CN101342603A - Boring spindle support - Google Patents
Boring spindle support Download PDFInfo
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- CN101342603A CN101342603A CNA2008100225442A CN200810022544A CN101342603A CN 101342603 A CN101342603 A CN 101342603A CN A2008100225442 A CNA2008100225442 A CN A2008100225442A CN 200810022544 A CN200810022544 A CN 200810022544A CN 101342603 A CN101342603 A CN 101342603A
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- boring
- boring bar
- threaded rod
- supporter
- support
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Abstract
The invention discloses a support device for a boring bar which comprises a support body. The support device is characterized in that the support body is equipped with three cylindrical support columns which are in the mutual and uniform distribution of 120 degrees angle and extends outward of the outer circumference, and is positioned on the outer circumference of the reinforced rib structure, and the cylindrical support column is equipped with an adjustable device. During the boring process, the support device is assembled on the boring bar and carries out the rotating motion and the axial movement in the hole of the machined workpiece accompanying with the boring bar. The adjustable device is utilized to ensure that the outer circle of the rolling bearing and the surface of the inner hole of the machined workpiece have the slight pressure and carry out the rolling contact, and the single-support suspension boring bars of the machined workpiece with different inner diameters are supported, the defect of vibration and bending as well as deformation caused by the suspension boring bar is eliminated, and the machining requirement of promoting the boring dimension and the axial accuracy is achieved. The support device for the boring bar has the advantages of simple structure, convenient assembly, strong practicability, high standardization and generalization of parts and components, and having the certain popularization value.
Description
Technical field
The present invention relates to the Machining Technology field, more particularly, relate to be used for boring processing major diameter slotted hole and can along with boring bar at the adjustable boring spindle support of the axially movable a kind of servo-actuated of endoporus.
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 objective of the invention 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, a kind of boring spindle support provided by the invention 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 becomes equally distributed three cylindrical support column 9 of hexagonal angle each other for the external cylindrical 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; 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 1: 10 tapering on the boring machine that supports match;
Above-mentioned threaded rod 2 two are screw 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 for this reason.
Beneficial effect of the present invention is 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.Bracing or strutting arrangement of the present invention 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 invention;
Fig. 2 is the left view of Fig. 1 of the present invention;
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 apparatus of the present invention is done further specific description.
As depicted in figs. 1 and 2, a kind of boring spindle support of the present invention 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 becomes 120 ° of equally distributed three cylindrical support column 9 each other for the external cylindrical surface of reinforcing rib structure is provided with, and 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 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; Supporter 1 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 the cylindrical support column center processes, the one end is connected with the axial thread hole that supporter 1 cylindrical support column center processes, 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 supporter 1 cylindrical support column, 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 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 finished 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 supporter 1 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, a kind of boring spindle support, 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, a kind of boring spindle support 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 1: 10 tapering on corresponding therewith single supporting boring machine match.
3, a kind of boring spindle support 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 3 described a kind of boring spindle supports, 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, a kind of boring spindle support 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, a kind of boring spindle support 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 5 or 6 described a kind of boring spindle supports, it is characterized in that: the material of described threaded rod (2) is high-quality steel material.
8, a kind of boring spindle support 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 |
|---|---|---|---|
| CN2008100225442A CN101342603B (en) | 2008-08-15 | 2008-08-15 | Boring spindle support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100225442A CN101342603B (en) | 2008-08-15 | 2008-08-15 | Boring spindle support |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101342603A true CN101342603A (en) | 2009-01-14 |
| CN101342603B CN101342603B (en) | 2010-06-02 |
Family
ID=40244788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100225442A Expired - Fee Related CN101342603B (en) | 2008-08-15 | 2008-08-15 | Boring spindle support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101342603B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102059373A (en) * | 2010-11-16 | 2011-05-18 | 哈尔滨锅炉厂有限责任公司 | Split overlength shaft sleeve and bearing ring inner bore processing auxiliary device and processing method |
| CN102974859A (en) * | 2012-12-11 | 2013-03-20 | 广州中船黄埔造船有限公司 | Adjustable middle support device for machining overlength shaft |
| CN105479198A (en) * | 2016-01-05 | 2016-04-13 | 衡阳鸿宇机械制造有限公司 | Boring rod auxiliary supporting device |
| CN107234258A (en) * | 2017-07-06 | 2017-10-10 | 昆山华恒焊接股份有限公司 | Boring cutter mechanism and chuck processing method for process pipeline beveling machine chuck |
| CN108838450A (en) * | 2018-06-27 | 2018-11-20 | 兰州城市学院 | A kind of steel tube inner hole wall self orientation rotation milling head component |
| CN112276149A (en) * | 2020-10-21 | 2021-01-29 | 上海东鼎钢结构有限公司 | Method for machining inner hole of marine rudder blade bearing seat and method for fixing boring bar |
| 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 |
| CN114042963A (en) * | 2021-11-06 | 2022-02-15 | 江苏彭中科技发展有限公司 | Drilling machine tool for processing deep hole of machine part |
| CN114054793A (en) * | 2021-12-27 | 2022-02-18 | 黄秀芳 | Hoisting, positioning and lubricating structure of boring rod for machining high-precision frame hole of reciprocating pump |
| CN114192831A (en) * | 2021-12-30 | 2022-03-18 | 青岛港口装备制造有限公司 | Material piling and taking machine bucket wheel body machining tool |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106984970B (en) * | 2016-12-20 | 2019-05-10 | 朱湘冀 | A kind of mechanical concentric parts with modular construction |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2181350Y (en) * | 1993-12-20 | 1994-11-02 | 周西固 | Combined deep-boring machine |
| DE19721997A1 (en) * | 1997-05-27 | 1998-12-03 | Komet Stahlhalter Werkzeug | Machine tool for cutting workpieces |
| CN2543634Y (en) * | 2002-06-05 | 2003-04-09 | 西安双赢贸易有限公司 | Boring machine for bush repairing |
| CN201086149Y (en) * | 2007-07-10 | 2008-07-16 | 武裕 | Full hydraulic pressure deep hole boring machine |
-
2008
- 2008-08-15 CN CN2008100225442A patent/CN101342603B/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102059373B (en) * | 2010-11-16 | 2014-12-17 | 哈尔滨锅炉厂有限责任公司 | Split overlength shaft sleeve and bearing ring inner bore processing auxiliary device and processing method |
| CN102059373A (en) * | 2010-11-16 | 2011-05-18 | 哈尔滨锅炉厂有限责任公司 | Split overlength shaft sleeve and bearing ring inner bore processing auxiliary device and processing method |
| CN102974859A (en) * | 2012-12-11 | 2013-03-20 | 广州中船黄埔造船有限公司 | Adjustable middle support device for machining overlength shaft |
| CN102974859B (en) * | 2012-12-11 | 2015-01-14 | 广州中船黄埔造船有限公司 | Adjustable middle support device for machining overlength shaft |
| CN105479198A (en) * | 2016-01-05 | 2016-04-13 | 衡阳鸿宇机械制造有限公司 | Boring rod auxiliary supporting device |
| CN107234258B (en) * | 2017-07-06 | 2023-10-10 | 昆山华恒焊接股份有限公司 | Boring cutter mechanism for machining chuck of pipeline beveling machine and chuck machining method |
| CN107234258A (en) * | 2017-07-06 | 2017-10-10 | 昆山华恒焊接股份有限公司 | Boring cutter mechanism and chuck processing method for process pipeline beveling machine chuck |
| CN108838450A (en) * | 2018-06-27 | 2018-11-20 | 兰州城市学院 | A kind of steel tube inner hole wall self orientation rotation milling head component |
| 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 |
| CN112276149A (en) * | 2020-10-21 | 2021-01-29 | 上海东鼎钢结构有限公司 | Method for machining inner hole of marine rudder blade bearing seat and method for fixing boring bar |
| CN114042963A (en) * | 2021-11-06 | 2022-02-15 | 江苏彭中科技发展有限公司 | Drilling machine tool for processing deep hole of machine part |
| CN114054793A (en) * | 2021-12-27 | 2022-02-18 | 黄秀芳 | Hoisting, positioning and lubricating structure of boring rod for machining high-precision frame hole of reciprocating pump |
| CN114192831A (en) * | 2021-12-30 | 2022-03-18 | 青岛港口装备制造有限公司 | Material piling and taking machine bucket wheel body machining tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101342603B (en) | 2010-06-02 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 212028 Zhenjiang, Dantu Metro Industrial Park Rui East Road, No. 9 Patentee after: Jiangsu University of Science and Technology Address before: 212003 Zhenjiang,, Jiangsu, Jiangsu University of Science and Technology, No. Patentee before: Jiangsu University of Science and Technology |
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| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20090114 Assignee: Jiangsu Dingsheng Heavy Industry Co., Ltd. Assignor: Jiangsu University of Science and Technology Contract record no.: 2013320000606 Denomination of invention: Boring spindle support Granted publication date: 20100602 License type: Exclusive License Record date: 20130625 |
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