CN203578787U - Self-centering flange frame for rear tailstock - Google Patents
Self-centering flange frame for rear tailstock Download PDFInfo
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- CN203578787U CN203578787U CN201320836926.5U CN201320836926U CN203578787U CN 203578787 U CN203578787 U CN 203578787U CN 201320836926 U CN201320836926 U CN 201320836926U CN 203578787 U CN203578787 U CN 203578787U
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Abstract
The utility model discloses a self-centering flange frame for a rear tailstock. The self-centering flange frame consists of a central frame flange inner ring, a central frame flange outer ring and four or more adjusting seats, wherein the central frame flange outer ring is positioned outside the central frame flange inner ring, and consists of an upper semicircular main body and a lower semicircular main body; each adjusting seat is provided with an adjusting bracket; the outer diameter of each adjusting bracket is smaller than the inner diameter of each adjusting seat mounting hole, thereby allowing each adjusting bracket to be inserted into each adjusting seat mounting hole and act on the outer wall of the inner ring. In the self-centering flange frame for the rear tailstock, the thicknesses of the central frame flange inner ring and the central frame flange outer ring are only 35 centimeters, the rear tailstock only occupies 35 centimeters after being fixed to a lathe, and the remaining lathe track can be taken as the machining range of the lathe, thereby solving the problem of small machining range of the lathe due to large distance between a chuck and a hand wheel since the chuck and the hand wheel are connected to the two ends of a driving shaft respectively in the prior art.
Description
Technical field
This is novel relates to a kind of flange frame, relate in particular to a kind of after tailstock self-centering flange frame.
Background technology
First tradition lathe will be fixed on rear tailstock on lathe, and to its check and correction center, after then utilizing, tailstock chuck carries chuck with lathe workpiece is fixed, the center of the workpiece after fixing with lathe center superposition.
And tailstock is comprised of handwheel 50, driving shaft 51 and rear tailstock body after tradition, driving shaft 51 is located at rear tailstock body interior, and driving shaft 51 one end are fixedly connected with handwheel 50, one end adpting flange or thimble as required, in the processing of valve body, must utilize rear tailstock band chuck 5 and lathe to carry is fixed workpiece two ends coordinating of chuck 4, just can make the center of workpiece and the center superposition of lathe, then normal process, so the range of work at processing valve body of lathe namely after tailstock chuck 5 and lathe carry the spacing of chuck 4, and because be two ends connecting chuck 5 and the handwheel 50 respectively that adopts driving shaft 51, the range of work of such lathe is just little, if having exceeded rear tailstock chuck 5 and lathe, Workpiece length carries the spacing of chuck 4, just cannot process at this lathe, need to take outside and go processing, or buy new lathe, for company has increased a large amount of equipment costs and time.
Summary of the invention
In order to overcome the problems referred to above, the utility model provides a kind of rear tailstock self-centering flange frame that can improve the lathe range of work.
For achieving the above object, the technical scheme that the utility model provides is:
Tailstock self-centering flange frame after a kind of, it is comprised of centre frame flange inner ring, centre frame flange outer ring and 4 or above adjusting seat; On described centre frame flange inner ring, be provided with dowel hole; Centre frame flange inner ring outside is located in described centre frame flange outer ring, and centre frame flange outer ring is comprised of upper and lower two semicircle shape main bodys; On first circle of described outer ring and second circle, be respectively equipped with 2 or above adjusting seat installing hole; Described adjusting seat is provided with an adjusting pole, and adjusting pole external diameter is less than adjusting seat installing hole internal diameter, and adjusting pole can be inserted in adjusting seat installing hole, acts on interior ring outer wall; On adjusting seat installing hole, be also provided with locating hole, while making in adjusting seat is inserted adjusting seat installing hole, can be selected into locating hole realization by bolt adjusting seat and outer ring are fixed.
Described adjusting seat is comprised of the support of bearing, deep groove ball bearing and adjustment block; Described adjustment block is in axial direction provided with consistent reach through hole, the described through hole that runs through is step-like, the described through hole maximum gauge that runs through is greater than adjusting pole external diameter, and adjusting pole can be inserted in adjustment block, and can run through in axial direction freely movable in through hole in adjustment block; On the inner axial direction in one end of above-mentioned adjusting pole, be provided with blind hole, the described diameter that runs through through hole and blind hole is all greater than the diameter of support of bearing afterbody, make support of bearing afterbody to run through through hole through adjustment block and insert in adjusting pole blind hole, be fixedly connected with adjusting pole; Described deep groove ball bearing is movably arranged on the adjusting pole other end, and described deep groove ball bearing axis is mutually vertical with adjusting pole axis.
The described support of bearing is step-like, and the minimum step of described support of bearing place diameter is less than adjustment block and runs through through hole minimum diameter, and maximum step place diameter is greater than adjustment block and runs through through hole maximum gauge; Between the maximum step of the described support of bearing and adjustment block, be provided with plane bearing, the one end of inserting adjusting hole at described adjusting pole is connected with a deep groove ball bearing; Described deep groove ball bearing axis is mutually vertical with adjusting pole axis, and while making adjusting pole insert in adjusting hole, deep groove ball bearing outer wall can act on centre frame flange inner ring.
At described support of bearing middle bench, place is provided with thread segment, described in run through the less one end of through-hole diameter inside be also provided with thread segment, make the support of bearing can realize by the cooperation of two thread segments the location of the support of bearing.
In upper and lower two the semicircle shape main bodys in described centre frame flange outer ring, be respectively equipped with two adjusting holes; Described adjusting hole diameter is greater than adjusting pole external diameter, in described adjusting hole, is provided with in the radial direction positioning and locking bolt hole; In described positioning and locking bolt hole, be provided with thread segment, while making in adjusting pole inserts adjusting hole, can be by bolt be selected in positioning and locking bolt hole adjusting pole is fixed.
the usefulness of technique scheme is:
1, the utility model provides a kind of rear tailstock self-centering flange frame, the thickness of its center flange inner ring and outer ring only has 35cm, therefore after this novel rear tailstock is fixed on lathe, only taken 35cm, remaining lathe track can be used as the range of work of lathe, overcome in conventional art because adopting two ends connecting chuck and the handwheel respectively of driving shaft, cause the distance between chuck and handwheel larger, make the problem that the lathe range of work is less, improved greatly the range of work, avoided because rear tailstock takies lathe track larger area, the range of work of lathe is diminished, if while wanting processing length to exceed the workpiece of this scope, need to take outside and go processing, or the situation that need to buy new lathe occurs, for company has saved a large amount of equipment costs and time.
2, this is novelly provided with 4 adjusting seats, and be provided with in the radial direction 4 adjusting holes at first circle of centre frame flange outer ring and second circle, by the adjusting seat support of bearing is inserted in adjusting hole, utilize the threaded engagement at adjustment block screwed hole and support of bearing middle part to realize the fixing of deep groove ball bearing position, deep groove ball bearing 6 is held in the palm to the cylindrical of center flange frame inner ring, be used for locking center flange frame inner ring, make center flange frame inner ring stress balance on processing is rotated, with this, come the center of correction center flange frame inner ring, simple to operation, accuracy is high.Described positioner is provided with two thread segments, and wherein a thread segment is located on the support of bearing, and another thread segment is located at the inside of running through the less one end of through-hole diameter, makes the support of bearing can realize by the cooperation of two thread segments the location of the support of bearing.
3, basis is novel is provided with plane bearing between the maximum step of the adjusting seat support of bearing and adjustment block, the one end of inserting adjusting hole at adjusting pole is connected with a deep groove ball bearing, and deep groove ball bearing axis is mutually vertical with adjusting pole axis, by plane bearing is set, can reduce wear intensity, improve service life, deep groove ball bearing is set, can realize the axially movable of valve body, same model valve body in majority amount adds man-hour, only need proofread and correct first valve body, not need how all valve bodies to repeat to proofread and correct, improve working (machining) efficiency.
4, this novel 4 adjusting holes in center flange frame outer ring is also provided with positioning and locking bolt hole in the radial direction, in positioning and locking bolt hole, be provided with thread segment, can be when 4 adjusting seats be complete to the correction center of center flange frame inner ring, by screw in bolt in positioning and locking bolt hole, can be fixed adjusting seat, prevent that adjusting seat is subjected to displacement, make center flange frame inner ring center occur deviation, improve machining precision, reduce and occur even scrap possibility of substandard products.
Below in conjunction with the drawings and specific embodiments to this novel being further described.
Accompanying drawing explanation
Fig. 1 is the structural representation of prior art lathe chuck and rear tailstock;
Fig. 2 is this novel front plan view;
Fig. 3 is this novel adjusting seat structural representation.
The specific embodiment
Tailstock self-centering flange frame after one as shown in Figure 1, it comprises centre frame flange inner ring 1 and centre frame flange outer ring 2; Described center flange frame inner ring 1 is provided with dowel hole 10, valve body can be fixed on center flange frame inner ring 1 with alignment pin; Described center flange frame outer ring 2 comprises first circle 20 and second circle 21; Second circle 21 of described outer ring is fixed on lathe afterbody, and first circle 20 of outer ring coordinates with second circle 21, with this, locks valve body.Concrete, two ends at outer ring upper semi-circle body 20 and second circle 21 are provided with contact block, on the contact block of outer ring upper semi-circle body 20 and second circle 21, along outer ring radial direction, be equipped with screwed hole 200,210, second circle screwed hole 210 sizes of first circle screwed hole 200 sizes are identical, by screwing in bolt, first circle 20 and second circle 21 can be fixed and form outer ring 2.
This is novel is also provided with 4 adjusting seats 3, and adjusting seat 3 is comprised of the support of bearing 30, adjusting seat upper cover 31, plane bearing 32, adjustment block 33, adjusting pole 34, deep groove ball bearing 35; The described support of bearing 30 is divided into three sections by diameter, and its diameter of three sections reduces successively to afterbody from the head, and intermediate portion is arranged with screw thread; Described adjustment block 33 is convex, be provided with 330,331, two through holes of small one and large one two through holes 330,331 and be communicated with, and two through holes 330,331 center is all on same straight line at adjustment block 33 axial directions; Wherein, the slightly larger in diameter of large through-hole 330, in adjusting pole 34 diameters, is provided with screw thread in small through hole 331, and this screwed hole can coincide with the screw thread at the support of bearing 30 middle parts; Insert in adjustment block large through-hole 330 described adjusting pole 34 one end, and be provided with blind hole 340 on the axial direction of the inside of adjusting pole 34, the diameter of described blind hole 340 equals or is slightly larger than the support of bearing 30 tail diameter, the support of bearing 30 afterbodys can be inserted in adjusting pole blind hole 340 through after adjustment block 33, realize the support of bearing 30 is fixedly connected with adjusting pole 34.Described deep groove ball bearing 35 is movably arranged on adjusting pole 34 other ends, and deep groove ball bearing 35 Inner footpath axis are vertical with the Inner footpath axis of adjusting pole blind hole 340.
In the present embodiment, to adopt adjustment block 33 screwed holes to coordinate the location of realizing adjusting pole 34 with the support of bearing 30 thread segments, the location that obviously also can adopt other modes to realize adjusting pole 34, specific embodiment those skilled in the art can determine when implementing.
In described outer ring first circle 20 and second circle 21 be respectively equipped with in the radial direction two adjusting holes 201,211, wherein, the spacing of two adjusting holes 201 that first circle 20 is provided with is identical with the spacing of two adjusting holes 211 of second circle; The adjusting hole size of first circle 20 of outer ring and second circle 21 is identical, and the slightly larger in diameter of adjusting hole 201,211 is in the external diameter of modulation support 34; In the adjusting hole 201,211 of outer ring upper semi-circle body 20 and second circle 21, along outer ring axial direction, be provided with positioning and locking bolt hole 202,212, described positioning and locking bolt hole 202,212 is for fixed adjustment seat adjusting pole 34.
During processing valve body, first adopt alignment pin that valve body is locked on centre frame flange inner ring 1, then valve body is hung on to board, first with lathe flange locking valve body one end, again the other end that is locked in the valve body on center flange frame inner ring is placed on second circle 21, two adjusting seat supports of bearing 30 of second circle 21 of recycling outer ring insert in adjusting hole 201,211, utilize the threaded engagement at adjustment block 33 screwed holes and the support of bearing 30 middle parts to realize the fixing of deep groove ball bearing 35 positions; Deep groove ball bearing 35 is held in the palm to the outside wall surface of center flange frame inner ring 1, be used for locking center flange frame inner ring 1, make center flange frame inner ring 1 stress balance on processing is rotated, with this, come the center of correction center flange frame inner ring 1, after correction, by bolt being screwed in to positioning and locking bolt hole 202,212, the support of bearing 30 is fixed, then first circle 20 that closes, screws in bolts by screwed hole 200,210 places of the contact block at outer ring upper semi-circle body 20 and second circle 21 and locks first circle 20 of outer ring and second circle 21.
More than to most preferred embodiment of the present utility model, the utility model provides a kind of tailstock self-centering flange, the rear tailstock contraction in length that its outer ring and inner ring thickness carry with respect to lathe tens times, overcome in conventional art because adopting two ends connecting chuck and the handwheel respectively of driving shaft, cause the distance between chuck and handwheel larger, make the problem that the lathe range of work is less, improved greatly the range of work, avoided because rear tailstock takies lathe track larger area, the range of work of lathe is diminished, if while wanting processing length to exceed the workpiece of this scope, need to take outside and go processing, or the situation that need to buy new lathe occurs, for company has saved a large amount of equipment costs and time.
Claims (5)
1. a tailstock self-centering flange frame after, is characterized in that: it is comprised of centre frame flange inner ring, centre frame flange outer ring and 4 or above adjusting seat; On described centre frame flange inner ring, be provided with dowel hole; Centre frame flange inner ring outside is located in described centre frame flange outer ring, and centre frame flange outer ring is comprised of upper and lower two semicircle shape main bodys; On first circle of described outer ring and second circle, be respectively equipped with 2 or above adjusting seat installing hole; Described adjusting seat is provided with an adjusting pole, and adjusting pole external diameter is less than adjusting seat installing hole internal diameter, and adjusting pole can be inserted in adjusting seat installing hole, acts on interior ring outer wall; On adjusting seat installing hole, be also provided with locating hole, while making in adjusting seat is inserted adjusting seat installing hole, can be selected into locating hole realization by bolt adjusting seat and outer ring are fixed.
2. tailstock self-centering flange frame after one as claimed in claim 1, is characterized in that: described adjusting seat is comprised of the support of bearing, deep groove ball bearing and adjustment block; Described adjustment block is in axial direction provided with consistent reach through hole, the described through hole that runs through is step-like, the described through hole maximum gauge that runs through is greater than adjusting pole external diameter, and adjusting pole can be inserted in adjustment block, and can run through in axial direction freely movable in through hole in adjustment block; On the inner axial direction in one end of above-mentioned adjusting pole, be provided with blind hole, the described diameter that runs through through hole and blind hole is all greater than the diameter of support of bearing afterbody, make support of bearing afterbody to run through through hole through adjustment block and insert in adjusting pole blind hole, be fixedly connected with adjusting pole; Described deep groove ball bearing is movably arranged on the adjusting pole other end, and described deep groove ball bearing axis is mutually vertical with adjusting pole axis.
3. tailstock self-centering flange frame after one as claimed in claim 2, it is characterized in that: the described support of bearing is step-like, the minimum step of described support of bearing place diameter is less than adjustment block and runs through through hole minimum diameter, and maximum step place diameter is greater than adjustment block and runs through through hole maximum gauge; Between the maximum step of the described support of bearing and adjustment block, be provided with plane bearing, the one end of inserting adjusting hole at described adjusting pole is connected with a deep groove ball bearing; Described deep groove ball bearing axis is mutually vertical with adjusting pole axis, and while making adjusting pole insert in adjusting hole, deep groove ball bearing outer wall can act on centre frame flange inner ring.
4. tailstock self-centering flange frame after one as claimed in claim 3, it is characterized in that: at described support of bearing middle bench, place is provided with thread segment, the described inside of running through the less one end of through-hole diameter is also provided with thread segment, makes the support of bearing can realize by the cooperation of two thread segments the location of the support of bearing.
5. tailstock self-centering flange frame after one as claimed in claim 1, is characterized in that: in upper and lower two the semicircle shape main bodys in described centre frame flange outer ring, be respectively equipped with two adjusting holes; Described adjusting hole diameter is greater than adjusting pole external diameter, in described adjusting hole, is provided with in the radial direction positioning and locking bolt hole; In described positioning and locking bolt hole, be provided with thread segment, while making in adjusting pole inserts adjusting hole, can be by bolt be selected in positioning and locking bolt hole adjusting pole is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320836926.5U CN203578787U (en) | 2013-12-18 | 2013-12-18 | Self-centering flange frame for rear tailstock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320836926.5U CN203578787U (en) | 2013-12-18 | 2013-12-18 | Self-centering flange frame for rear tailstock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203578787U true CN203578787U (en) | 2014-05-07 |
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ID=50576760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320836926.5U Expired - Fee Related CN203578787U (en) | 2013-12-18 | 2013-12-18 | Self-centering flange frame for rear tailstock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203578787U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105196030A (en) * | 2015-09-21 | 2015-12-30 | 天津港联盟国际集装箱码头有限公司 | Device for detaching pulley shaft erected on quay crane sling |
| CN109488784A (en) * | 2018-12-29 | 2019-03-19 | 苏州道森阀门有限公司 | A kind of ball valve simulation trial-production device |
-
2013
- 2013-12-18 CN CN201320836926.5U patent/CN203578787U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105196030A (en) * | 2015-09-21 | 2015-12-30 | 天津港联盟国际集装箱码头有限公司 | Device for detaching pulley shaft erected on quay crane sling |
| CN109488784A (en) * | 2018-12-29 | 2019-03-19 | 苏州道森阀门有限公司 | A kind of ball valve simulation trial-production device |
| CN109488784B (en) * | 2018-12-29 | 2023-10-24 | 苏州道森阀门有限公司 | Ball valve simulation trial-production device |
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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: 20140507 Termination date: 20151218 |
|
| EXPY | Termination of patent right or utility model |