CN208662613U - W type alloy cutting tip - Google Patents
W type alloy cutting tip Download PDFInfo
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- CN208662613U CN208662613U CN201821382123.6U CN201821382123U CN208662613U CN 208662613 U CN208662613 U CN 208662613U CN 201821382123 U CN201821382123 U CN 201821382123U CN 208662613 U CN208662613 U CN 208662613U
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- cutting edge
- angle
- cutting
- blade body
- left cutting
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Abstract
A kind of W type alloy cutting tip, including blade body, the blade body upper end is equipped with middle cutting edge, blade body upper end two sides are additionally provided with left cutting edge and right cutting edge, it includes the first left cutting edge and the second left cutting edge that the left cutting edge, which tilts down direction sequentially along it, it is discontinuously to be arranged between the first left cutting edge and the second left cutting edge, it includes the first right cutting edge and the second right cutting edge that the right cutting edge, which tilts down direction sequentially along it, it is discontinuously to be arranged between first right cutting edge and the second right cutting edge, the first angle is formed between first left cutting edge and the first right cutting edge, the second angle is formed between second left cutting edge and the second right cutting edge, the angle difference of second angle and the first angle is 10-20 degree, the first left cutting edge, first right cutting edge, second left cutting edge and the second right cutting edge Class W type cutting portion is formed, the utility model can make full use of the cutting edge on blade to carry out drilling, effectively improve working efficiency.
Description
Technical field
The utility model relates to bit technique field, espespecially a kind of W type alloy cutting tip.
Background technique
Drill bit is mainly made of cylindrical drilling rod and the blade being fixed at the top of drilling rod, and blade is mostly important in drill bit
A part, be as shown in Figure 1, 2 existing impact blade front view, top view, including blade body, the blade body upper end
Equipped with cutting face behind left front cutting face, left back cutting face, right preceding cutting face and the right side, the left front cutting face, left back cutting face are in
Angle is arranged to form left cutting edge, and the angled setting in cutting face forms right cutting edge, the left side behind the preceding cutting face in the right side and the right side
Cutting edge and right cutting edge constitute V-type cutting portion, and cutting face junction forms middle cutting edge behind the left back cutting face and the right side, this
The blade of kind structure begins with middle cutting edge and starts drilling in drilling, bores constantly deeply, just starts gradually with cutting
Drilling is carried out using left and right cutting edge, on the one hand such working method is unable to fully carry out drilling using left and right cutting edge,
On the other hand left and right cutting edge can be because the abrasion of cutting edge leads to work efficiency drop in top.
Utility model content
To solve the above problems, the utility model provides a kind of W type alloy cutting tip, can make full use of on blade
Cutting edge carries out drilling, effectively improves working efficiency.
A kind of in order to achieve the above purposes, the technical solution adopted by the utility model is: W type alloy cutting tip, including knife
Piece ontology, the blade body upper end are equipped with middle cutting edge, and blade body upper end two sides are additionally provided with left cutting edge and right cutting edge,
Described middle cutting edge one end is connect with left cutting edge, and the other end is connect with right cutting edge, and the left cutting edge and right cutting edge are wrong
It opening up and sets, the left cutting edge along it tilts down direction sequentially and includes the first left cutting edge and the second left cutting edge, and described
It is discontinuously to be arranged between one left cutting edge and the second left cutting edge, it includes that the right cutting edge, which tilts down direction sequentially along it,
One right cutting edge and the second right cutting edge are discontinuously to be arranged between the first right cutting edge and the second right cutting edge, and the first left cut is cut
The first angle is formed between sword and the first right cutting edge, and the second angle is formed between the second left cutting edge and the second right cutting edge, it is described
The angle difference of second angle and the first angle is 10-20 degree, and the first left cutting edge, the first right cutting edge, the second left cut are cut
Sword and the second right cut cut tooth shape into class W type cutting portion.
Specifically, the cross sectional shape of the blade body bottom end is that handstand is trapezoidal.
Specifically, the edge of the blade body left and right side is equipped with chamfering.
Specifically, the blade body material is alloy.
The utility model has the beneficial effects that: tilting down direction sequentially along it in left cutting edge includes that the first left cut is cut
Sword and the second left cutting edge are discontinuously to be arranged between the first left cutting edge and the second left cutting edge, and right cutting edge dips down along it
Tilted direction sequentially includes the first right cutting edge and the second right cutting edge, is discontinuous between the first right cutting edge and the second right cutting edge
Setting, forms the first angle, shape between the second left cutting edge and the second right cutting edge between the first left cutting edge and the first right cutting edge
At the second angle, the angle difference of the second angle and the first angle is 10-20 degree, the first left cutting edge, the first right cutting edge, second
Left cutting edge and the second right cut cut tooth shape into class W type cutting portion, the cutting portion of class W type can in utilization cutting edge drilling it is same
When more make full use of the second left cutting edge and the second right cutting edge to carry out drilling, working efficiency is effectively improved, particularly, when second
When the angle difference of angle and the first angle is spent for 10-20, working efficiency improves 20% or so in the unit time.In unit time
Working efficiency improves 20% or so.
Detailed description of the invention
Fig. 1 is existing impact blade front view.
Fig. 2 is existing impact blade top view.
Fig. 3 is the utility model schematic perspective view.
Fig. 4 is the utility model top view.
Fig. 5 is the utility model front view.
Drawing reference numeral explanation: 1- blade body;The left cutting edge of 2- second;The left cutting edge of 3- first;The right cutting edge of 4- first;
The right cutting edge of 5- second;Cutting edge in 6-;10- chamfering;The left back cutting face 21- second;The left front cutting face 22- second;23- left cut
Cut sword;The left back cutting face 31- first;The left front cutting face 32- first;The right preceding cutting face 41- first;Cutting face behind first right side 42-;
The right cutting edge of 45-;The right preceding cutting face 51- second;Cutting face behind second right side 52-.
Specific embodiment
It please refers to shown in Fig. 1-5, the utility model is described about a kind of W type alloy cutting tip, including blade body 1
1 upper end of blade body is equipped with middle cutting edge 6, and 1 upper end two sides of blade body are additionally provided with left cutting edge 23 and right cutting edge 45, described
Middle 6 one end of cutting edge is connect with left cutting edge 23, and the other end is connect with right cutting edge 45, the left cutting edge 23 and right cutting edge
45 are arranged in a staggered manner, and it includes the first left cutting edge 3 and the second left cutting edge that the left cutting edge 23, which tilts down direction sequentially along it,
2, it is discontinuously to be arranged between the first left cutting edge 3 and the second left cutting edge 2, first left 3 two sides of cutting edge are equipped with the
One left front cutting face 32 and the first left back cutting face 31, second left 2 two sides of cutting edge are equipped with the second left front 22 He of cutting face
Second left back cutting face 21, it includes the first right cutting edge 4 and that the right cutting edge 45, which tilts down direction sequentially along it,
Two right cutting edges 5 are discontinuously to be arranged between first right cutting edge 4 and the second right cutting edge 5, first right 4 two sides of cutting edge
Equipped with cutting face 42 behind the first right preceding cutting face 41 and first right side, second right 5 two sides of cutting edge are equipped with the second right preceding cutting
Cutting face 52 behind face 51 and second right side, the first left cutting edge 3 and the first right cut form the first angle between cutting 4 swords, and the second left cut is cut
The angle difference of 5 the second angle of formation between sword 2 and the second right cutting edge, second angle and the first angle is 10-20 degree, this reality
It applies in example, the first included angle B is 135 degree, and the second included angle A is 150 degree, wherein the range of the first angle is B ± 10 degree, the second angle
Range be A ± 10 degree, the first left cutting edge 3, the first right cutting edge 4, the second left cutting edge 2 and the second right cutting edge 5
Form class W type cutting portion.
Compared to the prior art, it includes that the first left cut is cut that the utility model, which tilts down direction sequentially along it in left cutting edge,
Sword 3 and the second left cutting edge 2 are discontinuously to be arranged between first left cutting edge 3 and the second left cutting edge 2, right cutting edge along its to
Lower inclined direction sequentially includes the first right cutting edge 4 and the second right cutting edge 5, between the first right cutting edge 4 and the second right cutting edge 5
To be discontinuously arranged, the first angle is formed between the first left cutting edge 3 and the first right cutting edge 4, the second left cutting edge 2 and second is right
Form the second angle between cutting edge 5, the angle difference of the second included angle A and the first included angle B is 10-20 degree, the first left cutting edge 3, the
One right cutting edge 4, the second left cutting edge 2 and the second right cutting edge 5 form class W type cutting portion, and the cutting portion of class W type can be in benefit
It more makes full use of the second left cutting edge 2 and the second right cutting edge 5 to carry out drilling while with middle 6 drilling of cutting edge, effectively improves
Working efficiency, particularly, when the angle difference of the second angle and the first angle is spent for 10-20, working efficiency is mentioned in the unit time
It is high by 20% or so.
Specifically, the cross sectional shape of 1 bottom end of blade body is that handstand is trapezoidal.
Using the above scheme, the cross sectional shape of 1 bottom end of blade body is that handstand is trapezoidal, can make blade is more convenient to be mounted on
On drilling rod.
Specifically, the edge of 1 left and right side of blade body is equipped with chamfering 10.
Using the above scheme, the chamfering 10 at the edge of 1 left and right side of blade body, when can effectively reduce blade rotation
Suffered resistance improves drilling efficiency.
Specifically, 1 material of blade body is alloy.
Using the above scheme, the material of blade body 1 be alloy, alloy have the advantages that hardness greatly, good corrosion resistance, have
Conducive to the drilling of blade, while the service life of blade can be extended.
Embodiment of above is only that preferred embodiments of the present invention are described, not to the utility model
Range be defined, under the premise of not departing from the spirit of the design of the utility model, this field ordinary engineering and technical personnel to this
The various changes and improvements that the technical solution of utility model is made should all fall into the guarantor that claims of the utility model determine
It protects in range.
Claims (4)
1. a kind of W type alloy cutting tip, including blade body, the blade body upper end is equipped with middle cutting edge, blade body
Upper end two sides are additionally provided with left cutting edge and right cutting edge, and described middle cutting edge one end is connect with left cutting edge, the other end and right cut
Sword connection is cut, the left cutting edge is arranged in a staggered manner with right cutting edge, it is characterised in that: the left cutting edge is along its rectangle that dips down
It is discontinuous between the first left cutting edge and the second left cutting edge to including sequentially the first left cutting edge and the second left cutting edge
Setting, it includes the first right cutting edge and the second right cutting edge, the first right cut that the right cutting edge, which tilts down direction sequentially along it,
Cutting between sword and the second right cutting edge is discontinuously to be arranged, and the first angle is formed between the first left cutting edge and the first right cutting edge, the
Form the second angle between two left cutting edges and the second right cutting edge, the angle difference of second angle and the first angle is 10-20
Degree, the first left cutting edge, the first right cutting edge, the second left cutting edge and the second right cut cut tooth shape into class W type cutting portion.
2. W type alloy cutting tip according to claim 1, it is characterised in that: the section shape of the blade body bottom end
Shape is that handstand is trapezoidal.
3. W type alloy cutting tip according to claim 1, it is characterised in that: the blade body left and right side
Edge is equipped with chamfering.
4. W type alloy cutting tip according to claim 1, it is characterised in that: the blade body material is alloy.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821382123.6U CN208662613U (en) | 2018-08-22 | 2018-08-22 | W type alloy cutting tip |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821382123.6U CN208662613U (en) | 2018-08-22 | 2018-08-22 | W type alloy cutting tip |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208662613U true CN208662613U (en) | 2019-03-29 |
Family
ID=65840468
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201821382123.6U Active CN208662613U (en) | 2018-08-22 | 2018-08-22 | W type alloy cutting tip |
Country Status (1)
Country | Link |
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CN (1) | CN208662613U (en) |
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2018
- 2018-08-22 CN CN201821382123.6U patent/CN208662613U/en active Active
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