CN106312110A - A boring reamer and a machining center - Google Patents
A boring reamer and a machining center Download PDFInfo
- Publication number
- CN106312110A CN106312110A CN201510338621.5A CN201510338621A CN106312110A CN 106312110 A CN106312110 A CN 106312110A CN 201510338621 A CN201510338621 A CN 201510338621A CN 106312110 A CN106312110 A CN 106312110A
- Authority
- CN
- China
- Prior art keywords
- bar
- knife bar
- bar portion
- boring reamer
- boring
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
- B23B27/10—Cutting tools with special provision for cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D77/00—Reaming tools
- B23D77/006—Reaming tools with means for lubricating or cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/02—Machine tools for performing different machining operations
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Milling, Broaching, Filing, Reaming, And Others (AREA)
Abstract
The invention provides a boring reamer and a machining center and relates to the technical field of engineering machinery. The technical problem in the prior art that a boring reamer has no self-centering function so that the machining precision of holes is relatively low is solved. The boring reamer comprises a blade and a cutter bar. The cutter bar successively comprises, in the length direction thereof, a cutting bar part fixedly connected with the blade, a flexible bar part providing elastic centering force for the cutter bar, and a rear end bar part which is connected with a drive mechanism to receive rotation driving force. In the length direction of the cutter bar, the sum of the size of the flexible bar part and the size of the rear end bar part is not less than the size of the cutting bar part. The machining center comprises a general cutter handle and the boring reamer provided by the invention. The machining precision of holes can be improved.
Description
Technical field
The present invention relates to technical field of engineering machinery, particularly relate to a kind of boring reamer and setting should
The machining center of boring reamer.
Background technology
Draw ratio (axial dimension of draw ratio finger-hole and the ratio of hole internal diameter size of valve body spool bore
Value) mostly more than 10, the processing to valve body spool bore belongs to deep and long hole processing.
The per pass working procedure processing precision of deep and long hole machining process is required to the highest, wherein,
It it is exactly significantly honing front valve core hole Precision Machining operation.This procedure size essence to spool bore
Degree, roughness, linearity have the highest requirement.To this end, to the main axis jerking of machining center,
The precision of machining center etc. propose the highest requirement, correspondingly improve being processed into of spool bore
This.
Applicants have discovered that: prior art at least exists techniques below problem:
Prior art exists boring reamer not there is self-centering function, cause the machining accuracy in hole relatively
Low technical problem.In order to promote the lifting of domestic spool bore crudy, exploitation has to be made by oneself
The spool bore Precision Machining cutter of cardiac function is particularly important.
Summary of the invention
One of them purpose of the present invention is to propose a kind of boring reamer and arrange this boring reamer
Machining center, solves and there is boring reamer in prior art and do not have self-centering function, cause hole
The relatively low technical problem of machining accuracy.Preferred skill in many technical schemes that the present invention provides
Many technique effects elaboration as detailed below that art scheme can be generated by.
For achieving the above object, the invention provides techniques below scheme:
The boring reamer that the embodiment of the present invention provides, including blade and knife bar, described knife bar is along it
Length direction includes three parts being connected according to this, and this three part is connect fixing with described blade according to this
The cutting bar portion that connects, for provide for described knife bar elastic centering power rods portion and for
The bar portion, rear end receiving rotary driving force it is connected with drive mechanism；
On the length direction of described knife bar, described rods portion and bar portion, described rear end
Size sum is not less than the size in described cutting bar portion.
The further optimization of the arbitrary technical scheme provided above or hereinafter as the present invention, described
Knife bar is cylindric, and the length direction of described knife bar is the axial direction of described knife bar, described cutter
Being additionally provided with gib block on bar, described gib block deviates from the part of described knife bar axial line and protrudes institute
State the circumferential exterior surface of knife bar.
The further optimization of the arbitrary technical scheme provided above or hereinafter as the present invention, described
The number of gib block is three, and it is evenly distributed on the circumferential exterior surface position in described cutting bar portion
Part outside described blade.
The further optimization of the arbitrary technical scheme provided above or hereinafter as the present invention, described
The length of mounting groove, the length direction of described mounting groove and described knife bar it is provided with in cutting bar portion
Direction is consistent, and described gib block is embedded in described mounting groove.
The further optimization of the arbitrary technical scheme provided above or hereinafter as the present invention, described
Cutting bar portion, described blade and described gib block each deviate from the end in bar portion, described rear end
Cross section outer profile size is gradually reduced along the direction deviating from bar portion, described rear end.
The further optimization of the arbitrary technical scheme provided above or hereinafter as the present invention, described
Blade and described gib block are the most all welded in described cutting bar portion.
The further optimization of the arbitrary technical scheme provided above or hereinafter as the present invention, described
It is additionally provided with the axial direction along described knife bar in boring reamer at least to run through in described cutting bar portion
Portion's cooling liquid passage.
The further optimization of the arbitrary technical scheme provided above or hereinafter as the present invention, described
The radial direction that cutting bar portion is additionally provided with along described knife bar runs through wherein side, described cutting bar portion
The through hole of wall body, on the subregion of the inwall that described blade is fixedly connected on described through hole, and
Gap between the remainder region of described blade and described through-hole wall forms coolant chip
Transmission mouth.
The further optimization of the arbitrary technical scheme provided above or hereinafter as the present invention, in institute
State on the length direction of knife bar, described rods portion and the size sum in bar portion, described rear end
For 1.5～3.5 times of the size in described cutting bar portion, the axial dimension of described knife bar and described cutter
The ratio of the outside dimension of bar is 5～10.
The machining center that the embodiment of the present invention provides, including the arbitrary skill of general handle of a knife and the present invention
The boring reamer that art scheme provides, described general handle of a knife drives even with the bar portion, rear end of described boring reamer
Connect.
Based on technique scheme, the embodiment of the present invention at least can produce following technique effect:
Owing to the rods portion of the knife bar of the boring reamer of present invention offer can be that knife bar provides bullet
Property centering power, this elastic centering power can make boring reamer in processing hole (such as: spool bore)
During, the axial line of boring reamer convergence of trying one's best with the axial line in processed hole overlaps, and thus carries
, boring reamer is there is in prior art not there is self-centering in the high machining accuracy in hole so solving
Function, causes the technical problem that the machining accuracy in hole is relatively low.
Additionally, the optimal technical scheme in many technical schemes of present invention offer and prior art
Compare, at least can also produce following many technique effects:
1, blade, knife bar, gib block are simple to manufacture；
2, to be directed to cutting, scraping, finishing tool highly integrated for the course of processing, it is ensured that spool bore
Dimensional accuracy, linearity and roughness；
3, the interior cold function of boring reamer, beneficially chip discharge, improve spool bore machining accuracy,
Tool life；
4, the setting in rods portion makes boring reamer of the present invention define flexible boring reamer, flexible boring
The self-centering function of reamer reduces the spool bore high accuracy processing dependence to lathe, reduces life
Produce cost, it is easy to accomplish commercial application.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the application
A part, the schematic description and description of the present invention is used for explaining the present invention, not structure
Become inappropriate limitation of the present invention.In the accompanying drawings:
The schematic front view of the boring reamer that Fig. 1 is provided by the embodiment of the present invention；
The left view schematic diagram that Fig. 2 is provided by the embodiment of the present invention；
Reference: 1, blade；2, knife bar；21, cutting bar portion；22, rods portion；
23, rear end bar portion；24, internal cooling liquid passage；25, coolant chip transmission mouth；3、
Gib block.
Detailed description of the invention
Be referred to accompanying drawing Fig. 1～Fig. 2 below and word content understand present disclosure with
And the distinctive points between the present invention and prior art.Hereafter by accompanying drawing and enumerate the present invention's
The mode of some alternative embodiments, to technical scheme (including optimal technical scheme)
It is described in further detail.It should be understood that any technical characteristic in the present embodiment,
Any technical scheme be all the one in the technical characteristic of plurality of optional or optional technical scheme or
Several, in order to describe succinct need in presents cannot the exhaustive present invention all alternatively
Technical characteristic and alternative technical scheme, be also not easy to the embodiment of each technical characteristic
All emphasize that it is one of optional numerous embodiments, so those skilled in the art should know:
Any two arbitrary technological means that the present invention provides can being replaced or the present invention being provided
Individual or more technological means or technical characteristic are combined mutually and obtain new technical scheme.
Any technical characteristic in the present embodiment and any technical scheme are all not intended to the protection of the present invention
Scope, protection scope of the present invention should include that those skilled in the art do not pay creative work
Thinkable any alternate embodiments and those skilled in the art appointing that the present invention is provided
The new technology that two or more technological means of anticipating or technical characteristic are combined mutually and obtain
Scheme.
Embodiments providing one and have self-centering function, the machining accuracy in hole is relatively
High boring reamer and the machining center of this boring reamer is set.
The technical scheme provided the present invention below in conjunction with Fig. 1～Fig. 2 is explained in more detail
State.
As shown in Fig. 1～Fig. 2, the boring reamer that the embodiment of the present invention is provided, including blade 1
And knife bar 2, knife bar 2 includes three parts being connected according to this along its length, this three part
The cutting bar portion 21 that is connected for fixing with blade 1 according to this, it is used for providing elastic centering for knife bar 2
The rods portion 22 of power and for (this drive mechanism preferably comprises general cutter with drive mechanism
Handle and by general handle of a knife and bar portion 23, rear end drive connection) be connected to receive rotary driving force
Bar portion, rear end 23；
On the length direction of knife bar 2, rods portion 22 and the size in both bar portions, rear end 23
Sum is not less than the size in (preferably greater than) cutting bar portion 21.
Owing to the rods portion 22 of the knife bar 2 of the boring reamer of present invention offer can be knife bar 2
Thering is provided elastic centering power, this elastic centering power can make boring reamer in processing hole (such as: spool
Hole) during, the axial line of boring reamer convergence of trying one's best with the axial line in processed hole overlaps,
Which thereby enhance the machining accuracy in hole.
As the optional embodiment of the arbitrary technical scheme of the present invention, knife bar 2 is cylindric, cutter
The length direction of bar 2 is the axial direction of knife bar 2, and knife bar 2 is additionally provided with gib block 3,
Gib block 3 deviates from the circumferential exterior surface of the part protrusion knife bar 2 of knife bar 2 axial line.
During gib block 3 is possible not only to guarantee boring reamer processing hole, directivity is even more ideal,
And may also operate as supporting, rolling effect, thus further increase the machining accuracy in hole.
As the optional embodiment of the arbitrary technical scheme of the present invention, the number of gib block 3 is three
Individual, and its circumferential exterior surface being evenly distributed on cutting bar portion 21 is positioned at the part outside blade 1.
Said structure can make boring reamer feeding during circumferential exterior surface circumferentially direction everywhere
Stress is more uniformly distributed, and thus while guaranteeing the machining accuracy in hole, improves making of boring reamer
By life-span and functional reliability.
As the optional embodiment of the arbitrary technical scheme of the present invention, cutting bar portion 21 is arranged
Having mounting groove, the length direction of mounting groove is consistent with the length direction of knife bar 2, gib block 3
It is embedded in mounting groove.The positional precision that said structure has gib block 3 is high, easy for installation, even
Connect reliable advantage.
As the optional embodiment of the arbitrary technical scheme of the present invention, cutting bar portion 21, blade 1
And gib block 3 each deviates from the cross section outer profile size of end in bar portion, rear end 23 along deviating from
The direction in bar portion, rear end 23 is gradually reduced.This structure is conducive to boring reamer during processing hole
Progress in processed hole, thus improve the processing in feed speed, working (machining) efficiency and hole
Precision.
As the optional embodiment of the arbitrary technical scheme of the present invention, blade 1 is each with gib block 3
From being all welded in cutting bar portion 21.Welding has compact conformation, connects reliable advantage.
As the optional embodiment of the arbitrary technical scheme of the present invention, in boring reamer, it is additionally provided with edge
The axial direction of knife bar 2 at least run through cutting bar portion 21 internal cooling liquid passage (or claim:
Interior cold runner) 24.The reduction boring reamer the most in time that is provided with of internal cooling liquid passage 24 exists
The heat of savings in cutting process, improves service life and the reliability of boring reamer.
As the optional embodiment of the arbitrary technical scheme of the present invention, cutting bar portion 21 also sets up
The radial direction along knife bar 2 is had to run through the through hole of a cutting bar portion 21 wherein sidewall bodies, blade 1
On the subregion of the inwall being fixedly connected on through hole, and its remaining part of blade 1 and through-hole wall
Gap between subregion forms coolant chip transmission mouth 25.
Said structure not only facilitates the assembling of blade 1, and is conducive to chip discharge in time,
Avoid chip that machining accuracy and working (machining) efficiency are adversely affected.
As the optional embodiment of the arbitrary technical scheme of the present invention, at the length direction of knife bar 2
On, rods portion 22 and the size that size sum is cutting bar portion 21 in both bar portions, rear end 23
1.5～3.5 times, the ratio of the outside dimension of the axial dimension of knife bar 2 and knife bar 2 (or claim:
Draw ratio) it is 5～10.On the length direction of knife bar 2, rods portion 22 and bar portion, rear end
Size sum both 23 is the longest, then the elastic centering power that it can export is the biggest, self-centering
Function is the strongest.Above-mentioned size range is only preferred scope, uses the rods of other sizes
Portion 22 and bar portion, rear end 23 are also within protection scope of the present invention.
The machining center (or claim: the CNC milling machine of band tool magazine) that the embodiment of the present invention provides, bag
Including general handle of a knife and the boring reamer of the present invention arbitrary technical scheme offer, general handle of a knife cuts with scissors with boring
Bar portion 23, the rear end drive connection of cutter.Machining center suitably applies the present invention to improve it to hole
Machining accuracy.Certainly, other lathes outside the present invention can also be applied to machining center or cut
On turning equipment.
The optimal technical scheme that the present invention of concentration elaboration below provides:
The boring reamer that optimal technical scheme of the present invention provides is that one is applicable to spool bore polish
Flexible boring reamer, its primary structure includes blade 1, knife bar 2, and three gib blocks 3.
Blade 1 is connected by welding means are fixing with knife bar 2 with gib block 3.Blade 1 has guiding
Cutting, scraping, finishing tool effect.Knife bar 2 has bar portion, rear end 23, rods portion 22, cutting
Bar portion 21, bar portion, rear end 23 can realize being connected with all general handle of a knifes；In the course of processing,
Rods portion 22 realizes self centering function；Cutting bar portion 21 is mainly used in installing blade 1
With gib block 3, and guarantee that solid tool has guide function.Interior cold flow it is designed with in knife bar 2
Road so that cutter has interior cold function, it is simple to the discharge of chip.Gib block 3 is according to cutting bar
The configuration design in portion 21, work in-process play guiding, support, rolling effect.
Arbitrary technical scheme disclosed in the invention described above unless otherwise stated, if it discloses
Numerical range, then disclosed numerical range is preferred numerical range, any this area
Skilled artisans appreciated that: preferably numerical range is only technology in many enforceable numerical value
The numerical value that effectiveness comparison is obvious or representative.Owing to numerical value is more, it is impossible to exhaustive, so
The present invention just open component values to illustrate technical scheme, and, above-mentioned row
The numerical value lifted should not constitute the restriction to the invention protection domain.
If being used herein the word such as " first ", " second " to if limiting parts,
Those skilled in the art should know: " first ", the use of " second " are only used to just
Distinguishing parts on describing such as does not has outside Stated otherwise, and above-mentioned word is the most special
Implication.
Meanwhile, if the invention described above discloses or relate to parts or the knot of connection fastened to each other
Component, then, unless otherwise stated, fixing connection is it is to be understood that can releasably fix
Connect (such as using bolt or screw to connect), it is understood that for: non-removable fixing
Connecting (such as rivet, weld), certainly, connection fastened to each other can also be integral type structure
(such as use casting technique is integrally formed manufacture) is replaced (substantially cannot be used integrally
Except forming technology).
It addition, being used for applied in arbitrary technical scheme disclosed in the invention described above represents position
The term of relation or shape its implication unless otherwise stated includes approximating with it, similar or close
State or shape.The either component that the present invention provides both can be by multiple single ingredients
Assemble, it is also possible to the separate part that the technique that is one of the forming manufactures.
If employ in describing the invention term " " center ", " longitudinally ", " laterally ",
"front", "rear", "left", "right", " vertically ", " level ", " top ",
" end ", " interior ", " outward " etc., then orientation or the position relationship of the instruction of above-mentioned term are
Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplification is retouched
State rather than indicate or imply the boring reamer of indication or element must have specific orientation, with
Specific azimuth configuration and operation, therefore it is not intended that limiting the scope of the invention.
Finally should be noted that: above example only in order to technical scheme to be described and
Non-to its restriction；Although the present invention being described in detail with reference to preferred embodiment, affiliated
The those of ordinary skill in field is it is understood that still can enter the detailed description of the invention of the present invention
Row is revised or portion of techniques feature is carried out equivalent；Without deviating from technical solution of the present invention
Spirit, it all should be contained in the middle of the technical scheme scope that the present invention is claimed.
Claims (10)
1. a boring reamer, it is characterised in that include blade and knife bar, described knife bar edge
Its length direction includes three parts being connected according to this, and this three part is according to this for fix with described blade
The cutting bar portion connected, the rods portion and the use that are used for providing elastic centering power for described knife bar
In being connected the bar portion, rear end that receives rotary driving force with drive mechanism；
On the length direction of described knife bar, described rods portion and bar portion, described rear end
Size sum is not less than the size in described cutting bar portion.
Boring reamer the most according to claim 1, it is characterised in that described knife bar is circle
Column, the length direction of described knife bar is the axial direction of described knife bar, and described knife bar also sets
Being equipped with gib block, described gib block deviates from the part of described knife bar axial line and protrudes described knife bar
Circumferential exterior surface.
Boring reamer the most according to claim 2, it is characterised in that described gib block
Number is three, and its circumferential exterior surface being evenly distributed on described cutting bar portion is positioned at described cutter
Part outside sheet.
Boring reamer the most according to claim 2, it is characterised in that described cutting bar portion
On be provided with mounting groove, the length direction of the length direction of described mounting groove and described knife bar mutually
Causing, described gib block is embedded in described mounting groove.
Boring reamer the most according to claim 2, it is characterised in that described cutting bar portion,
Described blade and described gib block each deviate from the cross section foreign steamer of the end in bar portion, described rear end
Wide size is gradually reduced along the direction deviating from bar portion, described rear end.
Boring reamer the most according to claim 2, it is characterised in that described blade and institute
State gib block to be the most all welded in described cutting bar portion.
Boring reamer the most according to claim 1, it is characterised in that in described boring reamer
It is additionally provided with the axial direction along described knife bar and at least runs through the internal coolant in described cutting bar portion
Body passage.
Boring reamer the most according to claim 7, it is characterised in that described cutting bar portion
It is additionally provided with the radial direction along described knife bar and runs through the logical of a described cutting bar portion wherein sidewall bodies
Hole, on the subregion of the inwall that described blade is fixedly connected on described through hole, and described blade
And the gap between the remainder region of described through-hole wall forms coolant chip transmission mouth.
Boring reamer the most according to claim 1, it is characterised in that at described knife bar
On length direction, the size sum in described rods portion and bar portion, described rear end be described in cut
Cut 1.0～3.5 times of size in bar portion, the external diameter of the axial dimension of described knife bar and described knife bar
The ratio of size is 5～10.
10. a machining center, it is characterised in that include general handle of a knife and claim 1
-9 arbitrary described boring reamers, described general handle of a knife drives even with the bar portion, rear end of described boring reamer
Connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510338621.5A CN106312110A (en) | 2015-06-17 | 2015-06-17 | A boring reamer and a machining center |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510338621.5A CN106312110A (en) | 2015-06-17 | 2015-06-17 | A boring reamer and a machining center |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106312110A true CN106312110A (en) | 2017-01-11 |
Family
ID=57732918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510338621.5A Pending CN106312110A (en) | 2015-06-17 | 2015-06-17 | A boring reamer and a machining center |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106312110A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109332930A (en) * | 2018-10-30 | 2019-02-15 | 石家庄惠德机械工具厂 | The manufacturing method of right knife bar |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1247784A (en) * | 1998-12-03 | 2000-03-22 | 董日吾 | High-speed and high-accurcy durable reamer |
| CN201405135Y (en) * | 2009-05-05 | 2010-02-17 | 洛阳古城机械有限公司 | Flexible reamer used for processing starting motor components of automobile |
| JP2013018062A (en) * | 2011-07-08 | 2013-01-31 | Mitsubishi Materials Corp | Boring tool with coolant hole |
| CN104439315A (en) * | 2013-09-13 | 2015-03-25 | 上海三电贝洱汽车空调有限公司 | Compound tool for holes |
| CN204799976U (en) * | 2015-06-17 | 2015-11-25 | 徐工集团工程机械股份有限公司 | Boring reamer and machining center |
-
2015
- 2015-06-17 CN CN201510338621.5A patent/CN106312110A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1247784A (en) * | 1998-12-03 | 2000-03-22 | 董日吾 | High-speed and high-accurcy durable reamer |
| CN201405135Y (en) * | 2009-05-05 | 2010-02-17 | 洛阳古城机械有限公司 | Flexible reamer used for processing starting motor components of automobile |
| JP2013018062A (en) * | 2011-07-08 | 2013-01-31 | Mitsubishi Materials Corp | Boring tool with coolant hole |
| CN104439315A (en) * | 2013-09-13 | 2015-03-25 | 上海三电贝洱汽车空调有限公司 | Compound tool for holes |
| CN204799976U (en) * | 2015-06-17 | 2015-11-25 | 徐工集团工程机械股份有限公司 | Boring reamer and machining center |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109332930A (en) * | 2018-10-30 | 2019-02-15 | 石家庄惠德机械工具厂 | The manufacturing method of right knife bar |
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Application publication date: 20170111 |