CN208245832U - A kind of shockproof boring cutter of bore hole - Google Patents
A kind of shockproof boring cutter of bore hole Download PDFInfo
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- CN208245832U CN208245832U CN201820413735.0U CN201820413735U CN208245832U CN 208245832 U CN208245832 U CN 208245832U CN 201820413735 U CN201820413735 U CN 201820413735U CN 208245832 U CN208245832 U CN 208245832U
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- boring cutter
- boring
- bar
- shockproof
- seat
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Abstract
A kind of shockproof boring cutter of bore hole, be by: constituted including transition connector, boring cutter bar, guidance set, boring cutter seat and boring cutter；The transition connector: it positions and is fixed on the milling spindle of boring and milling machine；Boring cutter bar is connected between transition connector and boring cutter seat, the front end of boring cutter seat is installed by boring cutter, guidance set is installed on the boring cutter bar of the rear end of boring cutter seat, boring cutter bar is equipped with a groove, guidance set is several sliding blocks being uniformly mounted on groove circumference, the circumference outer diameter for the boring cutter work that shoe surface outer diameter is less than.
Description
One, technical field
The utility model relates to a kind of metal working tools, the especially shockproof boring cutter of boring deep hole.
Two, background technique
At present in the processing of steam turbine functional component, there are a kind of inner hole for needing processing deeper, the length and diameter in hole
Than reaching 9 or more, inner hole requires honing, and the shape and size in pre- hole will guarantee precision, with shockproof boring cutter come the pre- hole of boring honing,
It is cost-effective technique.Edge does not occur effective tool at present.
It is such as processed mainly for a kind of bonnet part, there are a through-hole, aperture Φ 100 or Φ in bonnet part center
110, penetrating length has 900-1000mm, because to ship lever part in hole, and has seal request, so, finally require the top gem of a girdle-pendant
Mill processing.Pre- hole before honing requires within cylindricity deviation 0.2, and aperture single side stays the Honing process amount of 0.2-0.25.It is falling
The pre- hole Boring of honing is carried out on ground boring and milling machine, because aperture limits, length is relatively especially long, and common boring cutter shake knife is violent,
It is unable to complete processing.Using the vibration damping knife bar of foreign countries' customization, also people is satisfied not to the utmost for quality；And price is prohibitively expensive.Design system
The shockproof boring cutter for making this structure is that cost-effective technique is created.
Three, utility model content
The purpose of this utility model is: providing a kind of reliable and effective, easy to make, shockproof boring of bore hole of cost economy
Knife solves the bore hole quality of the center slightness hole including valve deck.
The technical solution of the utility model is: a kind of shockproof boring cutter of bore hole, it is characterized in that: including transition connector, boring
Knife bar, guidance set, boring cutter seat and boring cutter are constituted；The transition connector is axle bed champion part, positions and be fixed on boring and milling machine
Milling spindle on；Boring cutter bar is connected between transition connector and boring cutter seat, and boring cutter, the rear end of boring cutter seat are installed in the front end of boring cutter seat
And guidance set is installed on boring cutter bar；The structure of guidance set is as follows, and boring cutter bar is equipped with a circle-shaped groove, guidance set
For several sliding blocks being uniformly mounted on circumferential groove, the circumference outer diameter for the boring cutter work that shoe surface outer diameter is less than；Sliding block is
Hard alloy or surface treated, hardness need the surface hardness higher than common iron；Sliding block is equipped with screw hole, and sliding block is logical
Screw is crossed to be fixed on boring cutter bar groove.
The positional distance boring cutter seat of sliding block installation is 5-15cm.
The transition connector 1 of rigidity is set, as adaptation middle transition part, it is possible to reduce the design kind of shockproof boring cutter pole
Class, the cost of control manufacture investment.The component of transition connector 1 and boring machine attachment base, hard sliding block can carry out boring cutter bar
The bearing of stress.To reduce the vibration of boring cutter bar.
Boring cutter is installed in boring cutter seat 4, different boring cutter seats can be replaced, the boring cutter of different sizes and classification is installed.
It is exactly guidance set 3 behind boring cutter seat 4, installs fixed pivot to boring cutter bar 2, limit the non axial position of boring cutter bar 2
It moves, increases the rigidity of boring bar, play antihunt action.
It is tubular structure that 2 axis center of boring cutter bar, which is machined with hollow hole, i.e. boring cutter bar,；It can be can simultaneously serve as interior with loss of weight
The channel of cold machining liquid.
The guidance set can limit the change in location of boring bar.Guidance set is (the corresponding different boring of replaceable structure
Knife outer diameter) according to different bore sizes, guidance set 3 requires have different sizes (the circumference outer diameter phase with boring cutter work
With) lens, it is exchanged according to different dimensions.
The boring cutter bar is the main part of boring cutter, determines the diameter of bore hole and the depth in hole.
The guidance set is key component, and the position of boring cutter bar is kept during bore hole, prevents from shaking.
The boring cutter seat is to install the part of boring cutter.Boring cutter is the work package of Boring.
Transition connector can position and fix simultaneously the connector of boring cutter bar.
After the guidance set of shockproof boring cutter enters the pilot hole of inner hole, boring cutter starts Boring, the anti-work of Boring
Firmly cause the boring bar to step down the trend of vibration, but under the limitation of guidance set and inner hole of workpiece, boring bar vibration direction from
It is limited by spending, big vibration will not be generated.
Two, diameter both ends (the 180 ° symmetrical) boring cutter of former and later two cross sections installs station in boring cutter seat, installs two phases
With boring cutter, the boring cutter of former and later two cross sections can misplace 2mm or so, and the one of front is slightly less than boring cutter bore diameter subsequent
One boring cutter, bore hole, symmetrical stress shake trend basic neutralisation to two boring cutters simultaneously.Next one requires boring cutter by inner hole boring
To guidance set require guide hole size, bore hole forward cross claim in, boring cutter have always followed by guidance set limit
System vibration.Interior water jet is processed on boring cutter bar between boring cutter seat and guidance set, is cooled down respectively, cutter head is lubricated, and
Punching row chip behind to hole.It wherein the particularly important is the latter mouth of a river, can in time rush the chip in 3 interval trough of guidance set
Drain, prevents cutting heap to be stuck in 3 circumference of guidance set, block bad inner hole of workpiece.
When boring lengthens elongated hole, due to boring bar and elongated shaft, rigidity is just low, and after chip power, boring bar will be supported
Elastoresistance bending deformation.The resistance of cutting force and boring bar just changes each other, leads to the cutting position of boring cutter, in addition to axial direction into
To outer, also other irregular continuous variations, the just constantly variation of the shape and size of bore hole.
Design the non axial irregular shift in position that shockproof boring cutter seeks to prevent boring cutter.First is that being reduced from cutting force
The possibility of boring cutter bar deformation, using two identical boring cutters being arranged symmetrically while cutting, the cutting force for relative direction of cancelling out each other,
Reduce the deformation of boring cutter bar.Second is that the deformation of limitation boring bar, using boring cutter rear portion be arranged guidance set and inner hole formed it is small between
The cooperation of gap.Using the shockproof boring cutter, greatly reduce the length of the deformable cantilever of long boring bar, by assisting fulcrum, increases boring
The rigidity of bar prevents the chip of boring cutter bar from deforming.
The utility model has the beneficial effects that boring cutter designs and produces simplicity, compared to customization vibration damping knife bar, cost is extremely low.Bore hole
The mass effect of processing is met the requirements, and completely solves the problem of bonnet part central through hole Boring preciseness is not achieved.
Four, Detailed description of the invention
The 3D of the shockproof boring cutter of Fig. 1 schemes；
Fig. 2 transition piece 3D figure；
Fig. 3 boring cutter bar 3D figure；
Fig. 4 guidance set 3D figure；
Fig. 5 boring cutter seat 3D figure；
Fig. 6 boring cutter 3D figure.
In figure: transition piece 1, boring cutter bar 2, guidance set 3, boring cutter seat 4, boring cutter 5.
Five, specific embodiment
The utility model will be further described below with reference to the accompanying drawings.
As shown in Figure 1, a kind of shockproof boring cutter of bore hole, including transition connector, boring cutter bar, guidance set, boring cutter seat and
Boring cutter is constituted.
The transition connector: because the milling spindle structure of floor-type milling & boring machine is not quite similar, for the boring cutter bar of shockproof boring cutter
Transition connector 1 can be arranged on different floor type boring machines in unified installation fixed structure, as adaptation middle transition part,
The design type of shockproof boring cutter pole, the cost of control manufacture investment can be reduced.
The boring cutter bar: diameter and length are set according to the hole size of bonnet part, and left end is arranged boring cutter seat 4 and couples knot
Structure can replace different boring cutter seats, install the boring cutter of different sizes and classification.It is exactly that guidance set 3 is installed behind boring cutter seat 4
Structure installs fixed pivot to boring cutter bar 2, limits the non axial displacement of boring cutter bar 2, increase the rigidity of boring bar, play shockproof work
With.The coupling structure and floor-type milling & boring machine connection of boring cutter bar 4 is arranged in right end, transmits processing action.It is machined among boring cutter bar 2
Hollow hole can simultaneously serve as the channel of interior cold machining liquid with loss of weight.Interior water jet is separately positioned on behind boring cutter seat, and
Before guidance set, the chip in cutter head and guidance set interval trough is rushed at respectively.It wherein the particularly important is the latter mouth of a river,
The chip punching in 3 interval trough of guidance set can be drained in time, prevent cutting heap to be stuck in 3 circumference of guidance set, block bad workpiece
Inner hole.
The guidance set: the change in location of boring bar can be limited.According to different bore sizes, the requirement of guidance set 3
There are different size lens, is exchanged according to different dimensions.Conditioned, the surfaces nitrided place using 38CrMoAl material
Reason refines in place after outer diameter assembling, guarantees dimensional accuracy and Durability.
The boring cutter seat: being conveniently replaceable the boring cutter of different type and size, expands the scope of application of shockproof boring cutter.
The boring cutter: being the work package of Boring.180 ° of circumference to two identical boring cutters of cloth, cutting force can be opposite
It offsets, reduces the metamorphosis to boring bar.Two boring cutters be staggered axially back and forth 2mm arrangement, boring efficiency can be improved.
The above is only the preferred embodiment of the utility model, it should be pointed out that: for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the protection scope of the utility model.
Claims (6)
1. a kind of shockproof boring cutter of bore hole, it is characterized in that by: including transition connector, boring cutter bar, guidance set, boring cutter seat and boring
Knife is constituted；The transition connector: it positions and is fixed on the milling spindle of boring and milling machine；Boring cutter bar is connected to transition connector and boring cutter
Between seat, boring cutter is installed in the front end of boring cutter seat, and guidance set is installed on the boring cutter bar of the rear end of boring cutter seat, and boring cutter bar is equipped with one
Groove, guidance set are several sliding blocks being uniformly mounted on groove circumference, the circle for the boring cutter work that shoe surface outer diameter is less than
All outer diameters.
2. a kind of shockproof boring cutter of bore hole according to claim 1, it is characterised in that: sliding block is equipped with screw hole, and sliding block is logical
Screw is crossed to be fixed on boring cutter bar.
3. a kind of shockproof boring cutter of bore hole according to claim 1, it is characterised in that: the positional distance boring cutter of sliding block installation
Seat is 5-15cm.
4. according to a kind of shockproof boring cutter of bore hole described in claim 1, it is characterised in that: the axis center of boring cutter bar is machined with hollow
Hole.
5. a kind of shockproof boring cutter of bore hole according to claim 1, it is characterised in that: former and later two cross sections in boring cutter seat
Two boring cutters in diameter both ends station is installed, two identical boring cutters are installed, the boring cutter of former and later two cross sections misplaces 2mm.
6. a kind of shockproof boring cutter of bore hole according to claim 1, it is characterised in that: between boring cutter seat and guidance set
Boring cutter bar on process interior water jet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820413735.0U CN208245832U (en) | 2018-03-27 | 2018-03-27 | A kind of shockproof boring cutter of bore hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820413735.0U CN208245832U (en) | 2018-03-27 | 2018-03-27 | A kind of shockproof boring cutter of bore hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208245832U true CN208245832U (en) | 2018-12-18 |
Family
ID=64608366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820413735.0U Active CN208245832U (en) | 2018-03-27 | 2018-03-27 | A kind of shockproof boring cutter of bore hole |
Country Status (1)
| Country | Link |
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| CN (1) | CN208245832U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113414420A (en) * | 2021-07-22 | 2021-09-21 | 齐齐哈尔和平重工集团有限公司 | Multifunctional deep hole boring tool head |
-
2018
- 2018-03-27 CN CN201820413735.0U patent/CN208245832U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113414420A (en) * | 2021-07-22 | 2021-09-21 | 齐齐哈尔和平重工集团有限公司 | Multifunctional deep hole boring tool head |
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