CN106424835A - Fine boring apparatus based on common boring bar - Google Patents
Fine boring apparatus based on common boring bar Download PDFInfo
- Publication number
- CN106424835A CN106424835A CN201611145077.3A CN201611145077A CN106424835A CN 106424835 A CN106424835 A CN 106424835A CN 201611145077 A CN201611145077 A CN 201611145077A CN 106424835 A CN106424835 A CN 106424835A
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- CN
- China
- Prior art keywords
- boring
- boring bar
- common
- bar
- cutter hub
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- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
- B23B41/16—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor for boring holes with high-quality surface
Abstract
The invention discloses a kind of fine boring apparatus based on common boring bar, including common boring bar and the boring combination cutter hub that is arranged on common boring bar it is characterised in that：In the described knife side of common boring bar, transition boring bar is installed, and the front end of this transition boring bar is provided with the location hole installing boring combination cutter hub and hold-down apertures, wherein, the body of rod of this transition boring bar is square with the cooperation of knife side, and is pressed on common boring bar by housing screw, the arrangement achieves the purpose that common boring bar also can carry out right boring, original knife square hole on the square hole common boring bar of borrow of transition boring bar is installed need not remake, low cost, structure is simple, it is easy to operate, practical.
Description
Technical field
Patent of the present invention is related to machining technology field, especially a kind of and common boring bar is combined, can boring pin larger
Size and the higher workpiece of required precision.
Background technology
In machine tooling production technical field, for the unit not having relatively large machining center or special equipment, lathe master
The processing in axle box hole is the difficult problem of a comparison.The main spindle box body specification of some machine tool products is larger, not only box body main hole
Diameter is big and shape, size tolerance requirements are higher, the axiality in hole on several walls in casing requires relatively tighter, adopts during processing
The method generally striking cutter head in the added boring bar of boring machine requires probability that is high and producing waste product also very to the technical merit of workman
Greatly.If using the boring bar being provided with fine boring head in boring spindle in the hole, because the distance between casing endoporus and hole is larger, boring bar
Longer, the larger cutter head of volume equipped with the boring head of boring combination cutter hub of needing to overhang can produce sagging, make the hole that processes with
Axle degree and cylindricity are difficult to ensure that.Radial direction square through hole, referred to as knife side is offered, if straight on common boring bar on common boring bar
The diameter connecing the so common boring bar of installation boring combination cutter hub can not meet the multiple requirements by boring aperture of change, and installs essence
The installing hole of boring combined cutter need to specially make.
Content of the invention
For the problems of the prior art, the invention aims to providing the large-size box part upper shaft on a kind of lathe
A kind of fine boring apparatus based on common boring bar of hole machined, this device can utilize common boring bar, installs in square hole in its cutter head
(being also in knife side, this knife square hole borrows original knife square hole on common boring bar and need not remake) installs a section is square
Transition boring bar, transition boring bar end install a boring combination cutter hub, enable the device to by adjust boring combination cutter hub
Realize the accurate processing of device to hole, furthermore due to common boring bar be frame two ends this device volume of installation way less, so unsuitable
The problems such as sagging axiality leading to of generation, cylindricity are overproof.Technical merit to workman simultaneously simple to operate is less demanding.
In order to achieve the above object, the technical scheme is that：
A kind of fine boring apparatus based on common boring bar, including common boring bar and the boring combination knife being arranged on common boring bar
Body it is characterised in that：Transition boring bar is installed in the described knife side of common boring bar, and the front end of this transition boring bar is provided with peace
The location hole of dress boring combination cutter hub and hold-down apertures, wherein, the body of rod of this transition boring bar is square with the cooperation of knife side, and passes through
Housing screw is pressed on common boring bar.
Further, the described body of rod of transition boring bar is coordinated for gap with the knife side of common boring bar, and the mistake after installation
Cross boring bar overhang out common boring bar partly in, the point width common boring bar axle center of boring combination cutter hub distance is less than needing boring pin-and-hole
Radius, and subsequently through fine setting boring combination cutter hub cutter head, make the common boring of point width of the boring combination cutter hub after assembling
Bar axle center distance is equal to the radius needing boring hole, so, convenient when installing transition boring bar and boring combination cutter hub, subsequently
Point of a knife extension elongation by finely tuning combined cutter meets processing dimension and requires again, easy to assembly, and machining accuracy is high.
Further, the depth that the location hole of boring combination cutter hub is installed in described transition boring bar front end is more than boring combination
The length of cutter hub position portion, and this location hole is interference fits with boring combination cutter hub.
Further, the position of hold-down apertures and the boring combination knife of boring combination cutter hub is installed in described transition boring bar front end
Body screwing via position dimension is consistent
Boring combination cutter hub is combined it is achieved that general by the art of this patent by adjustable transition boring bar with common boring bar
Logical boring bar also can carry out the purpose of right boring, low cost, and structure is simple, is easy to operate, practical, the length and transition boring bar overhangs
Degree adjusting range is big, can carry out Boring to multiple different pore size casings.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, acceptable
Other accompanying drawings are obtained according to these accompanying drawings.
Accompanying drawing 1 is the assembling structure schematic diagram of this device；
Accompanying drawing 2 is the partial side view of accompanying drawing 1；
Accompanying drawing 3 is the location hole structural representation that in this device, boring combination cutter hub installed by transition boring bar；
Accompanying drawing 4 is the other hold-down apertures arrangement schematic diagram of location hole in accompanying drawing 3；
Accompanying drawing 5 is boring combination structure of the cutter body schematic diagram.
Specific embodiment
With reference to the accompanying drawings and examples the present invention is further described.
5th, as shown in drawings, a kind of fine boring apparatus based on common boring bar, including common boring bar 2 be arranged on common boring bar
Boring combination cutter hub 5 on 2, is provided with transition boring bar 3 in the described knife side of common boring bar 2, boring combination cutter hub 5 is arranged on
On transition boring bar 3, transition boring bar 3 is arranged in the knife side of common boring bar 2, thus realizing the knot of fine boring apparatus and common boring bar 2
Close, and the front end of this transition boring bar 3 is provided with the location hole installing boring combination cutter hub 5 and hold-down apertures, the depth of location hole is big
In the length of boring combination cutter hub 5 position portion, and this location hole is interference fits with boring combination cutter hub 5, prevents location hole
Interfere boring combination cutter hub 5, and can this boring combination cutter hub 5 of fixation, the position of hold-down apertures and spiral shell on boring combination cutter hub 5
Nail via position dimension is consistent, and boring combination cutter hub 5 can be enable smoothly to be installed on transition boring bar 3, wherein, this transition boring bar
3 body of rod is square with the cooperation of knife side, and is pressed on common boring bar 2 by housing screw 1, the cross section of transition boring bar 3
For square, to prevent from being rotated by external force effect generation during transition boring bar 3 work, the body of rod of transition boring bar 3 and common boring bar 2
Knife side be gap cooperation, and install after transition boring bar 3 overhang out common boring bar 2 partly in, the point of a knife of boring combination cutter hub 5
Away from common boring bar 2 axle center distance less than the radius needing boring pin-and-hole, and make assembling subsequently through the cutter head of fine setting boring combination cutter hub 5
The common boring bar of the point width 2 axle center distance of boring combination cutter hub 5 afterwards is equal to the radius needing boring pin to cut hole.Cooperation is in common boring bar
Length within 2 should position enough and compress.The cantilevered length of transition boring bar 3 can be determined according to boring pore diameter size, pass through
Transition boring bar 3 is compressed by housing screw 1, and boring combination cutter hub 5 is arranged on the positioning in the hole of the end of transition boring bar 3, and passes through
Screw 4 is fixing, ensures bore size by adjusting the fine setting of boring combination cutter hub 5.This device may be implemented in peace on common boring bar 2
Dress boring combination cutter hub 5, the size range that hole is processed in boring is larger, can use in the case of single-piece or batch production.
When specifically used, the Mohs cone of common boring bar 2 is installed the mohs tapered bore of cooperation and the same size of boring spindle
Interior, and common boring bar 2 pass through workpiece to be machined treat boring hole, the tail end of the common boring bar of tail-holder rack 2 of boring machine, this device is peace
It is contained in the knife side on common boring bar 2, transition boring bar 3 cantilevered length is determined according to boring pore diameter size, by housing screw 1
Transition boring bar 3 is compressed, boring combination cutter hub 5 is arranged on the end of transition boring bar 3, compressed by screw 4, then pass through adjustment
Boring combination cutter hub 5 fine setting ensures bore size.This device may be implemented in installation boring combination cutter hub 5 on common boring bar 2, adjustment
During large-size, unclamp housing screw 1, moved along common boring bar 2 radial direction with hand propelled transition boring bar 3, wait to move on to properly
Tighten housing screw 1 during position, so that transition boring bar 3 cantilevered length is fixed, the fine setting of adjustment boring combination cutter hub 5 reaches to realize
Accurate processing to workpiece.Be can achieve to the box body hole of larger size range or the processing of axis hole using the method.
It should be noted that boring combination cutter hub 5 herein is general fine boring tool in industry, it is typically by factory
Family is referred to as right boring unit, is existing maturation workpiece, meanwhile, for the ease of the installation of transition boring bar 3 and common boring bar 2, adjustment, if
The knife side of meter transition boring bar 3 and common boring bar 2 coordinates for H7/h6, adjusts transition boring bar 3 according to boring pore size and overhangs length
Degree, has an advantage in that：Avoid frequently assembling and disassembling boring combination cutter hub 5, make boring combination cutter hub 5 positioning is cylindrical and installation screw meets with
Lose precision to abrasion, generally boring combination cutter hub is not suitable for frequently dismantling.This transition boring bar 3 overhangs out general
The length of logical boring bar 2 part should be able to meet the dimensional requirement in boring hole, and length within common boring bar 2 for the cooperation should be determined enough
Position and compression.
It is understood that above with respect to the specific descriptions of the present invention, being merely to illustrate the present invention and be not limited to this
Technical scheme described by inventive embodiments, it will be understood by those within the art that, still the present invention can be carried out
Modification or equivalent, to reach identical technique effect；As long as meet use needs, all protection scope of the present invention it
Interior.
Claims (4)
1. a kind of fine boring apparatus based on common boring bar, including common boring bar (2) with the right boring group that is arranged on common boring bar (2)
Close cutter hub (5) it is characterised in that：In the described knife side of common boring bar (2), transition boring bar (3) is installed, and this transition boring bar
(3) front end is provided with the location hole installing boring combination cutter hub (5) and hold-down apertures, and wherein, the body of rod of this transition boring bar (3) is
Square with what knife side coordinated, and be pressed on common boring bar (2) by housing screw (1).
2. a kind of fine boring apparatus based on common boring bar according to claim 1 it is characterised in that：Described transition boring bar
(3) the body of rod is coordinated for gap with the knife side of common boring bar (2), and the transition boring with boring combination cutter hub (5) after installation
Bar (3) overhang out common boring bar (2) partly in, point width common boring bar (2) the axle center distance of boring combination cutter hub (5) is less than
Need the radius of boring pin-and-hole, and make the boring combination cutter hub (5) after assembling subsequently through the cutter head of fine setting boring combination cutter hub (5)
Point width common boring bar (2) axle center distance is equal to the radius needing boring pin-and-hole.
3. a kind of fine boring apparatus based on common boring bar according to claim 1 it is characterised in that：Described transition boring bar
(3) length more than boring combination cutter hub (5) position portion for the depth of the location hole of boring combination cutter hub (5) is installed in front end, and
This location hole and boring combination cutter hub (5) are interference fits.
4. a kind of fine boring apparatus based on common boring bar according to claim 1 it is characterised in that：Described transition boring bar
(3) position of hold-down apertures and boring combination cutter hub (5) the screwing via position dimension one of boring combination cutter hub (5) is installed in front end
Cause.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611145077.3A CN106424835A (en) | 2016-12-13 | 2016-12-13 | Fine boring apparatus based on common boring bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611145077.3A CN106424835A (en) | 2016-12-13 | 2016-12-13 | Fine boring apparatus based on common boring bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106424835A true CN106424835A (en) | 2017-02-22 |
Family
ID=58217039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611145077.3A Pending CN106424835A (en) | 2016-12-13 | 2016-12-13 | Fine boring apparatus based on common boring bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106424835A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101844241A (en) * | 2010-05-22 | 2010-09-29 | 东方电气集团东方汽轮机有限公司 | Machining device for counter bore side of connection hole of turbine rotor and method thereof |
| CN202037345U (en) * | 2011-03-23 | 2011-11-16 | 绍兴汉纳机电设备有限公司 | Boring cutter |
| CN202741766U (en) * | 2012-08-31 | 2013-02-20 | 泗洪益盛机械有限公司 | Adjustable boring cutter holder |
| CN202963498U (en) * | 2012-10-18 | 2013-06-05 | 长沙市天映机械制造有限公司 | Radially adjustable boring bar for finish-machining large holes of large equipment |
| CN104014827A (en) * | 2014-06-13 | 2014-09-03 | 沈阳飞机工业（集团）有限公司 | Flexible and adjustable boring cutter |
| JP2015223684A (en) * | 2014-05-29 | 2015-12-14 | 株式会社東芝 | Machine tool |
| CN205324791U (en) * | 2016-02-22 | 2016-06-22 | 杭州汽轮机股份有限公司 | A 90 degrees adjustable boring tool of square body that is used for boring machine facing head finish boring hole |
| CN206343663U (en) * | 2016-12-13 | 2017-07-21 | 安阳睿恒数控机床股份有限公司 | Fine boring apparatus based on common boring bar |
-
2016
- 2016-12-13 CN CN201611145077.3A patent/CN106424835A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101844241A (en) * | 2010-05-22 | 2010-09-29 | 东方电气集团东方汽轮机有限公司 | Machining device for counter bore side of connection hole of turbine rotor and method thereof |
| CN202037345U (en) * | 2011-03-23 | 2011-11-16 | 绍兴汉纳机电设备有限公司 | Boring cutter |
| CN202741766U (en) * | 2012-08-31 | 2013-02-20 | 泗洪益盛机械有限公司 | Adjustable boring cutter holder |
| CN202963498U (en) * | 2012-10-18 | 2013-06-05 | 长沙市天映机械制造有限公司 | Radially adjustable boring bar for finish-machining large holes of large equipment |
| JP2015223684A (en) * | 2014-05-29 | 2015-12-14 | 株式会社東芝 | Machine tool |
| CN104014827A (en) * | 2014-06-13 | 2014-09-03 | 沈阳飞机工业（集团）有限公司 | Flexible and adjustable boring cutter |
| CN205324791U (en) * | 2016-02-22 | 2016-06-22 | 杭州汽轮机股份有限公司 | A 90 degrees adjustable boring tool of square body that is used for boring machine facing head finish boring hole |
| CN206343663U (en) * | 2016-12-13 | 2017-07-21 | 安阳睿恒数控机床股份有限公司 | Fine boring apparatus based on common boring bar |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170222 |