CN110153737A - A kind of supporting device that can keep boring and milling main shaft boring bar line of motion precision - Google Patents
A kind of supporting device that can keep boring and milling main shaft boring bar line of motion precision Download PDFInfo
- Publication number
- CN110153737A CN110153737A CN201910569910.4A CN201910569910A CN110153737A CN 110153737 A CN110153737 A CN 110153737A CN 201910569910 A CN201910569910 A CN 201910569910A CN 110153737 A CN110153737 A CN 110153737A
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- CN
- China
- Prior art keywords
- boring bar
- main shaft
- boring
- guide rail
- cabinet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000003801 milling Methods 0.000 title claims abstract description 22
- 238000009434 installation Methods 0.000 claims abstract description 6
- 238000003754 machining Methods 0.000 abstract description 6
- 238000005520 cutting process Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/72—Auxiliary arrangements; Interconnections between auxiliary tables and movable machine elements
- B23Q1/76—Steadies; Rests
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0032—Arrangements for preventing or isolating vibrations in parts of the machine
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
The invention discloses the supporting devices that one kind can keep boring and milling main shaft boring bar line of motion precision, it include: cabinet, boring bar, main shaft, fulcrum bearing, screw body, the main shaft is mounted on cabinet one end, the boring bar is slidably mounted on inside main shaft, the other end of boring bar is connect with fulcrum bearing, the fulcrum bearing is slidably mounted in cabinet, the screw body is mounted between fulcrum bearing and cabinet, box body-sliding installation bearing seat position is equipped with sliding chamber, the sliding chamber is equipped with guide rail, the guide rail is equipped with heavily loaded sliding shoe, the heavy duty sliding shoe is arranged in guide rail and fulcrum bearing.The present invention is axially moved with four guide rail support boring bars, the cutting impulse force generated when by boring bar machining passes through on four railway effects to spindle box body, the motion change of main shaft boring bar is set to control the range in very little always, enhance the rigidity of boring bar, the kinematic accuracy for improving boring bar improves the efficiency of machining and the precision of converted products.
Description
Technical field
The present invention relates to machining equipment technical field, specially one kind can keep boring and milling main shaft boring bar line of motion
The supporting device of precision.
Background technique
Boring machine is mainly used for machining high-precision hole or the finishing in multiple holes is completed in primary positioning, can additionally be engaged in
Hole finishes the processing of other related machined surfaces, can also be carried out using different cutter and attachment drilling, milling, cutting plus
Work precision and surface quality are higher than drilling machine.It is complete by the different boring template of conversion operation, boring bar on a common boring and milling machine
It is finished at spindle hole and camshaft hole boring.
Currently, the boring bar front end of boring and milling main shaft supports with main shaft internal axle sleeve and boring bar during Boring, with
Guarantee that boring bar stretches out precision, but when processing cutting, vibration caused by processing impulse force can occur for boring bar rear end, influence boring bar fortune
The precision stretched out or retracted when dynamic, workpieces processing surface roughness increase, and dimensional tolerance increases, and boring cutter is easily damaged, boring bar
Vibration can also cause the vibration of lathe, cause the damage of lathe.
Summary of the invention
The purpose of the invention is to provide a kind of supporting device that can keep boring and milling main shaft boring bar line of motion precision,
It is axially moved with four guide rail support boring bars, the cutting impulse force generated when by boring bar machining passes through four railway effects
Onto spindle box body, the motion change of main shaft boring bar is made to control the range in very little always, enhance the rigidity of boring bar, improved
The kinematic accuracy of boring bar, improves the efficiency of machining and the precision of converted products.
In order to achieve the above-mentioned object of the invention, the invention adopts the following technical scheme: one kind can keep boring and milling main shaft boring
The supporting device of bar line of motion precision, comprising: cabinet, boring bar, main shaft, fulcrum bearing, screw body, the main shaft are mounted on case
Body one end, the boring bar are slidably mounted on inside main shaft, and the other end of boring bar is connect with fulcrum bearing, and the fulcrum bearing is slidably installed
In cabinet, the screw body is mounted between fulcrum bearing and cabinet, and box body-sliding installation bearing seat position, which is equipped with, to be slided
Chamber, the sliding chamber are equipped with guide rail, and the guide rail is equipped with heavily loaded sliding shoe, and the heavy duty sliding shoe setting is in guide rail and bearing
Seat.
Preferably, the cunning is intracavitary sets there are four guide rail, and the guide rail is distributed in intracavitary portion of sliding in symmetrical mode, described
By heavily loaded sliding shoe installation bearing seat between four guide rails, and adjust the axially position of fulcrum bearing.
Preferably, two guide rails are used with boring bar and the lead screw line of centres in 45 degree of settings, and two guide rails are adopted
It is arranged with boring bar and the lead screw line of centres in 135 degree.
Preferably, the screw body is made of lead screw and the nut seat being mounted on lead screw, the nut seat peace
In fulcrum bearing, on the end face at the both ends pair that the lead screw both ends are mounted on sliding chamber.
Preferably, the lead screw, guide rail, be parallel to each other between boring bar.
Preferably, the outside of the cabinet is additionally provided with driving motor, and the driving motor is connect with screw body.
Preferably, the guide rail uses spherical guide.
Compared with prior art, boring and milling main shaft boring bar line of motion precision can be kept using above-mentioned technical proposal
Supporting device has the following beneficial effects: using the bearing that can keep boring and milling main shaft boring bar line of motion precision of the invention
Mechanism is arranged heavily loaded sliding shoe and guide rail in box body-sliding installation bearing seat position, controls the motion change of boring bar always
The range of very little enhances the rigidity of boring bar, improves the kinematic accuracy of boring bar, and when boring bar stretches out 700mm, sag of chain can be by
0.02mm/700mm is contracted to 0.007mm/700mm.
Detailed description of the invention
Fig. 1 is the section signal for the supporting device embodiment that the present invention can keep boring and milling main shaft boring bar line of motion precision
Figure；
Fig. 2 is the structural schematic diagram that the supporting device of boring and milling main shaft boring bar line of motion precision can be kept in the present embodiment.
Appended drawing reference: 1, guide rail；2, cabinet；3, boring bar；4, fulcrum bearing；6, screw body；61, lead screw；62, nut seat；
7, sliding chamber；8, main shaft；9, heavily loaded sliding shoe.
Specific embodiment
The present invention is described further with reference to the accompanying drawing.
It is as shown in Figure 1 the diagrammatic cross-section that can keep the supporting device of boring and milling main shaft boring bar line of motion precision, packet
Include: cabinet 2, boring bar 3, main shaft 8, fulcrum bearing 4, screw body 6, main shaft 8 are mounted on 2 one end of cabinet, and boring bar 3 is slidably mounted on master
Inside axis 8, the other end of boring bar 3 is connect with fulcrum bearing 4, and fulcrum bearing 4 is slidably mounted in cabinet 2, and screw body 6 is mounted on branch
It holds between seat 4 and cabinet 2, cabinet 2 is slidably installed 4 position of fulcrum bearing equipped with sliding chamber 7, and sliding chamber 7 is equipped with guide rail 1, sets on guide rail 1
There is heavily loaded sliding shoe 9, heavily loaded sliding shoe 9 is arranged in guide rail 1 and fulcrum bearing 4.
Screw body 6 is made of lead screw 61 and the nut seat being mounted on lead screw 61 62, and nut seat 62 is mounted on branch
It holds on seat 4,61 both ends of lead screw are mounted on the end face at the both ends pair of sliding chamber 7.The outside of cabinet 2 is additionally provided with driving motor, driving
Motor is connect with screw body 6.In the present embodiment, guide rail 1 uses spherical guide 1.Boring and milling master can be kept by being illustrated in figure 2
The structural schematic diagram of the supporting device of axis boring bar line of motion precision is slided and is set in chamber 7 there are four guide rail 1, and guide rail 1 is in symmetrical side
Formula is distributed in inside sliding chamber 7, by 9 installation bearing seat 4 of heavily loaded sliding shoe between four guide rails 1, and adjusts the axial direction of fulcrum bearing 4
Positioning.
Four guide rails 1 being mounted in sliding chamber 7, two of them guide rail 1 are in 45 using with boring bar 3 and 61 line of centres of lead screw
Angle setting is spent, two guide rails 1 are arranged using with boring bar 3 and 61 line of centres of lead screw in 135 degree of angles.Lead screw 61, guide rail 1,
It is parallel to each other between boring bar 3.Fixed heavily loaded sliding shoe 9 is assemblied in cabinet 2 and fulcrum bearing 4 on four spherical guides 1 and guide rail 1
Between, when feed screw 61 pushes boring bar 3 to move, boring bar 3 is fixed with one end of fulcrum bearing 4 to be caused because processing impulse force occurs
Vibration cutting impulse force is limited on cabinet 2, four by adjusting the height of sliding shoe 9 heavily loaded on four spherical guides 1
The hard rail road of angled distribution controls the motion change of boring bar 3 in the range of very little, when boring bar 3 stretches out 700mm, under
Amount of hanging down is contracted to 0.007mm/700mm by 0.02mm/700mm.
It is the preferred embodiment of the present invention above, does not depart from original of the invention for those of ordinary skill in the art
Under the premise of reason, several variations and modifications can also be made, these also should be regarded as protection scope of the present invention.
Claims (7)
1. the supporting device that one kind can keep boring and milling main shaft boring bar line of motion precision, it is characterised in that: include: cabinet (2),
Boring bar (3), main shaft (8), fulcrum bearing (4), screw body (6), the main shaft (8) are mounted on cabinet (2) one end, the boring bar
(3) it is internal to be slidably mounted on main shaft (8), the other end of boring bar (3) is connect with fulcrum bearing (4), and the fulcrum bearing (4) is slidably installed
In cabinet (2), the screw body (6) is mounted between fulcrum bearing (4) and cabinet (2), and the cabinet (2) is slidably installed branch
It holds seat (4) position to be equipped with sliding chamber (7), the sliding chamber (7) is equipped with guide rail (1), and the guide rail (1) is equipped with heavily loaded sliding shoe
(9), the heavily loaded sliding shoe (9) is arranged in guide rail (1) and fulcrum bearing (4).
2. the supporting device according to claim 1 that can keep boring and milling main shaft boring bar line of motion precision, feature exist
In: it is set in the sliding chamber (7) there are four guide rail (1), the guide rail (1) is in that symmetrical mode is distributed in sliding chamber (7) inside, described
By heavily loaded sliding shoe (9) installation bearing seat (4) between four guide rails (1), and adjust the axially position of fulcrum bearing (4).
3. the supporting device according to claim 2 that can keep boring and milling main shaft boring bar line of motion precision, feature exist
In: two guide rails (1) are using, in 45 degree of settings, two guide rails (1) are adopted with boring bar (3) and lead screw (61) line of centres
It is arranged with boring bar (3) and lead screw (61) line of centres in 135 degree.
4. the supporting device according to claim 1 that can keep boring and milling main shaft boring bar line of motion precision, feature exist
In: the screw body (6) is made of lead screw (61) and the nut seat (62) being mounted on lead screw (61), the nut seat
(62) it is mounted on fulcrum bearing (4), on the end face at the both ends pair that lead screw (61) both ends are mounted on sliding chamber (7).
5. the supporting device according to claim 4 that can keep boring and milling main shaft boring bar line of motion precision, feature exist
In: the lead screw (61), linear guides (1), boring bar are parallel to each other between (3).
6. the supporting device according to claim 1 that can keep boring and milling main shaft boring bar line of motion precision, feature exist
In: the outside of the cabinet (2) is additionally provided with driving motor, and the driving motor is connect with screw body (6).
7. the supporting device according to claim 1 that can keep boring and milling main shaft boring bar line of motion precision, feature exist
In: the guide rail (1) uses spherical guide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910569910.4A CN110153737A (en) | 2019-06-27 | 2019-06-27 | A kind of supporting device that can keep boring and milling main shaft boring bar line of motion precision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910569910.4A CN110153737A (en) | 2019-06-27 | 2019-06-27 | A kind of supporting device that can keep boring and milling main shaft boring bar line of motion precision |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110153737A true CN110153737A (en) | 2019-08-23 |
Family
ID=67636868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910569910.4A Pending CN110153737A (en) | 2019-06-27 | 2019-06-27 | A kind of supporting device that can keep boring and milling main shaft boring bar line of motion precision |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110153737A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1356934A (en) * | 1999-07-01 | 2002-07-03 | 报国株式会社 | Machine tool |
| CN101279423A (en) * | 2008-05-26 | 2008-10-08 | 宋保通 | Boring spindle built-in milled spindle floor type boring and milling head |
| WO2012099323A2 (en) * | 2011-01-21 | 2012-07-26 | 두산인프라코어 주식회사 | Highly rigid complex machine |
| CN103586700A (en) * | 2013-11-18 | 2014-02-19 | 天津市天工伟业数控机床有限公司 | Auxiliary damping regulating sliding blocks for linear slide rail |
| CN103586698A (en) * | 2013-10-23 | 2014-02-19 | 杭州大天数控机床有限公司 | Machining center for gantry with four linear rails and ram |
| CN203557113U (en) * | 2013-08-22 | 2014-04-23 | 杭州友佳精密机械有限公司 | Lateral damping device for saddle |
| CN104607702A (en) * | 2015-01-23 | 2015-05-13 | 东莞市天佑数控机械有限公司 | Vertical finish-milling machine |
| CN105014380A (en) * | 2014-04-30 | 2015-11-04 | 盐城市宝利来精密机械制造有限公司 | Automatic boring and milling integrated machine tool |
| CN210451822U (en) * | 2019-06-27 | 2020-05-05 | 江苏大卫精工科技有限公司 | Supporting mechanism capable of keeping linear motion precision of boring and milling spindle boring rod |
-
2019
- 2019-06-27 CN CN201910569910.4A patent/CN110153737A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1356934A (en) * | 1999-07-01 | 2002-07-03 | 报国株式会社 | Machine tool |
| CN101279423A (en) * | 2008-05-26 | 2008-10-08 | 宋保通 | Boring spindle built-in milled spindle floor type boring and milling head |
| WO2012099323A2 (en) * | 2011-01-21 | 2012-07-26 | 두산인프라코어 주식회사 | Highly rigid complex machine |
| CN203557113U (en) * | 2013-08-22 | 2014-04-23 | 杭州友佳精密机械有限公司 | Lateral damping device for saddle |
| CN103586698A (en) * | 2013-10-23 | 2014-02-19 | 杭州大天数控机床有限公司 | Machining center for gantry with four linear rails and ram |
| CN103586700A (en) * | 2013-11-18 | 2014-02-19 | 天津市天工伟业数控机床有限公司 | Auxiliary damping regulating sliding blocks for linear slide rail |
| CN105014380A (en) * | 2014-04-30 | 2015-11-04 | 盐城市宝利来精密机械制造有限公司 | Automatic boring and milling integrated machine tool |
| CN104607702A (en) * | 2015-01-23 | 2015-05-13 | 东莞市天佑数控机械有限公司 | Vertical finish-milling machine |
| CN210451822U (en) * | 2019-06-27 | 2020-05-05 | 江苏大卫精工科技有限公司 | Supporting mechanism capable of keeping linear motion precision of boring and milling spindle boring rod |
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