CN209223210U - Path boring cutter and numerically controlled lathe - Google Patents
Path boring cutter and numerically controlled lathe Download PDFInfo
- Publication number
- CN209223210U CN209223210U CN201822091343.XU CN201822091343U CN209223210U CN 209223210 U CN209223210 U CN 209223210U CN 201822091343 U CN201822091343 U CN 201822091343U CN 209223210 U CN209223210 U CN 209223210U
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- CN
- China
- Prior art keywords
- shank
- boring cutter
- clearance surface
- plane
- chip space
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Abstract
The utility model relates to cutter fields, specifically, it is to be related to a kind of path boring cutter and the numerically controlled lathe including the path boring cutter, shank and two cutting portions including strip, two cutting portions are connected to the both ends of shank, every a cutting part all has the clearance surface extended along the direction for the extending direction for being parallel to shank, clearance surface is in quadrangle, clearance surface is recessed inwardly to form a chip space, for chip space from the second side to first end and the extension that slopes inwardly, chip space has the cross-sectional shape of triangle；Shank has the first protrusion, the second protrusion, the first plane and the second plane extended respectively along the extending direction of shank；Boring cutter is quickly aligned convenient for operator and is clamped by the structure, and clamping efficiency is high；By the way that the chip space is arranged, boring cutter is improved in the chip removal ability of deep hole machining process, processing quality is high, and slows down tool wear, prolongs its service life.
Description
Technical field
The utility model relates to cutter fields, specifically, being related to a kind of path boring cutter and including the path boring cutter
Numerically controlled lathe.
Background technique
Numerically controlled lathe is at present using relatively broad one of numerically-controlled machine tool, it is mainly used for axial workpiece or disk-like accessory
Inside and outside cylindrical surface, any cone angle inside and outside circular conical surface, it is complicated turn round in the machinings such as positive camber and cylinder, tapered tread,
And can be carried out grooving, drilling, reaming, fraising and bore hole etc..
Currently, boring cutter, which usually relies on main cutting edge circular arc in machining small diameter hardware, carries out chip removal, however, processing
The structure is often difficult to chip removal when deep hole, increases the probability that cutter twines slag, and tool wear is very fast, and processing slowly, affects and adds
The dimensional accuracy and finish of product after work, product yield is difficult to improve, to waste production cost；Meanwhile because of boring cutter structure
It is arranged unreasonable, the carrier for fixed cutting tool is not easy rapid-aligning in clamping cutter, and the clamping time is long, low efficiency.
Utility model content
The purpose of this utility model is to provide a kind of path boring cutter and numerically controlled lathes, it is intended to solve in the prior art due to
Boring cutter structure setting is unreasonable, leads to that its chip removal ability is low, service life is short and clamping efficiency and the low technology of stability are asked
Topic.
For this purpose, the technical solution adopted in the utility model is:
A kind of path boring cutter is provided, shank and two cutting portions including strip, two cutting portions are connected to
The both ends of the shank, each cutting portion all have the first end being connected on the shank and opposite with the first end
Second end, each cutting portion all have along be parallel to the shank extending direction direction extend a clearance surface,
The clearance surface is in quadrangle and has the first second side opposite while described first for being connected to the shank, described
Clearance surface and the second end outer end face are crossed to form second side；The clearance surface also have be connected to first side with
The extending direction of shank described in third edge described in when the described second third between extends, and is formed with one on the clearance surface
Chip space, the chip space from second side to the first end and the extension that slopes inwardly, the chip space have with it is described
Third at the opposite the 4th, the described 4th while from described first to the described second direction while far from the third
Inclination extend to described second while with when the third where the opposite other end in end, the chip space has the cross of triangle
Cross sectional shape；The shank has the first protrusion extended respectively along the extending direction of the shank, the second protrusion, first
Plane and the second plane, first plane and second plane are oppositely arranged and are connected to first protrusion
Between second protrusion.
Further, the shape in any section for being parallel to first plane of the path boring cutter is central symmetry
Figure.
Further, each cutting portion all has opposite the first side and second side, and the clearance surface is described in
First side, the second end outer end face tilt extension from the chip removal towards described second side and to the first end.
Further, the described 4th while in the projection line on the clearance surface and the third between angle between 5
~10 degree of degree.
Further, described second inclines while from the described 4th to direction of third while close to described first
Tiltedly extend, described first at described second between angle between 5 degree~10 degree.
Further, the chip space has by the intilted rake face in second side, the rake face and institute
It states and is formed with an anterior angle between clearance surface, the anterior angle is between 5 degree~10 degree.
Further, each cutting portion all has an empty avoiding notch, and the empty avoiding notch is inward-facing by the chip removal
Extend and is located at the described second corner formed while with the third.
Further, empty avoiding inclined-plane there are two being formed on the shank, two empty avoiding inclined-planes are located at the handle
The both ends in portion；Each empty avoiding inclined-plane is both connected between the clearance surface of the cutting portion and the outer wall of the shank.
The beneficial effect of path boring cutter provided by the utility model is: it is compared with the prior art, the utility model proposes
A kind of path boring cutter, shank and two cutting portions including strip, by the way that opposite is arranged on the shank of path boring cutter
One plane and the second plane help to carry out clamping to the boring cutter shank, and stability is good, and convenient for operator quickly by boring cutter
Contraposition clamps, and clamping efficiency is high, reduces time cost；Meanwhile every a cutting part all has along the extension side for being parallel to shank
To the clearance surface that extends of direction, clearance surface is recessed inwardly to form a chip space of the cross-sectional shape with triangle, leads to
It crosses and the chip space is set, improve boring cutter in the chip removal ability of deep hole machining process, effectively prevent the generation of burr, process matter
Amount is high, and slows down tool wear, prolongs its service life.
The beneficial effect of numerically controlled lathe provided by the utility model is: it is compared with the prior art, the utility model proposes
A kind of numerically controlled lathe, including above-mentioned path boring cutter, the numerically controlled lathe can be controlled by pre-set programs the boring cutter processing it is various
Pore structure, processing quality is high, high production efficiency, and cutter life is long, reduces error caused by repeated clamping cutter
And time cost.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new
Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the stereoscopic schematic diagram of path boring cutter provided by the embodiment of the utility model；
Fig. 2 is the schematic elevation view of path boring cutter provided by the embodiment of the utility model；
Fig. 3 is the schematic top plan view of path boring cutter provided by the embodiment of the utility model；
Fig. 4 is the elevational schematic view of path boring cutter provided by the embodiment of the utility model.
Wherein, each appended drawing reference in figure:
1: shank 100: the extending direction of shank
11: the first protrusion, 12: the second protrusion
13: the first plane, 14: the second plane
15: empty avoiding inclined-plane
2: cutting portion 2a: first end
2b: second end 21: clearance surface
211: the first at 212: the second
213: third is at 214: the four
22: second end outer end face 20: chip space
2c: the first side 2d: second side
23: rake face 200: empty avoiding notch
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
It as shown in Figures 1 to 4, is a preferred embodiment provided by the utility model.
A kind of path boring cutter provided in this embodiment, is mainly used for machining small diameter, can be sharpened by wolfram steel, particulate coating
It forms comprising the shank 1 of strip and two cutting portions 2, two cutting portions 2 are connected to the both ends of shank 1, each cutting
Portion 2 all has the first end 2a being connected on shank 1 and the second end 2b opposite with first end 2a, and every a cutting part 2 all has
Along be parallel to shank 1 extending direction 100 direction extend a clearance surface 21, clearance surface 21 in quadrangle and have be connected to
The first of shank 1 intersects shape with second end 2b outer end face 22 in 211 and 211 the second opposite sides 212 when with first, clearance surface 21
At the second side 212, in the present embodiment, the first side 211 of clearance surface 21 is located substantially at the central region of 1 end face of shank, and such as
Shown in Fig. 3, the substantially right-angled trapezium of clearance surface 21；Specifically, clearance surface 21, which also has, is connected to first at 211 and second
Third side 213 between 212, third side 213 extend along the extending direction 100 of shank 1, are formed with a chip space on clearance surface 21
20, from the second side 212 to first end 2a and the extension that slopes inwardly, chip space 20 has opposite with third side 213 chip space 20
4th side 214, the 4th while 214 from first while 211 to second while 212 and when to far from third 213 direction inclination extend to the
Two other ends opposite with 213 place ends when third while 212, chip space 20 has the cross-sectional shape of triangle, in this reality
It applies in example, the second side 212 is located on 20 cell wall of chip space, and the 4th side 214 is 20 bottom surface of chip space one side；Shank 1, which has, to be divided
The first protrusion 11, the second protrusion 12, the first plane 13 and the second plane not extended along the extending direction 100 of shank 1
14, the first plane 13 and the second plane 14 are oppositely arranged and are connected between the first protrusion 11 and the second protrusion 12.
In the present embodiment, by the way that opposite the first plane 13 and the second plane 14 are arranged on the shank 1 of path boring cutter,
Help to carry out clamping to the boring cutter shank 1, stability is good, and quickly aligns boring cutter convenient for operator and clamp, clamping effect
Rate is high, reduces time cost；Meanwhile clearance surface 21 is recessed inwardly to form a chip space of the cross-sectional shape with triangle
20, by the way that the chip space 20 is arranged, boring cutter is improved in machining small diameter or the chip removal ability of deep hole process, effectively prevents hair
The generation of thorn and cutter twine slag, processing quality and high-efficient, and slow down tool wear, prolong its service life.
In one embodiment of the utility model, also referring to Fig. 3 and Fig. 4, path boring cutter to be parallel to first flat
The shape in any section in face 13 is centrosymmetric image, and symmetrical centre is in the geometry of the corresponding shank 1 in each section
The heart, in other words, two extension structures are identical, can be with around above-mentioned geometric center rotation 180 degree by one of extension
Another extension is completely coincident；Boring cutter structure is simply easy to process, by the way that the boring cutter symmetrical configuration to be arranged, improves boring cutter
Utilization rate avoids frequent tool changing, improves cutting-tool's used life, high production efficiency.
In one embodiment of the utility model, referring to Figure 2 together and Fig. 4, every a cutting part 2 all have opposite
First side 2c and second side 2d, clearance surface 21 is towards the first side 2c, and second end 2b outer end face 22 is from clearance surface 21 to second side 2d
And tilt and extend to first end 2a, the robustness of cutter can be increased by changing cutting angle, specific chip angle can be 5 degree
It~10 degree, does not limit uniquely herein.
In one embodiment of the utility model, referring to Fig. 3, the 4th side 214 on clearance surface 21 projection line with
Angle (see the A2 in Fig. 3) between third side 213 is between 5 degree~10 degree, it is preferable that the angle is 5 degree, is cut by changing
Angle can increase the robustness of cutter.
In one embodiment of the utility model, also referring to Fig. 3, second while 212 from the 4th while 214 to third side
213 and to close to the first side 211 direction tilt extend, first at 211 and second 212 between angle (see in Fig. 3
A1) between 5 degree~10 degree, it is preferable that the angle is 5 degree, can increase the robustness of cutter by changing cutting angle.
In one embodiment of the utility model, also referring to Fig. 1, chip space 20 has by the second side 212 inwardly
An inclined rake face 23 is formed with an anterior angle (not shown) between rake face 23 and clearance surface 21, anterior angle is between 5 degree~10
Degree, it is preferable that the angle is 5 degree, can increase cutter chip removal ability and its robustness by changing 23 angle of rake face.
It should be noted that above-mentioned each design angle is in the design process, tolerance is ± 0.3 degree, to reach figure
The design requirement of paper and boring cutter appearance.
In one embodiment of the utility model, also referring to Fig. 1 to Fig. 4, every a cutting part 2 all has an empty avoiding
Notch 200, empty avoiding notch 200 extended internally by clearance surface 21 and be located at second while 212 with third while 213 corners formed, should
Structure by optimization empty avoiding notch 200 structure, it is easy to process and sharpening boring cutter while, further ensure that boring cutter use when base
Body will not be in contact with workpieces processing, so that cutting-tool's used life is improved, high production efficiency.
In one embodiment of the utility model, also referring to Fig. 1 and Fig. 2, there are two empty avoiding is oblique for formation on shank 1
Face 15, two empty avoiding inclined-planes 15 are located at the both ends of shank 1；Each empty avoiding inclined-plane 15 is both connected to the clearance surface of cutting portion 2
Between 21 and the outer wall of shank 1, transition cambered surface (not shown) can be added, certainly, between empty avoiding inclined-plane 15 and clearance surface 21 to mention
High cutter chip removal ability increases cutter life, guarantees the finish and dimensional accuracy of product after processing, and it is good to improve product
Rate saves production cost.
The utility model proposes a kind of numerically controlled lathe, including above-mentioned path boring cutter, which can be by default
The process control boring cutter processes various pore structures, and processing quality is high, high production efficiency, and cutter life is long, reduces weight
Reassemble error and time cost caused by folder cutter.
Obviously, the above embodiments of the present invention is used for the purpose of clearly illustrating examples for clearly illustrating the present invention, and
It is not limitations of the embodiments of the present invention.For those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments
Exhaustion.Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc., should be included in
Within the protection scope of the utility model claims.
Claims (9)
1. path boring cutter, which is characterized in that shank and two cutting portions including strip, two cutting portions are connected to
The both ends of the shank, each cutting portion all have the first end being connected on the shank and opposite with the first end
Second end, each cutting portion all have along be parallel to the shank extending direction direction extend a clearance surface,
The clearance surface is in quadrangle and has the first second side opposite while described first for being connected to the shank, described
Clearance surface and the second end outer end face are crossed to form second side；The clearance surface also have be connected to first side with
When the described second third between, the extending direction of shank described in the third edge extends, and is formed on the clearance surface
One chip space, from second side to the first end and the extension that slopes inwardly, the chip space has and institute the chip space
Third is stated at the opposite the 4th, the described 4th while from described first to the described second side while far from the third
To inclination extend to described second while with when the third where the opposite other end in end, the chip space has triangle
Cross-sectional shape；The shank has the first protrusion extended respectively along the extending direction of the shank, the second protrusion, the
One plane and the second plane, first plane and second plane are oppositely arranged and are connected to first protrusion
Between portion and second protrusion.
2. path boring cutter according to claim 1, which is characterized in that the path boring cutter is parallel to first plane
The shape in any section be centrosymmetric image.
3. path boring cutter according to claim 1 or 2, which is characterized in that each cutting portion all has opposite
Side and second side, the clearance surface is towards first side, and the second end outer end face is by the chip removal towards described second
Side simultaneously tilts extension to the first end.
4. path boring cutter according to claim 1 or 2, which is characterized in that the 4th side is in the throwing on the clearance surface
Angle between hachure and the third side is between 5 degree~10 degree.
5. path boring cutter according to claim 1 or 2, which is characterized in that described second while by the described 4th Xiang Suoshu
Direction of third while close to described first, which tilts, to be extended, described first at described second between angle between 5
~10 degree of degree.
6. path boring cutter according to claim 1 or 2, which is characterized in that the chip space have from second side to
A tilted rake face is formed with an anterior angle between the rake face and the clearance surface, the anterior angle is between 5 degree~10
Degree.
7. path boring cutter according to claim 1 or 2, which is characterized in that each cutting portion all has an empty avoiding and lacks
Mouthful, the empty avoiding notch is extended internally by the clearance surface and is located at the described second corner formed while with the third.
8. path boring cutter according to claim 1 or 2, which is characterized in that it is formed on the shank there are two empty avoiding inclined-plane,
Two empty avoiding inclined-planes are located at the both ends of the shank；Each empty avoiding inclined-plane is both connected to the row of the cutting portion
Between bits face and the outer wall of the shank.
9. numerically controlled lathe, which is characterized in that including path boring cutter as described in any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822091343.XU CN209223210U (en) | 2018-12-12 | 2018-12-12 | Path boring cutter and numerically controlled lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822091343.XU CN209223210U (en) | 2018-12-12 | 2018-12-12 | Path boring cutter and numerically controlled lathe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209223210U true CN209223210U (en) | 2019-08-09 |
Family
ID=67507495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822091343.XU Expired - Fee Related CN209223210U (en) | 2018-12-12 | 2018-12-12 | Path boring cutter and numerically controlled lathe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209223210U (en) |
-
2018
- 2018-12-12 CN CN201822091343.XU patent/CN209223210U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200316 Address after: 505, floor 5, building 1, yimeikang Industrial Park, No. 87, Jiaoping Avenue, Tianxin community, Tangxia Town, Dongguan City, Guangdong Province Patentee after: Dongguan Litai Precision Technology Co.,Ltd. Address before: 518000 Dalang Street Peak Community, Longhuan West Road, Longhua New District, Shenzhen City, Guangdong Province, No. 43 117 Patentee before: Shenzhen Minghui Tools Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190809 Termination date: 20211212 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |