CN204053147U - Machine tool center device and use the lathe of this Finial device - Google Patents
Machine tool center device and use the lathe of this Finial device Download PDFInfo
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- CN204053147U CN204053147U CN201420483654.XU CN201420483654U CN204053147U CN 204053147 U CN204053147 U CN 204053147U CN 201420483654 U CN201420483654 U CN 201420483654U CN 204053147 U CN204053147 U CN 204053147U
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- installing hole
- tail spindle
- sleeve
- tailstock
- top installing
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Abstract
The utility model provides a kind of machine tool center device and uses the lathe of this Finial device, lathe comprise chuck table and and Finial device, Finial device comprises tailstock and tail spindle, tailstock is provided with top installing hole, the coaxial gap of tail spindle is assemblied in top installing hole, the hole wall of top installing hole is distributed with at least two group radial supporting mechanisms along top installing hole axially spaced-apart, often organize radial supporting mechanism and include at least three along the top installing hole circumference adjustment screw of spinning on top installing hole hole wall uniformly at intervals, adjustment screw extends along top installing hole radial direction, adjustment screw have top be pressed on tail spindle outer peripheral face to tail spindle position of center line carry out adjustment location with the top pressure side making the centre of gyration line of the center line of tail spindle and described chuck table coaxially arranged.By radial supporting mechanism, radial position adjustment is carried out to tail spindle, make the center line of tail spindle again coaxially arranged with the centre of gyration line of chuck table, ensure clamping precision.
Description
Technical field
The utility model belongs to Machining Technology field, is specifically related to a kind of machine tool center device and uses the lathe of this Finial device.
background technology
For the soft flank of tooth and Medium Hardness Tooth Surface Gear, gear hobbing process is the final manufacturing procedure of teeth portion, is also the most key factor determining the accuracy of gear, therefore, has along strict technological requirement when gear hobbing process to endoporus and end face.Usually the hobbing method for processing for gear axial workpiece is: one end adopts if Authorization Notice No. is that Finial device disclosed in the Chinese utility model patent of CN203610791U and gear shaft centre bore carry out centralized positioning, and the other end is positioned by the chuck on workbench and driven.Finial device comprises the tailstock be arranged on tailstock slide plate, on tailstock, axial location is equipped with tail spindle, herein axial location assembling refer to tail spindle in the axial direction with tailstock orientation assemble, the end of tail spindle is provided with cone point, during use, the cone of tail spindle point and the centre bore of gear shaft to be processed coincide inserting.
Under normal circumstances, gear hobbing lathe is top when dispatching from the factory is arranged concentric with the centre of gyration that is workbench, but along with its precision of loss of lathe in use procedure reduces gradually, toply can depart from work table rotation center gradually, this is now adopted toply to carry out gear hobbing process again, its accuracy of gear can be difficult to ensure, finally causes the harmful effects such as transmission device noise is large, transmission is steady, transmission efficiency is low.
Summary of the invention
The utility model provides the machine tool center device at the top center of a kind of adjustable, to solve in prior art along with the top in use tail spindle center line of machine tool accuracy reduction departs from the technical problem of platen upper chuck centre of gyration line gradually; Meanwhile, this use is novel also provides a kind of lathe using above-mentioned Finial device.
The technical scheme of machine tool center device provided by the utility model is: machine tool center device, comprise tailstock and axial location and be assemblied in tail spindle on tailstock, the end of tail spindle is provided with cone point, described tailstock is provided with top installing hole, the coaxial gap of tail spindle is assemblied in top installing hole, the cone point of tail spindle passes top installing hole, the hole wall of top installing hole is distributed with at least two group radial supporting mechanisms along top installing hole axially spaced-apart, often organize radial supporting mechanism and include at least three along the top installing hole circumference adjustment screw of spinning on top installing hole hole wall uniformly at intervals, adjustment screw extends along top installing hole radial direction, adjustment screw has top and is pressed on tail spindle outer peripheral face to carry out adjusting the top pressure side of location to tail spindle position of center line.
Described top installing hole is the endoporus of the installing sleeve described tailstock being installed with or being rotatably equipped with, installing sleeve sets firmly or rotates and is assemblied in sleeve installing hole that described tailstock is provided with, installing sleeve has and extends two of sleeve installing hole two ends and stretch out cylinder section, and two stretch out radial supporting mechanism cylinder section is respectively equipped with described at least one group.
Described installing sleeve is installed in the sleeve installing hole that described tailstock is provided with by interference fit.
Be provided with between described tail spindle and top installing hole and make tail spindle axial location be assemblied in axial positioning structure on tailstock, the block step that the inner tube wall that axial positioning structure comprises locking nut and installing sleeve is provided with, the deviating from described locking nut with the spacing step surface coordinated of tail spindle block and arrange of block step.
The technical scheme of the lathe of the above-mentioned Finial device of use provided by the utility model is: lathe, the Finial device comprising chuck table and arrange with the coaxial corresponding matching of chuck table, Finial device comprises tailstock and axial location and is assemblied in tail spindle on tailstock, the end of tail spindle is provided with cone point, described tailstock is provided with top installing hole, the coaxial gap of tail spindle is assemblied in top installing hole, the cone point of tail spindle passes top installing hole, the hole wall of top installing hole is distributed with at least two group radial supporting mechanisms along top installing hole axially spaced-apart, often organize radial supporting mechanism and include at least three along the top installing hole circumference adjustment screw of spinning on top installing hole hole wall uniformly at intervals, adjustment screw extends along top installing hole radial direction, adjustment screw have top be pressed on tail spindle outer peripheral face to tail spindle position of center line carry out adjustment location with the top pressure side making the centre of gyration line of the center line of tail spindle and described chuck table coaxially arranged.
Described top installing hole is the endoporus of the installing sleeve described tailstock being installed with or being rotatably equipped with, installing sleeve sets firmly or rotates and is assemblied in sleeve installing hole that described tailstock is provided with, installing sleeve has and extends two of sleeve installing hole two ends and stretch out cylinder section, and two stretch out radial supporting mechanism cylinder section is respectively equipped with described at least one group.
Described installing sleeve is installed in the sleeve installing hole that described tailstock is provided with by interference fit.
Be provided with between described tail spindle and top installing hole and make tail spindle axial location be assemblied in axial positioning structure on tailstock, the block step that the inner tube wall that axial positioning structure comprises locking nut and installing sleeve is provided with, the deviating from described locking nut with the spacing step surface coordinated of tail spindle block and arrange of block step.
The beneficial effects of the utility model are: machine tool center device provided by the utility model is when being applied on lathe, the adjustment screw in radial supporting mechanism is respectively organized in turn, the pressure side top, top of adjustment screw is pressed on the outer peripheral face of tail spindle, the each adjustment screw of logical rotation can drive tail spindle to carry out position adjustment diametrically, ensure that the work center line of center line and the machine chuck workbench of tail spindle is coaxially arranged, the positional precision of guarantee tail spindle.Even if machine tool accuracy reduces and causes the center line of tail spindle to depart from the centre of gyration line of chuck table, also radial position adjustment can be carried out by radial supporting mechanism to tail spindle, make the center line of tail spindle again coaxially arranged with the centre of gyration line of chuck table, the positional precision of effective guarantee tail spindle, ensures the machining accuracy to workpiece.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of the lathe with Finial device provided by the utility model;
Fig. 2 is A place enlarged drawing in Fig. 1.
Detailed description of the invention
As Fig. 1, shown in Fig. 2, a kind of embodiment of the lathe with Finial device, the Finial device that lathe in this embodiment comprises chuck table 7 and arranges with the coaxial corresponding matching of centre of gyration line of chuck table 7, Finial device comprises tailstock 8 and axial location and is assemblied in tail spindle 5 on tailstock 8, the end of tail spindle 5 is provided with cone point, tailstock 8 in the sleeve installing hole be provided be fixedly installed installing sleeve 3 by the mode of interference fit, tail spindle 5 is arranged in installing sleeve 3, the endoporus of installing sleeve 3 is in the top installing hole assembled with described tail spindle concentric gap, the cone point of tail spindle 5 passes top installing hole, and, installing sleeve 3 have extend sleeve installing hole two ends on stretch out cylinder section 31 and under stretch out cylinder section 32, and the barrel stretching out cylinder section 31 on installing sleeve 3 is provided with radial supporting mechanism 2, and under stretch out cylinder section 32 barrel be provided with lower radial supporting mechanism 4, upper radial supporting mechanism 2 comprises four along the installing sleeve 3 circumference upper adjustment screw 21 of spinning on corresponding barrel spaced apart, and lower radial supporting mechanism 4 comprises four along the installing sleeve 3 circumference lower adjustment screw 41 of spinning on corresponding barrel spaced apart, on, lower adjustment screw all extends along the radial direction of installing sleeve, and on, lower adjustment screw all has top and is pressed on tail spindle outer peripheral face and carries out adjusting location to make tail spindle and the coaxially arranged top pressure side of described chuck table 7 to tail spindle position of center line.
In the present embodiment, be provided with between tail spindle 5 and installing sleeve 3 and make tail spindle 5 axial location be assemblied in axial positioning structure on tailstock, the block step that the inner tube wall that axial positioning structure comprises locking nut 1 and installing sleeve 3 is provided with, the deviating from described locking nut 1 with the spacing step surface coordinated of tail spindle 5 block and arrange of block step.
When using above-mentioned lathe to carry out gear hobbing process to gear shaft 6, rotate the adjustment screw in upper and lower radial supporting mechanism, the adjustment screw top spivot 5 that bears down on one moves, the centre of gyration line of the center line of tail spindle 5 and lathe upper chuck workbench 7 is coaxially arranged, then by gear shaft 6 clamping between chuck table 7 and Finial device, specifically by the cone point of tail spindle 5 and the centre bore inserting of gear shaft 6, chuck table 7 together rotates with gear shaft 6, completes the gear hobbing process to gear shaft 6.Owing to realizing supporting the radial location of tail spindle at installing sleeve by radial supporting mechanism, the center line of adjustment tail spindle is coaxial with the centre of gyration line of chuck table, ensures the clamping precision to eating wheel shaft.
In above-described embodiment, lathe is gear hobbing lathe gear shaft being carried out to gear hobbing process, and in other embodiments, lathe also can be other lathes, as long as this lathe needs to be applied to above-mentioned Finial device and chuck table carries out Set and Positioning to workpiece.
In above-described embodiment, the sleeve that the installing sleeve in Finial device is installed in tailstock by the mode of interference fit is installed in installing hole, in other embodiments, and also can by weld or the mode such as riveted joint realizes the fixing assembling of installing sleeve and tailstock.Certainly, the sleeve installing hole on installing sleeve and tailstock also can be made to rotate and to assemble, specifically directly can rotate assembling or be assembled by the rotation that rolling bearing realizes installing sleeve and tailstock.
In above-described embodiment, tailstock arranges sleeve installing hole to arrange installing sleeve, now, the endoporus of installing sleeve is top installing hole.In other embodiments, also can save installing sleeve, and on tailstock, integrally be preset with top installing hole, during assembling, be assemblied in gap coaxial for tail spindle in top installing hole, the equal spinning of adjustment screw of upper and lower radial supporting mechanism is on the hole wall of top installing hole.
In above-described embodiment, radial supporting mechanism is distributed with two groups along the axially spaced-apart of tail spindle, in other embodiments, also can arrange more than three groups as required.
In above-described embodiment, each radial supporting mechanism comprises four around circumference adjustment screw uniformly at intervals, and in other embodiments, the adjustment screw that also can arrange more than three or five carries out support adjustment to tail spindle.
The utility model also provides a kind of machine tool center device, and the structure of the Finial device in this embodiment is identical with the structure of the Finial device in Fig. 1, Fig. 2, does not repeat them here.
Claims (8)
1. machine tool center device, comprise tailstock and axial location and be assemblied in tail spindle on tailstock, the end of tail spindle is provided with cone point, it is characterized in that: described tailstock is provided with top installing hole, the coaxial gap of tail spindle is assemblied in top installing hole, the cone point of tail spindle passes top installing hole, the hole wall of top installing hole is distributed with at least two group radial supporting mechanisms along top installing hole axially spaced-apart, often organize radial supporting mechanism and include at least three along the top installing hole circumference adjustment screw of spinning on top installing hole hole wall uniformly at intervals, adjustment screw extends along top installing hole radial direction, adjustment screw has top and is pressed on tail spindle outer peripheral face to carry out adjusting the top pressure side of location to tail spindle position of center line.
2. machine tool center device according to claim 1, it is characterized in that: described top installing hole is the endoporus of the installing sleeve described tailstock being installed with or being rotatably equipped with, installing sleeve sets firmly or rotates and is assemblied in sleeve installing hole that described tailstock is provided with, installing sleeve has and extends two of sleeve installing hole two ends and stretch out cylinder section, and two stretch out radial supporting mechanism cylinder section is respectively equipped with described at least one group.
3. machine tool center device according to claim 2, is characterized in that: described installing sleeve is installed in the sleeve installing hole that described tailstock is provided with by interference fit.
4. the machine tool center device according to claim 1 or 2 or 3, it is characterized in that: be provided with between described tail spindle and top installing hole and make tail spindle axial location be assemblied in axial positioning structure on tailstock, the block step that the inner tube wall that axial positioning structure comprises locking nut and installing sleeve is provided with, the deviating from described locking nut with the spacing step surface coordinated of tail spindle block and arrange of block step.
5. lathe, the Finial device comprising chuck table and arrange with the coaxial corresponding matching of chuck table, Finial device comprises tailstock and axial location and is assemblied in tail spindle on tailstock, the end of tail spindle is provided with cone point, it is characterized in that: described tailstock is provided with top installing hole, the coaxial gap of tail spindle is assemblied in top installing hole, the cone point of tail spindle passes top installing hole, the hole wall of top installing hole is distributed with at least two group radial supporting mechanisms along top installing hole axially spaced-apart, often organize radial supporting mechanism and include at least three along the top installing hole circumference adjustment screw of spinning on top installing hole hole wall uniformly at intervals, adjustment screw extends along top installing hole radial direction, adjustment screw have top be pressed on tail spindle outer peripheral face to tail spindle position of center line carry out adjustment location with the top pressure side making the centre of gyration line of the center line of tail spindle and described chuck table coaxially arranged.
6. lathe according to claim 5, it is characterized in that: described top installing hole is the endoporus of the installing sleeve described tailstock being installed with or being rotatably equipped with, installing sleeve sets firmly or rotates and is assemblied in sleeve installing hole that described tailstock is provided with, installing sleeve has and extends two of sleeve installing hole two ends and stretch out cylinder section, and two stretch out radial supporting mechanism cylinder section is respectively equipped with described at least one group.
7. lathe according to claim 6, is characterized in that: described installing sleeve is installed in the sleeve installing hole that described tailstock is provided with by interference fit.
8. the lathe according to claim 5 or 6 or 7, it is characterized in that: be provided with between described tail spindle and top installing hole and make tail spindle axial location be assemblied in axial positioning structure on tailstock, the block step that the inner tube wall that axial positioning structure comprises locking nut and installing sleeve is provided with, the deviating from described locking nut with the spacing step surface coordinated of tail spindle block and arrange of block step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420483654.XU CN204053147U (en) | 2014-08-26 | 2014-08-26 | Machine tool center device and use the lathe of this Finial device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420483654.XU CN204053147U (en) | 2014-08-26 | 2014-08-26 | Machine tool center device and use the lathe of this Finial device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204053147U true CN204053147U (en) | 2014-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420483654.XU Active CN204053147U (en) | 2014-08-26 | 2014-08-26 | Machine tool center device and use the lathe of this Finial device |
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| CN (1) | CN204053147U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108856744A (en) * | 2018-06-22 | 2018-11-23 | 哈挺精密机械（嘉兴）有限公司 | A kind of tailstock tool of the top drive adjusting device of band |
| CN113635042A (en) * | 2020-04-27 | 2021-11-12 | 马勒国际有限公司 | Device for positioning at least one shaft |
-
2014
- 2014-08-26 CN CN201420483654.XU patent/CN204053147U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108856744A (en) * | 2018-06-22 | 2018-11-23 | 哈挺精密机械（嘉兴）有限公司 | A kind of tailstock tool of the top drive adjusting device of band |
| CN108856744B (en) * | 2018-06-22 | 2024-03-22 | 哈挺精密机械（嘉兴）有限公司 | Machine tool tailstock with center driving and adjusting device |
| CN113635042A (en) * | 2020-04-27 | 2021-11-12 | 马勒国际有限公司 | Device for positioning at least one shaft |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |