CN205496656U - Fluted drill oil slot mill - Google Patents
Fluted drill oil slot mill Download PDFInfo
- Publication number
- CN205496656U CN205496656U CN201521065494.8U CN201521065494U CN205496656U CN 205496656 U CN205496656 U CN 205496656U CN 201521065494 U CN201521065494 U CN 201521065494U CN 205496656 U CN205496656 U CN 205496656U
- Authority
- CN
- China
- Prior art keywords
- fluted drill
- milling cutter
- oil groove
- drill oil
- chip
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a fluted drill oil slot mill optimizes and forms on the basis of ordinary fluted drill, the cutting ability of full play fluted drill, fluted drill oil slot mill's 2 phi of apex angle are 120, two main cutting edges are one positive one anti - space heliciform " C " the shape curve that has the chip dividing groove, adopt this kind of main cutting edge and have two big dextrorotation and hold bits, the milling cutter and the multiple tooth straight line of chip removal helicla flute appear sword bulb oil groove milling cutter and compare, the chip deformation is few, it is disconnected, the chip removal is convenient with the cooling, have and hold the bits space big and the chip removal is smooth and easy, cut into step by step, cutting stability, and the processing quality is high, advantages such as the cutter life is long, low in manufacturing cost has, the sharpening is convenient, machining efficiency is higher, popularize and apply in being favorable to production, it has better brill to be one kind, mill the good cutter of function.
Description
Technical field
This utility model relates to a kind of oil groove milling cutter, is mainly used in the processing having the lubrication groove in relative motion face.
Background technology
Having many lubrication grooves to process in machining, lubrication groove is generally used for storing lubricant grease, such as figure
Parting face shown in 1 is 120 ° of lubrication groove schematic diagrams, and its geometric properties is groove width and shallow.General employing is specially
120 ° of bulb multiple tooth linear sword oil groove milling cutters process, because chip pocket is little, chip removal is smooth and cutting
Instability, as in figure 2 it is shown, for ease of smoothly " piercing " body, conical centre cutting edge need to be arranged to class
The structure of the heart crossed by the cutting edge being similar to cotter mill cutter cylinder end face, because of the cutting speed of cutter center of rotation is again
Zero, therefore conical centre part wears is very fast, work efficiency is the highest, and sharpens inconvenience, relatively costly.
Summary of the invention
The purpose of this utility model is to provide that a kind of cutting is stable, use of can repeatedly refacing, cheap, sword
Mill is convenient, has the efficient fluted drill oil groove milling cutter of brill, milling function.
The technical solution of the utility model is: a kind of fluted drill oil groove milling cutter, is the basis at common fluted drill
On be optimized, and only cutting tip participates in cutting, has given full play to fluted drill and " pierces "
Cutting ability；The diameter of fluted drill oil groove milling cutter is more than oil groove width B, is set greater than by its drift angle 2 φ
118 °, the vertex of a cone is set to bulb circular arc R, and now two main cutting edges are to be held bits, chip removal spiral shell by two dextrorotation
The intersection curve of the angle of spin slot and bus and the axis cutting element of cone more than 59 °, said two master cut
Cut spatially spiral shape " C " sigmoid curves that sword is a positive and a negative；Use this main cutting edge and there are two greatly
Dextrorotation hold bits, chip removal spiral fluted milling cutter compared with multiple tooth linear sword bulb oil groove milling cutter, have appearance bits
Space is big and chip removal is smooth and easy, progressive incision, cutting stably, the advantage such as crudy height, cutter life length；
Fluted drill oil groove milling cutter uses the sharpening way of fluted drill, and machinery, hand grinding are very convenient, are also most common
Basic skill, be so very easy to operation field use.For improving the stability of cutting, described fiber crops
It is shorter that flower bores oil groove milling cutter working portion；Fluted drill oil groove milling cutter afterbody as the case may be, selects appropriate
Mode couples with lathe handle of a knife and just can use.
The further technical scheme of this utility model is: drift angle 2 φ of described fluted drill oil groove milling cutter is 120
°。
The further technical scheme of this utility model is: because fluted drill oil groove milling cutter core thickness is less, laterally cut
Cut the impact of power, when cutting force is bigger, tremor can be caused even to fracture, for improving machining condition, stable
Cutter load, is divided into narrow chip wide chip, makes chip deformation reduce, and decreases cutting force and quivers
Shake, be easy to again chip removal and heat radiation and cooling, improve stock-removing efficiency and tool life and surface quality, institute
State and be disposed with chip dividing groove on two main cutting edges of fluted drill oil groove milling cutter.
This utility model further technical scheme is: for ease of arranging chip dividing groove and reducing by every main cutting
Groove number on sword, so ensures that concavo-convex cutting tooth has certain intensity, can guarantee that again the company in lubrication groove parting face
Continuous property, is divided into narrower chip wider chip simultaneously, further improves machining condition, described point
Must mutually stagger in the position of bits groove.
The further technical scheme of this utility model is: described chip dividing groove can be arranged on rake face or rear
On knife face.
This utility model further technical scheme is: chip dividing groove is arranged on rake face because of fluting difficulty,
For ease of sharpening and refacing, described chip dividing groove is preferably provided on rear knife face.
This utility model the most further technical scheme is: for reducing rubbing of face, chip dividing groove rear flank and workpiece
Wipe, it is ensured that chip dividing groove has certain intensity and sharp and service life, and side edge relief angle α of described chip dividing groove is
3°。
The further technical scheme of this utility model is: for reducing cutting force further and being prone to chip breaking and row
Bits, the bottom land of chip dividing groove is not involved in cutting, and the most effectively cutting groove depth of described chip dividing groove is more than axial feed
Amount S.
The further technical scheme of this utility model is: because right-hand screw angle beta is the biggest, cutting edge is the sharpest,
Cutting laborsaving, helicla flute inclined degree is big, and chip is easily drained；Right-hand screw angle beta size is big with milling cutter diameter
Little relevant, it is relatively large in diameter value big, otherwise gets the small value, and be based on worked copper alloy, described right spiral shell
The span of swing angle β is between 15 °～25 °.
The beneficial effects of the utility model are: manufacture and design conveniently, the technique of available fluted drill maturation and secondary
Frock, saves manufacturing cost, takes full advantage of the cutting ability of fluted drill, improves working (machining) efficiency and matter
Amount and cutter life；Machinery and hand grinding can be used, popularization and application in being conducive to producing.Use this technology
The fluted drill oil groove milling cutter of scheme, the abundant cutting ability having played brill, milling.Meanwhile, when common Flos Cannabis
When after brill repeatedly abrasion sharpening, targeting part is shorter, have no value for use, for making full use of for boring
The residual value of fluted drill carries out changing mill, further increases the utilization rate of fluted drill, reaches the purpose of twice laid.
Accompanying drawing explanation
Fig. 1 be section be 120 ° of lubrication groove schematic diagrams (B be oil groove width, R be oil groove transition arc)
Fig. 2 is that (SR is the oil groove milling cutter vertex of a cone to 120 ° of oil groove milling cutter (knife edge part) schematic diagrams of prior art
Bulb circular arc)
Fig. 3 be this utility model fluted drill oil groove milling cutter (knife edge part) schematic diagram (S be axial feeding,
β is helical angle)
Fig. 4 is left view (amplification) schematic diagram of this utility model Fig. 3
Fig. 5 is that (h is chip dividing groove to (amplification) schematic diagram of being opened on rear knife face of this utility model chip dividing groove
Axially effectively cut groove depth)
Detailed description of the invention
Described fluted drill oil groove milling cutter 1, is optimized on the basis of common fluted drill and forms, and
Only cutting tip 2 participate in cutting, the cutting tip 2 of described fluted drill oil groove milling cutter 1 be by drift angle 2 φ 3,
The composition such as main cutting edge 4, rake face 5, rear knife face 6, right-hand screw angle beta 7 (seeing Fig. 3), and drift angle
2 φ 3 are 118 °, and the most described main cutting edge 4 is straight line.As shown in Fig. 3 and 4 and 5, this practicality is new
Type be by diameter more than oil groove width B fluted drill oil groove milling cutter 1 drift angle 2 φ 3 sharpening be 120 °, the vertex of a cone
Sharpening is bulb circular arc R；Said two main cutting edge 4 is to be held bits, chip removal helicla flute with female by two dextrorotation
The angle of line and axis is the intersection curve of the cutting element of cone of 60 °, and said two main cutting edge 4 is one
Spatially spiral shape " C " sigmoid curves of forward one-reverse；Use this main cutting edge 4 and there are two big dextrorotation
Appearance bits, chip removal spiral fluted milling cutter, compared with multiple tooth linear sword bulb oil groove milling cutter, have chip space big
The advantages such as smooth and easy with chip removal, progressive incision, cutting are stablized, crudy height, cutter life length；Fluted drill
Oil groove milling cutter uses the sharpening way of fluted drill, and machinery, hand grinding are very convenient, be also modal substantially
Technical ability, is so very easy to operation field and uses.
Because fluted drill oil groove milling cutter core thickness is less, affected by lateral cutting forces, when cutting force is bigger, can
Cause tremor even to fracture, for improving machining condition, stablize cutter load, wide chip is divided into narrow
Chip, makes chip deformation reduce, and decreases cutting force and tremor, is easy to again chip removal and heat radiation and cooling, carries
High stock-removing efficiency and tool life and surface quality, two main cuttings of described fluted drill oil groove milling cutter 1
Chip dividing groove 8 it is disposed with on sword 4；For ease of arranging chip dividing groove and the groove number reduced on every main cutting edge, this
Sample ensures that concavo-convex cutting tooth has certain intensity, can guarantee that again the seriality in lubrication groove parting face, simultaneously relatively
Wide chip is divided into narrower chip, further improves machining condition, on described two main cutting edges 4
Arrange chip dividing groove 8 position must mutually stagger；Described chip dividing groove 8 is arranged on rake face 5 or rear
On knife face 6, chip dividing groove is arranged on rake face 5 because of fluting difficulty, for ease of sharpening and refacing, described point
Bits groove 8 is preferably provided on rear knife face 6；For reducing the friction in face, chip dividing groove 8 rear flank and workpiece, it is ensured that point
Bits groove 8 has certain intensity and sharpness and service life, and side edge relief angle α 9 of described chip dividing groove 8 is 3
°；For reducing cutting force further and being prone to chip breaking and chip removal, the bottom land of chip dividing groove 8 is not involved in cutting, institute
State the most effectively cutting groove depth h10 of chip dividing groove 8 more than axial feeding S；Because right-hand screw angle beta 7 is more
Greatly, cutting edge is the sharpest, cuts laborsaving, and helicla flute inclined degree is big, and chip is easily drained；Right-hand screw angle
β 7 size is relevant with milling cutter diameter size, is relatively large in diameter value big, otherwise gets the small value, and is with processing
Copper alloy is main, and the span of described right-hand screw angle beta 7 is between 15 °～25 °.The present embodiment illustrates
The chip dividing groove 8 that main cutting edge is arranged, one be 2 another be 1.
For improving the stability of cutting, described fluted drill oil groove milling cutter 1 working portion is shorter；Described fluted drill
Oil groove milling cutter 1 afterbody and lathe handle of a knife connecting mode (not shown), straight, taper shank routinely are arranged.
Above-described embodiment is the most for illustration of the utility model, and is not limitation of the utility model, relevant
The those of ordinary skill of technical field, in the case of without departing from spirit and scope of the present utility model, also may be used
So that various changes can be made and modification, the technical scheme of the most all equivalents also should belong to model of the present utility model
Farmland, scope of patent protection of the present utility model should be limited by each claim.
Claims (8)
1. a fluted drill oil groove milling cutter, the cutting tip (2) of described fluted drill oil groove milling cutter (1), including drift angle 2 φ (3), main cutting edge (4), rake face (5), rear knife face (6), right-hand screw angle beta (7), described drift angle 2 φ (3) is 120 °；It is characterized in that two main cutting edges (4) are spatially spiral shape " C " sigmoid curvess of a positive and a negative.
A kind of fluted drill oil groove milling cutter the most according to claim 1, it is characterised in that be disposed with chip dividing groove (8) on two main cutting edges (4) of described fluted drill oil groove milling cutter.
A kind of fluted drill oil groove milling cutter the most according to claim 2, it is characterised in that mutually stagger in the position of described chip dividing groove (8).
A kind of fluted drill oil groove milling cutter the most according to claim 2, it is characterised in that described chip dividing groove (8) is arranged on rake face (5) or on rear knife face (6).
A kind of fluted drill oil groove milling cutter the most according to claim 4, it is characterised in that described chip dividing groove (8) is arranged on rear knife face (6).
A kind of fluted drill oil groove milling cutter the most according to claim 5, it is characterised in that side edge relief angle α (9) of described chip dividing groove (8) is 3 °.
A kind of fluted drill oil groove milling cutter the most according to claim 2, it is characterised in that the most effectively cutting groove depth h (10) of described chip dividing groove (8) is more than axial feeding S.
A kind of fluted drill oil groove milling cutter the most according to claim 1, it is characterised in that the span of described right-hand screw angle beta (7) is between 15 °～25 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521065494.8U CN205496656U (en) | 2015-12-19 | 2015-12-19 | Fluted drill oil slot mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521065494.8U CN205496656U (en) | 2015-12-19 | 2015-12-19 | Fluted drill oil slot mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205496656U true CN205496656U (en) | 2016-08-24 |
Family
ID=56720587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521065494.8U Expired - Fee Related CN205496656U (en) | 2015-12-19 | 2015-12-19 | Fluted drill oil slot mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205496656U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106891051A (en) * | 2015-12-19 | 2017-06-27 | 中钢集团衡阳重机有限公司 | A kind of fluted drill oil groove milling cutter |
| CN109262025A (en) * | 2018-10-29 | 2019-01-25 | 株洲钻石切削刀具股份有限公司 | A kind of drilling tool |
-
2015
- 2015-12-19 CN CN201521065494.8U patent/CN205496656U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106891051A (en) * | 2015-12-19 | 2017-06-27 | 中钢集团衡阳重机有限公司 | A kind of fluted drill oil groove milling cutter |
| CN109262025A (en) * | 2018-10-29 | 2019-01-25 | 株洲钻石切削刀具股份有限公司 | A kind of drilling tool |
| CN109262025B (en) * | 2018-10-29 | 2020-05-15 | 株洲钻石切削刀具股份有限公司 | Drilling tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160824 Termination date: 20181219 |