CN203738036U - Lathe workpiece coaxiality adjusting device - Google Patents
Lathe workpiece coaxiality adjusting device Download PDFInfo
- Publication number
- CN203738036U CN203738036U CN201420087645.9U CN201420087645U CN203738036U CN 203738036 U CN203738036 U CN 203738036U CN 201420087645 U CN201420087645 U CN 201420087645U CN 203738036 U CN203738036 U CN 203738036U
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- CN
- China
- Prior art keywords
- centering wheel
- wheel bar
- bearing
- centering
- adjusting device
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Abstract
The utility model discloses a lathe workpiece coaxiality adjusting device. The lathe workpiece coaxiality adjusting device comprises an alignment part body. The alignment part body comprises an installing block, an alignment wheel bar, a bearing and an alignment wheel. The installing block is tabulate, the alignment wheel bar is of a circular-bar shape, one end of the installing block is fixedly connected with one end of the alignment wheel bar, the length direction of the installing block is parallel to the axis direction of the alignment wheel bar, the alignment wheel is of a cone-frustum shape, the inner ring of the bearing is fixedly connected to the alignment wheel bar, a through hole is formed in the height direction of the alignment wheel, the outer ring of the bearing and the through hole are in interference fit, and the center line of the alignment wheel and the center line of the alignment wheel bar are collinear. The lathe workpiece coaxiality adjusting device is long in service life, the influence on lathe turning tool clamping is avoided, workpiece alignment is achieved at a time, coaxiality adjusting quality and efficiency are high, and the lathe workpiece coaxiality adjusting device has high adaptability to various workpieces to be turned.
Description
Technical field
The utility model relates to car lathe processing auxiliary equipment field, particularly relates to a kind of lathe workpiece axiality adjusting device.
Background technology
Lathe is the lathe that mainly with lathe tool, the workpiece of rotation is carried out to turning processing, and it is the indispensable pipeline of petroleum chemical industry, equipment process equipment.
In the prior art, lathe uses chuck to realize the fixing of parts to be processed more.For making workpiece and lathe rotating shaft there is good axiality, to obtain good machining accuracy, workpiece to be processed is generally wanted first on chuck, to clamp in advance, the rotary motion trace of then observing workpiece in the situation that the lathe spindle slow-speed of revolution is rotated, if the radial direction workpiece at workpiece has larger swing, need adjust by again clamping or workpiece is rapped the methods such as operation the axiality of workpiece and main shaft.During above operating cost, and the size of beating point and percussion power is high to lathe operation personnel's experience requirement, is unfavorable for the turning working (machining) efficiency of lathe.
Utility model content
Time-consuming for above-mentioned existing lathe structure adjustment workpiece and lathe rotating shaft axiality, and lathe operation personnel's experience is required to high problem, the utility model provides a kind of lathe workpiece axiality adjusting device.
For addressing the above problem, a kind of lathe workpiece axiality adjusting device that the utility model provides solves problem by following technical essential: a kind of lathe workpiece axiality adjusting device, comprise centering portion body, described centering portion body comprises mounting blocks, centering wheel bar, bearing and centering wheel, described mounting blocks is tabular, centering wheel bar is round bar shape, one end of mounting blocks is fixedly connected with one end of centering wheel bar, and the length direction of mounting blocks is parallel with the axis direction of centering wheel bar, centering wheel is circular cone shape, the inner ring of bearing is fixedly connected on centering wheel bar, on centering wheel, be provided with the through hole along its short transverse, the outer ring of bearing becomes interference fit with described through hole, and the centerline collineation of centering wheel and centering wheel bar.
The utility model is for cylindrical work centering in bed.Concrete, the mounting blocks arranging is seated on the lathe tool mounting platform of knife rest, by hold-down bolt on knife rest, realize the fixing of the utility model and knife rest, workpiece pretension to be processed is on lathe chuck, after above operating procedure completes, brake lathe main shaft makes it slow circumvolve, cross slide by mobile lathe makes knife rest move to chuck direction again, in mobile process, centering roller contacts with surface of the work, interaction force between workpiece and centering roller is realized workpiece with respect to the adjustment at lathe chuck inclination angle, with make workpiece and automatically adjust at short notice the axiality good with lathe spindle.In use, the outer ring of bearing rotates with workpiece above version, can avoid like this relative motion of centering wheel and workpiece, bearing inner race and centering wheel bar that surface of the work, centering wheel bar are sustained damage.
Further technical scheme is:
Also comprise the first nut, axle sleeve and the second nut, on described centering wheel bar, be provided with external screw thread, described axle sleeve is embedded in the inner ring of bearing and becomes interference fit with the inner ring of bearing, described axle sleeve is enclosed within outward on centering wheel bar, and the gap between axle sleeve and centering wheel bar is not more than 0.2mm, the first nut becomes to be threaded with centering wheel bar with the second nut, and axle sleeve is between the first nut and the second nut.
In more than arranging, centering is taken turns bar and is set to external thread rod, is convenient to adjust the position of centering wheel on centering wheel bar, and centering wheel is with respect to the distance of knife rest.Because only can utilizing the round sides of workpiece to carry out workpiece axiality, the utility model automatically adjusts, and minority workpiece complete clamping after its free end not there is desirable round sides, the first nut arranging and the second nut are for limiting the position of centering wheel on centering wheel bar, and changing the first nut and the second nut screw-threaded engagement point on centering wheel bar can achieve the above object.Centering wheel is with respect to the adjustable setting in bar position of centering wheel, convenient operation personnel are according to the concrete shape of workpiece, the axiality of utilizing best workpiece round sides to complete workpiece is adjusted automatically, and avoids because workpiece free end is too near and cause workpiece and the generation of knife rest collision accident from knife rest; The setting in the gap between axle sleeve and centering wheel bar, makes position conveniently moving, the centering wheel of centering wheel on centering wheel bar high with the axiality of centering wheel bar.
Because the lathe tool installed surface of realizing on knife rest is very easy to respect to lathe spindle is parallel, for radial direction and the workpiece radial direction plane of living in of centering wheel are parallel to each other, also comprise tabular positive stop, described positive stop is fixedly connected on a side of mounting blocks, and positive stop is vertical with respect to mounting blocks.Concrete, between positive stop and mounting blocks, form a right angle angle, when the utility model is installed on knife rest, the right angle good fit of lathe tool erector position on described right angle angle and knife rest, can guarantee that mounting blocks is with respect to lathe tool erector bit parallel.
For ease of processing of the present utility model, described positive stop and mounting blocks are as a whole.
For preventing that the utility model larger impulsive force when centering wheel contacts with workpiece from damage the utility model too early, the joint face smooth transition of described centering wheel bar and mounting blocks.
Due to the moment contacting with workpiece at the utility model with because the concrete shape of workpiece, centering wheel can be subject to the component along its axial direction, for preventing because the compression between centering wheel and bearing not, be convenient to the handling of bearing on centering wheel, on the outer ring at described bearing two ends, be provided with one along the groove of its circumferential direction, in groove, be provided with a circlip for shaft.The circlip for shaft arranging, for limiting the position of centering wheel on bearing, is about to centering wheel and is arranged between two circlips for shaft.Further, bearing adopts ball roller bearing or needle bearing, to obtain enough bearing widths, groove is set and centering wheel is installed.
The utlity model has following beneficial effect:
1, after completing the installation on lathe of the utility model and workpiece, brake lathe main shaft makes it slow circumvolve, cross slide by mobile lathe makes knife rest move to chuck direction again, in mobile process, centering roller contacts with surface of the work, interaction force between workpiece and centering roller is realized workpiece with respect to the adjustment at lathe chuck inclination angle, automatically adjusts at short notice the axiality good with lathe spindle with making workpiece.In use, the outer ring of bearing rotates with workpiece above version, can avoid like this relative motion of centering wheel and workpiece, bearing inner race and centering wheel bar that surface of the work, centering wheel bar are sustained damage; Above operating process once completes, and axiality adjusts the experience that quality does not rely on producers, and axiality adjusts that quality is high and efficiency is high.
2, centering wheel is set to circular cone shape, make the utility model be applicable to workpiece within the scope of certain diameter on lathe chuck with the adjustment of lathe spindle axiality, when workpiece is reducing workpiece, also can realize centering wheel and contact with the optimum position of workpiece by adjusting the installation direction of centering wheel on centering wheel bar, make the utility model treat that to various turning processing work has good adaptive capacity.
3, because lathe saddle itself has a plurality of lathe tools, station is installed, the utility model volume is little, does not affect the installation of other lathe tools on lathe, and lathe is normally cut without impact.
Accompanying drawing explanation
Fig. 1 is the scheme of installation of a specific embodiment of a kind of lathe workpiece axiality adjusting device described in the utility model;
Fig. 2 is the structural representation of a specific embodiment of a kind of lathe workpiece axiality adjusting device described in the utility model;
The structural representation of a specific embodiment of bearing described in Fig. 3 embodiment 5.
Figure acceptance of the bid note is respectively: 1, lathe chuck, 2, workpiece, 3, centering portion body, 31, mounting blocks, 311, positive stop, 32, centering wheel bar, 33, the first nuts, 34, axle sleeve, 35, bearing, 36, centering wheel, the 37, second nut, 4, knife rest.
The specific embodiment
Below in conjunction with embodiment, the utility model is described in further detail, but structure of the present utility model is not limited only to following examples:
Embodiment 1:
As shown in Figure 1 to Figure 3, a kind of lathe workpiece axiality adjusting device, comprise centering portion body 3, described centering portion body 3 comprises mounting blocks 31, centering wheel bar 32, bearing 35 and centering wheel 36, described mounting blocks 31 is tabular, centering wheel bar 32 is round bar shape, one end of mounting blocks 31 is fixedly connected with one end of centering wheel bar 32, and the length direction of mounting blocks 31 is parallel with the axis direction of centering wheel bar 32, centering wheel 36 is circular cone shape, the inner ring of bearing 35 is fixedly connected on centering wheel bar 32, on centering wheel 36, be provided with the through hole along its short transverse, the outer ring of bearing 35 becomes interference fit with described through hole, and the centerline collineation of centering wheel 36 and centering wheel bar 32.
Because the utility model will form larger interaction force between mounting blocks 31 and knife rest 4 in use, in the present embodiment, mounting blocks 31 adopts the martensitic stain less steel that the trade mark is 11Cr17, martensitic stain less steel has good resistant to rust ability, and its hardness is larger, not yielding under the pressure of knife rest 4 hold-down bolts, be conducive to the installation accuracy of the utility model in long-term use procedure; Simultaneously, at centering wheel 36, it is sandwich construction, centering wheel 36 comprises the metal level of internal layer and the elastic layer in outside, metal level adopts wear-resisting high-hardness metal material, elastic layer adopts to be made as polytetrafluoroethylene (PTFE), PVC or the elastomeric material with larger hardness, to reduce the size of the utility model and workpiece 2 Contact the utility model or the suffered impulsive force of workpiece.
Embodiment 2:
The present embodiment is further qualified on the basis of embodiment 1, as shown in Figure 1 to Figure 3, also comprise the first nut 33, axle sleeve 34 and the second nut 37, on described centering wheel bar 32, be provided with external screw thread, described axle sleeve 34 is embedded in the inner ring of bearing 35 and becomes interference fit with the inner ring of bearing 35, described axle sleeve 34 is outer to be enclosed within on centering wheel bar 32, and the gap between axle sleeve 34 and centering wheel bar 32 is not more than 0.2mm, the first nut 33 is threaded with 32 one-tenth, centering wheel bar with the second nut 37, and axle sleeve 34 is between the first nut 33 and the second nut 37.
In more than arranging, centering is taken turns to bar 32 and be set to external thread rod, be convenient to adjust the position of centering wheel 36 on centering wheel bar 32, i.e. centering wheel 36 distances with respect to knife rest 4.Because only can utilizing the round sides of workpiece 2 to carry out workpiece axiality, the utility model automatically adjusts, and minority workpiece 2 complete clamping after its free end not there is desirable round sides, the first nut 33 arranging and the second nut 37 are for limiting the position of centering wheel 36 on centering wheel bar 32, and changing the first nut 33 and the second nut 37 screw-threaded engagement point on centering wheel bar 32 can achieve the above object.Centering wheel 36 is with respect to the adjustable setting in bar 32 positions of centering wheel, convenient operation personnel are according to the concrete shape of workpiece 2, the axiality of utilizing best workpiece round sides to complete workpiece 2 is adjusted automatically, and avoids because workpiece 2 free ends are too near and cause workpiece 2 and knife rest 4 collision accidents generations from knife rest 4; The setting in the gap between axle sleeve 34 and centering wheel bar 32, makes position conveniently moving, the centering wheel 36 of centering wheel 36 on centering wheel bar 32 high with the axiality of centering wheel bar 32.
Embodiment 3:
The present embodiment is further qualified on the basis of embodiment 1, as shown in Figure 1 to Figure 3, because the lathe tool installed surface of realizing on knife rest 4 is very easy to respect to lathe spindle is parallel, for radial direction and the workpiece 2 radial direction plane of living in of centering wheel 36 are parallel to each other, also comprise tabular positive stop 311, described positive stop 311 is fixedly connected on a side of mounting blocks 31, and positive stop 311 is vertical with respect to mounting blocks 31.Concrete, between positive stop 311 and mounting blocks 31, form a right angle angle, when the utility model is installed on knife rest 4, the right angle good fit of lathe tool erector position on described right angle angle and knife rest 4, can guarantee that mounting blocks 31 is with respect to lathe tool erector bit parallel.
For ease of processing of the present utility model, described positive stop 311 is as a whole with mounting blocks 31.
Embodiment 4:
The present embodiment is further qualified on the basis of embodiment 1, as shown in Figure 1 to Figure 3, for preventing that the utility model larger impulsive force when centering wheel 36 contacts with workpiece from damage the utility model too early, the joint face smooth transition of described centering wheel bar 36 and mounting blocks 31.
Embodiment 5:
The present embodiment is further qualified on the basis of above embodiment, as shown in Figure 1 to Figure 3, due to the moment contacting with workpiece 2 at the utility model with because the concrete shape of workpiece 2, centering wheel 36 component that can be subject to along its axial direction, for preventing because the compression between centering wheel 36 and bearing 35 not, be convenient to bearing 35 and take turns the handling on 36 at centering, on the outer ring at described bearing 35 two ends, be provided with one along the groove of its circumferential direction, in groove, be provided with a circlip for shaft.The circlip for shaft arranging, for limiting the position of centering wheel 36 on bearing 35, is about to centering wheel 36 and is arranged between two circlips for shaft.Further, bearing 35 adopts ball roller bearing or needle bearing, to obtain enough bearing widths, groove is set and centering wheel 36 is installed.
Claims (6)
1. a lathe workpiece axiality adjusting device, it is characterized in that, comprise centering portion body (3), described centering portion's body (3) comprises mounting blocks (31), centering wheel bar (32), bearing (35) and centering wheel (36), described mounting blocks (31) is tabular, centering wheel bar (32) is round bar shape, one end of mounting blocks (31) is fixedly connected with one end of centering wheel bar (32), and the length direction of mounting blocks (31) is parallel with the axis direction of centering wheel bar (32), centering wheel (36) is circular cone shape, the inner ring of bearing (35) is fixedly connected on centering wheel bar (32), on centering wheel (36), be provided with the through hole along its short transverse, the outer ring of bearing (35) becomes interference fit with described through hole, and the centerline collineation of centering wheel (36) and centering wheel bar (32).
2. a kind of lathe workpiece axiality adjusting device according to claim 1, it is characterized in that, also comprise the first nut (33), axle sleeve (34) and the second nut (37), on described centering wheel bar (32), be provided with external screw thread, described axle sleeve (34) is embedded in the inner ring of bearing (35) and becomes interference fit with the inner ring of bearing (35), described axle sleeve (34) is outer to be enclosed within on centering wheel bar (32), and the gap between axle sleeve (34) and centering wheel bar (32) is not more than 0.2mm, the first nut (33) becomes to be threaded with centering wheel bar (32) with the second nut (37), and axle sleeve (34) is positioned between the first nut (33) and the second nut (37).
3. a kind of lathe workpiece axiality adjusting device according to claim 1, it is characterized in that, also comprise tabular positive stop (311), described positive stop (311) is fixedly connected on a side of mounting blocks (31), and positive stop (311) is vertical with respect to mounting blocks (31).
4. a kind of lathe workpiece axiality adjusting device according to claim 3, is characterized in that, described positive stop (311) is as a whole with mounting blocks (31).
5. a kind of lathe workpiece axiality adjusting device according to claim 1, is characterized in that, the joint face smooth transition of described centering wheel bar (32) and mounting blocks (31).
6. according to a kind of lathe workpiece axiality adjusting device described in any one in claim 1 to 5, it is characterized in that, on the outer ring at described bearing (35) two ends, be provided with one along the groove of its circumferential direction, in groove, be provided with a circlip for shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420087645.9U CN203738036U (en) | 2014-02-28 | 2014-02-28 | Lathe workpiece coaxiality adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420087645.9U CN203738036U (en) | 2014-02-28 | 2014-02-28 | Lathe workpiece coaxiality adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203738036U true CN203738036U (en) | 2014-07-30 |
Family
ID=51337899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420087645.9U Expired - Fee Related CN203738036U (en) | 2014-02-28 | 2014-02-28 | Lathe workpiece coaxiality adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203738036U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103801716A (en) * | 2014-02-28 | 2014-05-21 | 成都大漠石油机械有限公司 | Workpiece coaxiality adjusting mechanism of turning lathe |
-
2014
- 2014-02-28 CN CN201420087645.9U patent/CN203738036U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103801716A (en) * | 2014-02-28 | 2014-05-21 | 成都大漠石油机械有限公司 | Workpiece coaxiality adjusting mechanism of turning lathe |
| CN103801716B (en) * | 2014-02-28 | 2016-03-02 | 成都大漠石油机械有限公司 | A kind of lathe workpiece axiality guiding mechanism |
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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: 20140730 Termination date: 20150228 |
|
| EXPY | Termination of patent right or utility model |