CN201279603Y - Follow-up adjustable boring-bar supporting device - Google Patents
Follow-up adjustable boring-bar supporting device Download PDFInfo
- Publication number
- CN201279603Y CN201279603Y CNU2008201850465U CN200820185046U CN201279603Y CN 201279603 Y CN201279603 Y CN 201279603Y CN U2008201850465 U CNU2008201850465 U CN U2008201850465U CN 200820185046 U CN200820185046 U CN 200820185046U CN 201279603 Y CN201279603 Y CN 201279603Y
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- boring
- servo
- threaded rod
- adjustable
- supporter
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Abstract
The utility model discloses a following adjustable boring rod supporting device, which comprises a supporting body, and is characterized in that the supporting body is of a reinforcing bar structure, and the outer circumference of the reinforcing bar structure is provided with three cylindrical supporting columns which extend out of the outer circumference and form an angle of 120 degrees, and the cylindrical supporting columns are provided with an adjustable device. During the boring process, the supporting device is assembled on a boring rod and makes the rotating motion and axial movement inside the hole of the processed work piece along with the boring rod; with the adjustable device, the outer circle of a rolling bearing and the surface of an inner hole of the processed work piece are ensured to have slight pressure and are contacted with each other in a rolling way, so that against for the supporting of single supporting suspension boring rod for the processed work piece with different diameters, the weaknesses of the vibration and bending deformation caused by the suspension of the boring rod can be eliminated, thereby satisfying the processing requirement for improving the boring size and the axial precision. The following adjustable boring rod supporting device has simple structure, convenient installation, strong practicability, standardization of the components, high universality and high popularization value.
Description
Technical field
The utility model relates to the Machining Technology field, more particularly, relates to be used for the adjustable boring spindle support of a kind of servo-actuated of boring processing major diameter slotted hole.
Background technology
In recent years, the process requirements sharp increase of large-scale, major diameter borehole jack, traditional common boring machine or special boring mill boring major diameter, long size endoporus for guaranteeing the axial precision of bore hole, adopt the mode of double supporting structure or single support structure to support boring bar at present mostly.Adopt the mode of double supporting structure to support boring bar, each holds the boring that boring bar carries out the hole with a support before and after work piece exactly.The common boring machine of this double supporting structure boring endoporus or special boring mill are because size is huge, and boring bar has additionally increased machine tool guideway length and working space from great, on the one hand, causes material consumption, causes the waste of fund; On the other hand, the increase of lathe area occupied, production, debugging, installation, transportation, use have inconvenience more.And adopt the mode of single support structure to support boring bar, boring major diameter, long size endoporus, supporting boring bar with the mode that adopts double supporting structure compares, though have advantages such as to reduce the lathe area occupied, but the boring bar of boring machine list supporting construction is a cantilevered leg, in process, there are problems such as boring bar vibration and flexural deformation, thereby influence the crudy of work piece.
Summary of the invention
The purpose of this utility model is in order to overcome above-mentioned the deficiencies in the prior art, solving common boring machine or special boring mill adopts single support structure when boring major diameter, long size endoporus, influence the technical problem of part to be processed crudy because of boring bar vibration and flexural deformation etc., design one and be mounted and fixed on the single support structure boring machine boring bar, and move, rotate and can regulate the bracing or strutting arrangement of contact with boring bar according to hole size in the workpiece to be machined.This bracing or strutting arrangement can solve and adopt the big problem in double supporting structure land used space, can solve again to adopt single support structure to have problems such as boring bar vibration and flexural deformation, guarantees endoporus boring precision.
To achieve these goals, the adjustable boring spindle support of a kind of servo-actuated that provides of the utility model comprises: supporter 1, threaded rod 2, locking nut 3, straight pin 4, bearing block 5, rolling bearing 6, keyway 7, hoisting ring 8, cylindrical support column 9.
Wherein said supporter 1 stretches out external cylindrical surface and become equally distributed three cylindrical support column 9 of hexagonal angle each other for the external cylindrical surface of reinforcing rib structure is provided with, and supporter 1 and cylindrical support column 9 are an overall structure.Wherein, cylindrical support column 9 is processed with the axial thread hole of matching and being connected with threaded rod 2; The central bore that supporter 1 is provided with also offers a keyway 7 on central bore, be provided with on the external cylindrical surface of corresponding keyway 7 suspension ring 8 are installed, with the match other end of the threaded rod 2 that is connected of cylindrical support column bearing block 5 is installed, threaded rod 2 matches with cylindrical support column and is respectively equipped with locking nut 3 between the end face that is connected end face and connecting axle bearing 5, rolling bearing 6 is assemblied on the straight pin 4, is connected with bearing block 5 by straight pin 4.The central bore that above-mentioned supporter 1 is provided with is a conical bore, and its tapering is 1:10, the size of central bore when being used to install and corresponding therewith single boring bar that has the 1:10 tapering on the boring machine that supports match;
Above-mentioned threaded rod 2 two are screw thread, and its screw thread is fine thread, and reach is a head length, a weak point, and middle one section is the hexagonal cylindricality;
Above-mentioned rolling bearing 6 is 6202 type rolling bearings.
The beneficial effects of the utility model are mainly reflected in: use the boring bar that overhangs that this bracing or strutting arrangement can be the single support structure boring machine effective support is provided, and by regulating the support that threaded rod 2 extension elongations can accomplish that list at the processing work of different inner diameters supports the boring bar that overhangs, the defectives such as vibration that boring bar causes, flexural deformation that overhang with elimination, and then reach and improve bore size, the axial processing request of precision.Common boring machine of single support structure or special boring mill compact conformation, its contour structure size have only about 2/3 of dual-support structure boring machine; With the internal diameter is 900mm, and long large-scale diesel engine cylinder sleeve rough bore special plane for 3500mm is an example, and long as if dual-support structure special plane appearance and size is 18m, and boring bar is long to be 11m, and single supporting construction special plane appearance and size length is 12m, and boring bar length is 7m.The diastrophic maximum defluxion of boring bar is w on the dual-support structure boring machine
Max=-0.1698mm, hard-over are θ
Max=-0.127rad; And boring bar its diastrophic maximum defluxion after using this bracing or strutting arrangement that overhangs on single supporting construction boring machine is w
Max=-0.1307mm, hard-over are θ
Max=-0.0849rad, the raising that reduces the cylinder sleeve machining accuracy of boring bar amount of deflection and corner has substantive help.This shows, use this bracing or strutting arrangement, both solved and adopted the big problem in double supporting structure bore hole special plane land used space, solved the problems such as boring bar vibration and flexural deformation that overhang that adopt single support structure bore hole special plane to exist again.This bracing or strutting arrangement is easy for installation, and is simple to operate, and zero, the standardization of parts, generalization degree height.The utility model bracing or strutting arrangement can carry out commercial operation, and this technology can put goods on the market and promote the use, and can create considerable economic value.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the left view of the utility model Fig. 1;
Among the figure: 1. supporter, 2. threaded rod, 3. locking nut, 4. straight pin, 5. bearing block, 6. rolling bearing, 7. keyway, 8. hoisting ring, 9. cylindrical support column.
The specific embodiment
Below in conjunction with accompanying drawing, the technical scheme of the utility model device is done further specific description.
As depicted in figs. 1 and 2, the adjustable boring spindle support of a kind of servo-actuated of the present utility model comprises: supporter 1, threaded rod 2, locking nut 3, straight pin 4, bearing block 5, rolling bearing 6, keyway 7, hoisting ring 8, cylindrical support column 9.Wherein supporter 1 stretches out external cylindrical surface and become 120 ° of equally distributed three cylindrical support column 9 each other for the external cylindrical surface of reinforcing rib structure is provided with, and supporter 1 and cylindrical support column 9 are an overall structure.Wherein, cylindrical support column 9 centers process the axial thread hole, so that be connected with threaded rod 2; The central bore of supporter 1 is a conical bore, and tapering is 1:10, when being used to install and therewith corresponding singly support the position that boring bar on the boring machine also has the 1:10 tapering and cooperates; Supporter 1 also has a keyway on supporter 1 central bore, a woodruff key is installed in keyway 7 and corresponding boring bar keyway, so that can rotate and axial feed moves with boring bar; The installation screw of suspension ring 8 has been designed in supporter 1 top, is used to assemble suspension ring 8, and suspension ring 8 are used for supporter 1 lifting and install; Be that an integrally-built supporter 1 and cylindrical support column 9 adopts No. 45 steel material, after cast steel is shaped again the machining manufacturing finish, supporter 1 outer ring is a reinforcing rib structure.Threaded rod 2 is selected high-quality steel material for use, the screw thread of threaded rod 2 is consistent with the axial thread hole that cylindrical support column 9 centers process, the one end is connected with the axial thread hole that cylindrical support column 9 centers process, the other end is connected with bearing block 5, there is one section to make hexagon near bearing block 5 in the middle of the threaded rod 2, so that the extension elongation of threaded rod 2 is adjusted in the clamping rotation; 2 locking nuts 3 are the end face of locking screw rasp bars 2 and cylindrical support column 9, bearing block 5 respectively, is used for fixing the extension elongation after threaded rod 2 is adjusted; What of back extension elongation threaded rod 2 be adjusted, and rolling bearing 6 outer rings have light pressure to the work piece bore area during with assurance work.Rolling bearing 6 is assemblied on the straight pin 4, is connected with bearing block 5 by straight pin 4 then, does to roll with the work piece bore area and contact in rolling bearing 6 outer rings.
During work, installation one woodruff key in the corresponding keyway on boring bar lifts supporter 1 and it is installed in the position cooperation that also has the 1:10 tapering on corresponding therewith single supporting boring machine boring bar, and the while woodruff key also falls into its keyway 7; After the corresponding conical surface close-coupled, compress with a retaining nut of being close to its end face on the boring bar on the supporter 1 endoporus conical surface and the boring bar, bracing or strutting arrangement and boring bar are combined closely reliable operation when guaranteeing work.Boring cutter is installed subsequently, is adjusted the adjustable boring spindle support threaded rod 2 of servo-actuated, make the diameter of bore of the tactical diameter of the adjustable boring spindle support of servo-actuated less than boring cutter processing; When driving boring cutter, boring bar processes the workpiece endoporus, after the axial distance in own processing work hole just guarantees that the adjustable boring spindle support of servo-actuated enters workpiece hole, adjust the threaded rod 2 of the adjustable boring spindle support of servo-actuated, guarantee that rolling bearing 6 outer rings and work piece bore area have light pressure and the do rolling contacts, 2 locking nut 3 difference locking screw rasp bars 2 and cylindrical support column 9, the end face of bearing block 5, extension elongation after retaining thread bar 2 is adjusted, boring bar can drive boring cutter processing work vertically under the support of the adjustable boring spindle support of servo-actuated thereafter.In order to guarantee that the adjustable boring spindle support of servo-actuated can rotatablely moving and move axially the interference that is not subjected to process smear metal with boring bar, can additional hairbrush or little pressure air such as brush at the auxiliary process measure in rolling bearing 6 rolling element rolling the place aheads according to the smear metal state, to guarantee the adjustable boring spindle support of servo-actuated rotatablely moving and move axially the motion normal reliable with boring bar.
Because tunable arrangement is contacted with the interior surface to be machined of workpiece hole by rolling bearing 6, rolling bearing 6 outer rings are the same with endoporus also to be arc surface, and the contact of---face or line---line can will drop to minimum to the damage of machined surface so can realize face between them.In the bore hole process, the servo-actuated adjustable support is completely fixed on the boring bar, and along with boring bar moves axially at endoporus, problems such as the flexural deformation that the boring bar that can will overhang like this causes, amount of deflection are controlled in the minimum zone.
Claims (8)
1, the adjustable boring spindle support of a kind of servo-actuated, comprise supporter (1), it is characterized in that: described supporter (1) stretches out outer circumference surface and becomes equally distributed three cylindrical support column of hexagonal angle (9) each other for the outer circumference surface of reinforcing rib structure is provided with, cylindrical support column (9) is processed with the axial thread hole of matching and being connected with threaded rod (2); Also offer a keyway (7) on the central bore that supporter (1) is provided with, be provided with on the outer circumference surface of corresponding keyway (7) suspension ring (8) are installed, bearing block (5) is installed with the match other end of the threaded rod (2) that is connected of cylindrical support column (9); Threaded rod (2) matches with cylindrical support column (9) and is respectively equipped with locking nut (3) between the end face that is connected end face and connecting axle bearing (5); Straight pin (4) is installed on the bearing block (5), on straight pin (4), is equipped with rolling bearing (6).
2, the adjustable boring spindle support of a kind of servo-actuated according to claim 1, it is characterized in that: the central bore that described supporter (1) is provided with is a conical bore, its tapering is 1:10, the size of central bore when being used to install and the boring bar that has the 1:10 tapering on corresponding therewith single supporting boring machine match.
3, the adjustable boring spindle support of a kind of servo-actuated according to claim 1 is characterized in that: described supporter (1) and cylindrical support column (9) are an overall structure.
4, according to claim 1 or the adjustable boring spindle support of 3 described a kind of servo-actuateds, it is characterized in that: described supporter (1) and cylindrical support column (9) are that an integrally-built material is No. 45 steel, machining manufacturing acquisition again after employing cast steel is shaped.
5, the adjustable boring spindle support of a kind of servo-actuated according to claim 1 is characterized in that: described threaded rod (2) two is screw thread, and reach is a head length, a weak point, and middle one section is the hexagonal cylindricality.
6, the adjustable boring spindle support of a kind of servo-actuated according to claim 5 is characterized in that: the screw thread at described threaded rod (2) two is fine thread.
7, according to claim 1 or the adjustable boring spindle support of 5 or 6 described a kind of servo-actuateds, it is characterized in that: the material of described threaded rod (2) is high-quality steel material.
8, the adjustable boring spindle support of a kind of servo-actuated according to claim 1 is characterized in that: described rolling bearing (6) is 6202 type rolling bearings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201850465U CN201279603Y (en) | 2008-08-20 | 2008-08-20 | Follow-up adjustable boring-bar supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201850465U CN201279603Y (en) | 2008-08-20 | 2008-08-20 | Follow-up adjustable boring-bar supporting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201279603Y true CN201279603Y (en) | 2009-07-29 |
Family
ID=40926491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201850465U Expired - Fee Related CN201279603Y (en) | 2008-08-20 | 2008-08-20 | Follow-up adjustable boring-bar supporting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201279603Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104842218A (en) * | 2015-04-16 | 2015-08-19 | 大连理工大学 | Piezoelectric type thin-walled cylindrical part clamping force measuring device |
| CN105021335A (en) * | 2015-07-13 | 2015-11-04 | 大连理工大学 | Self-centering adapting rack for low-thrust vector value test |
| CN106392137A (en) * | 2016-05-26 | 2017-02-15 | 江苏兴隆防腐设备有限公司 | Machine tool for machining deep holes |
| CN110732707A (en) * | 2019-11-18 | 2020-01-31 | 中国空气动力研究与发展中心高速空气动力研究所 | clamping device capable of adjusting cutting diameter of drill bit |
| CN112935812A (en) * | 2018-12-15 | 2021-06-11 | 烟台大丰轴瓦有限责任公司 | Boring marking center of bearing bush oil line processing system |
-
2008
- 2008-08-20 CN CNU2008201850465U patent/CN201279603Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104842218A (en) * | 2015-04-16 | 2015-08-19 | 大连理工大学 | Piezoelectric type thin-walled cylindrical part clamping force measuring device |
| CN105021335A (en) * | 2015-07-13 | 2015-11-04 | 大连理工大学 | Self-centering adapting rack for low-thrust vector value test |
| CN106392137A (en) * | 2016-05-26 | 2017-02-15 | 江苏兴隆防腐设备有限公司 | Machine tool for machining deep holes |
| CN112935812A (en) * | 2018-12-15 | 2021-06-11 | 烟台大丰轴瓦有限责任公司 | Boring marking center of bearing bush oil line processing system |
| CN110732707A (en) * | 2019-11-18 | 2020-01-31 | 中国空气动力研究与发展中心高速空气动力研究所 | clamping device capable of adjusting cutting diameter of drill bit |
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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: 20090729 Termination date: 20120820 |