中国航发贵州黎阳航空动力有限公司 | Positioning tool and processing method for vertical gear hobbing process double-headed spline shaft |
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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: 20150603 Termination date: 20171221 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |