CN205309337U - Cutting tool - Google Patents
Cutting tool Download PDFInfo
- Publication number
- CN205309337U CN205309337U CN201620037142.XU CN201620037142U CN205309337U CN 205309337 U CN205309337 U CN 205309337U CN 201620037142 U CN201620037142 U CN 201620037142U CN 205309337 U CN205309337 U CN 205309337U
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- face
- blade
- sword
- cutting tool
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Abstract
The utility model provides a cutting tool, contains a handle of a knife, reaches a detachably and is fixed in the blade on this handle of a knife, and this blade includes a body and at least quire sword. This body has a top surface, a bottom surface, a plurality ofly links up in between this top surface and this bottom surface and the side that borders on each other, and at least one between one -tenth cutting parts between two sides that press from both sides an acute angle each other wherein. This cutting edge is on this one -tenth cutting part to have one and the roughing portion that links up of one side face wherein, and an essence portion of cutting that links up with the another side. This roughing portion has one and the first limit face that overlaps of one side face wherein, and one from this first limit face with the inside first flank that extends of a first acute angle, and this essence portion of cutting has a second limit face that overlaps with the another side, and one from this second limit face with the inside second flank of extension of a second acute angle.
Description
Technical field
The utility model relates to a kind of cutter, particularly relates to a kind of cutting tool.
Background technology
Consult Fig. 1, for the situation utilizing two existing Hole boring knifes 11 to be bored a hole by a workpiece 2, described Hole boring knife 11 is by, clamped by a fixture 10, each Hole boring knife 11 comprises a handle of a knife 111, and one be fixed on this handle of a knife 111 and for the blade 112 of the inner-wall surface 21 that cuts this workpiece 2. When the blade 112 of described Hole boring knife 11 cuts the inner-wall surface 21 of this workpiece 2, the hole 200 that can be formed holing in advance carries out following process, makes this hole 200 form required aperture accurately.
But, when being bored a hole by described Hole boring knife 11, it is necessary to first slightly ward off operation, then in the angle of the described Hole boring knife 11 of adjustment, or after changing the blade 112 of another kind of specification, then carry out essence and ward off operation, just really this hole 200 can be processed as required size. Therefore, easily in adjustment angle in the process of processing, or the action changed produces error, also extend the time expended needed for processing.
Summary of the invention
The purpose of this utility model is to provide a kind of can carry out roughing and cutting tool that essence is cut once.
The utility model cutting tool, comprises a handle of a knife, and the blade that is removably fixed on this handle of a knife. This blade comprises a body, and at least one blade being formed on this body. This handle of a knife is applicable to be made this cutting tool by the running of this fixture by a fixture clamping, cut by one workpiece with this blade.
The body of this blade has an end face, and is positioned at the bottom surface of opposition side with this end face, multiple is connected between this end face and this bottom surface and side adjacent each other, and at least one presss from both sides the one-tenth sword portion between the side of an acute angle each other between wherein two.
The blade of this blade is formed in this one-tenth sword portion, and has a roughing portion being connected with wherein one side, and an essence being connected with another side cuts portion. This roughing portion has first face, limit with corresponding side overlap, and the first sword face that extends internally with one first acute angle from this face, the first limit, and this essence portion of cutting has the 2nd face, limit with corresponding side overlap, and one extend internally with one the 2nd acute angle from the 2nd face, limit, and it is connected the 2nd sword face in this first sword face. Wherein, this first acute angle is less than the 2nd acute angle, makes this roughing portion have different sharp-pointed degree and rigidity from this essence portion of cutting, and is beneficial to carry out roughing and the smart operation cut respectively.
During this workpiece of this blade cuts, first can carry out the operation of roughing with this roughing portion after, then carry out, with this essence portion of cutting, the operation that essence cuts.And the first acute angle folded by first face, limit in this roughing portion and the first sword face, the 2nd acute angle folded by the 2nd face, limit in portion and the 2nd sword face is cut with this essence, can design separately according to demand, make this first acute angle and the 2nd acute angle can be applicable to carrying out respectively the cutting work of different depths and precision, can carry out once after roughing operation, then carry out essence and cut operation.
The purpose of this utility model and solve its technical problem and also can be applied to the following technical measures to achieve further.
Goodly, aforementioned cutting tool, wherein, this roughing portion also has first lead angle being formed between this face, the first limit and this first sword face, and this essence portion of cutting also has the 2nd lead angle being formed between the 2nd face, limit and the 2nd sword face.
Goodly, aforementioned cutting tool, wherein, the radius-of-curvature of this first lead angle is greater than the radius-of-curvature of the 2nd lead angle.
Goodly, aforementioned cutting tool, wherein, the radius-of-curvature of this first lead angle is 0.8 millimeter, and the radius-of-curvature of the 2nd lead angle is 0.4 millimeter.
Goodly, aforementioned cutting tool, is applicable to be bored a hole by a workpiece, this workpiece has an inner-wall surface around a prebored hole, wherein, when the inner-wall surface of this workpiece is bored a hole by this cutting tool, the 2nd lead angle that the essence of this blade cuts portion contacts this inner-wall surface contact area.
Goodly, aforementioned cutting tool, wherein, the body of this blade has four and is connected between this end face and this bottom surface and side adjacent each other, and two one-tenth sword portions between every two sides pressing from both sides an acute angle each other, this blade comprises the blade that two are formed at described one-tenth sword portion respectively.
Goodly, aforementioned cutting tool, wherein, the first acute angle folded by first face, limit in this roughing portion and the first sword face is 70 degree, and this essence to cut the 2nd acute angle folded by the 2nd face, limit in portion and the 2nd sword face be 80 degree.
Goodly, aforementioned cutting tool, wherein, the body of this blade has three and is connected between this end face and this bottom surface and the side being connected each other, and three one-tenth sword portions between every two sides pressing from both sides an acute angle each other, this blade comprises at least one being formed at and else becomes the blade in sword portion.
Goodly, aforementioned cutting tool, wherein, the first acute angle folded by first face, limit in this roughing portion and the first sword face is 60 degree, and this essence to cut the 2nd acute angle folded by the 2nd face, limit in portion and the 2nd sword face be 60 degree.
Goodly, aforementioned cutting tool, wherein, the body of this blade also has the perforation that extends to this bottom surface from this end face, and this perforation is applicable to wear for a locking part and is locked on this handle of a knife.
Useful effect of the present utility model is: when carrying out machining with this cutting tool, first can carry out first time cutting by the roughing portion of this blade, to complete the operation of roughing, then carry out follow-up second time by the essence portion of cutting of this blade again to cut, to complete the operation that essence is cut, do not need to change blade or adjustment angle, roughing can be carried out once and operation that essence is cut.
Accompanying drawing explanation
Fig. 1 is a schematic diagram, and the situation carrying out with two existing Hole boring knifes boring a hole is described;
Fig. 2 is a stereographic map, and one first embodiment of the utility model cutting tool is described;
Fig. 3 is a vertical view, and a blade of this first embodiment is described;
Fig. 4 is a partial enlargement figure, and a blade of this blade is described;
Fig. 5 is a schematic diagram, and the situation carrying out with this first embodiment boring a hole is described;
Fig. 6 is a schematic diagram, and the situation of the essence portion of the cutting contact workpiece of this blade is described;
Fig. 7 is a three-dimensional exploded view, and the direction of the blade changing this first embodiment is described;
Fig. 8 is a vertical view, and one the 2nd embodiment of the utility model cutting tool is described;
Fig. 9 is a vertical view, and one the 3rd embodiment of the utility model cutting tool is described;
Figure 10 is a three-dimensional exploded view, and the direction of the blade changing the 3rd embodiment is described; And
Figure 11 is a schematic diagram, and the situation utilizing the 3rd embodiment to carry out turning is described.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in detail.
Consulting Fig. 2, the first embodiment of the utility model cutting tool comprises a handle of a knife 3, and the blade 4 that is removably fixed on this handle of a knife 3. This blade 4 comprises a body 41, and the blade 42 that two are formed on this body 41. This handle of a knife 3 is applicable to clamp by a fixture (not illustrating in figure), make this first embodiment by the rotation of this fixture, with this blade 4, a workpiece 5 (being illustrated in Fig. 5 and Fig. 6) is bored a hole, or carry out turning by the clamping of this fixture.
Consult Fig. 2 and Fig. 3, the body 41 of this blade 4 has 412, four, the bottom surface that an end face 411, is positioned at opposition side with this end face 411 and is connected between this end face 411 and this bottom surface 412 and 413, two adjacent each other, side presss from both sides each other between every two respectively and becomes sword portion 414 between the side 413 of an acute angle, and one extends to the perforation 415 of this bottom surface 412 from this end face 411. This perforation 415 is applicable to wear for a locking part 9 and is locked on this handle of a knife 3, and this blade 4 can be fixed on this handle of a knife 3 stablely.
Illustrate, owing to this blade 4 directly must contact this workpiece 5 and cut, the material that therefore this blade 4 must adopt such as high carbon steel, wolfram varbide etc. comparatively hard. And this handle of a knife 3 is by clamped by this fixture, it is necessary to have enough shock-absorbing power and toughness, just absorbed the vibration being contacted this workpiece 5 and being produced by this blade 4, to promote the accurate degree bored a hole. Therefore, this handle of a knife 3 is preferably and adopts soft steel, alloy etc. to have better shock-absorbing power and have the material of toughness. And during practical application, as long as this blade 4 has enough hardness, and this handle of a knife 3 also can really absorb vibration and improve precisely spend, the material of employing is not limited with above-mentioned.
Consulting Fig. 3 and Fig. 4, the described blade 42 of this blade 4 is formed in described one-tenth sword portion 414 respectively, each blade 42 have one with the roughing portion 421 that wherein one side 413 is connected, and an essence being connected with another side 413 cuts portion 422. This roughing portion 421 has a first sword face 424 extended internally with one first acute angle theta 1 with the first face, limit 423, of corresponding side 413 overlap from this face, the first limit 423, and the first lead angle 427 that is formed between this face, the first limit 423 and this first sword face 424. And this essence is cut portion 422 and had one and extend internally with one the 2nd acute angle theta 2 from the 2nd face, limit 425 with the 2nd face, limit 425, of corresponding side 413 overlap and be connected the 2nd sword face 426 in this first sword face 424, and the 2nd lead angle 428 that is formed between the 2nd face, limit 425 and the 2nd sword face 426. Wherein, this first acute angle theta 1 is 70 degree, and the 2nd acute angle theta 2 is 80 degree, and the radius-of-curvature of this first lead angle 427 is 0.8 millimeter, and the radius-of-curvature of the 2nd lead angle 428 is 0.4 millimeter.
Consult Fig. 5 and Fig. 6, this workpiece 5 has one around the inner-wall surface 51 of a prebored hole, man-hour is added when being bored a hole by this workpiece 5 by this first embodiment, after the operation that can first slightly ward off with the roughing portion 421 of a wherein blade 42, then the operation that this essence is cut portion 422 and carried out essence and ward off is used, therefore the angle adjusting this blade 4 can not needed, also do not need to change this blade 4 when, reach disposable slightly warding off and effect that essence is warded off. and the first acute angle theta 1 folded by first face, limit 423 in this roughing portion 421 and the first sword face 424, it is be less than this essence to cut the 2nd acute angle theta 2 folded by the 2nd face, limit 425 in portion 422 and the 2nd sword face 426, therefore this roughing portion 421 is when cutting, with comparatively sharp-pointed sword, this workpiece 5 can be carried out darker cutting. and due to the radius-of-curvature of the 2nd lead angle 428 less, therefore the 2nd lead angle 428 relatively this first lead angle 427 want sharp-pointed, with this essence cut portion 422 cut time, it it is the workpiece 5 after this roughing portion 421 is cut, relatively big with angle but that rigidity is relatively strong sword cuts, and less the 2nd lead angle 428 of the radius-of-curvature adopting lead angle contacts this workpiece 5, this essence cuts the contact area A that portion 422 has and more can really contact the inner-wall surface 51 of this workpiece 5, and carry out comparatively meticulous cutting at per unit area with bigger pressure, make this prebored hole can after carrying out the operation that essence is warded off, present the aperture size of expection, precisely to complete the processing of boring a hole of the prebored hole of this workpiece 5.
Consult Fig. 7, when wherein a blade 42 produces abrasion in the process carrying out cutting for a long time, in order to make the processing bored a hole can remain accurate, this locking part 9 can be dismantled, and after this blade 4 is rotated 180 degree, this locking part 9 is locked and fix this blade 4 again, another blade 42 of preparation can be used to cut, to maintain the accurate degree of processing of boring a hole. Illustrate, this handle of a knife 3 must shaping especially can coordinate the groove 31 of this blade 4 shape, and this blade 4 also must shape symmetrically, be also really fixed on this handle of a knife 3 after this blade 4 just can be made to rotate. As long as and the groove 31 formed on this handle of a knife 3 can coordinate the shape of this blade 4, the shape not disclosed with Fig. 7 is limited.
Consult Fig. 8, for one the 2nd embodiment of the utility model cutting tool, 2nd embodiment is with the difference of this first embodiment: the body 41 of this blade 4 has three and is connected between this end face 411 and this bottom surface 412 and the side 413 being connected each other, and one press from both sides the one-tenth sword portion 414 between the side 413 of an acute angle each other between wherein two, this blade 4 comprises the blade 42 that is formed at this one-tenth sword portion 414. Wherein, the first acute angle theta 1 folded by first face, limit 423 in this roughing portion 421 and the first sword face 424 is 60 degree, and this essence is cut the 2nd acute angle theta 2 folded by the 2nd face, limit 425 in portion 422 and the 2nd sword face 426 and is also 60 degree. Though the blade 4 of the 2nd embodiment only comprises a blade 42, therefore the effect rotating this blade 4 and replace the blade 42 of cutting cannot be reached as this first embodiment, but the 2nd embodiment also forms a blade 42 because only needing processing, have and process advantage that is comparatively easy and that can manufacture in a large number fast, and cut portion 422 by the roughing portion 421 of this blade 42 and this essence and bore a hole, also can add man-hour what carry out boring a hole, reach disposable slightly warding off and effect that essence is warded off. Moreover, due to manufacture this blade 4 stiff materials usually costly, the blade 4 of the 2nd embodiment, compared to this first embodiment, also has comparatively material-saving and can save the advantage of manufacturing cost.
Consult Fig. 9, for one the 3rd embodiment of the utility model cutting tool, 3rd embodiment is with the difference of the 2nd embodiment: the body 41 of this blade 4 has three and becomes sword portion 414 between every two sides 413, and this blade 4 comprises the blade 42 that three are formed at described one-tenth sword portion 414 respectively. 3rd embodiment is processed to form blade 42 in the one-tenth sword portion 414 formed in every two sides 413 simultaneously, therefore compared to the 2nd embodiment, although needing to expend higher tooling cost, but this blade 4 comprises the blade 42 of three preparations, can change when arbitrary blade 42 produces abrasion, effectively extend the work-ing life of this blade 4. Consult Figure 10 and coordinate Fig. 9, when one of them blade 42 produces abrasion because carrying out for a long time cutting, this locking part 9 can be dismantled, and this locking part 9 that again locks after this blade 4 is rotated 120 degree, then another blade 42 prepared is used to carry out the processing bored a hole, to maintain the accurate degree of processing of boring a hole. Wherein, the groove 31 that this handle of a knife 3 of the 3rd embodiment is formed, is also the shape coordinating this blade 4, and after this blade 4 rotates, also can really fix this blade 4. Consulting Figure 11, the utility model cutting tool, except carrying out boring a hole except processing, also can carry out the processing of turning, as shown in figure 11 for utilizing the 3rd embodiment that one workpiece 6 is carried out the situation of turnery processing. When carrying out turnery processing, first can carry out roughing in advance by this roughing portion 421 equally, then just cut portion 422 by this essence to carry out essence and cut, once this workpiece 6 is carried out the operation of roughing and operation that essence is cut, to complete the turnery processing of this workpiece 6 fast and accurately.
Claims (10)
1. a cutting tool, comprises a handle of a knife, and the blade that is removably fixed on this handle of a knife; It is characterized in that: this blade comprises:
A body, has an end face, bottom surface being positioned at opposition side with this end face, multiple is connected between this end face and this bottom surface and side adjacent each other, and at least one presss from both sides the one-tenth sword portion between the side of an acute angle each other between wherein two; And
At least one blade, it is formed in the one-tenth sword portion of this body, and there is a roughing portion being connected with one of them side, and an essence being connected with another side cuts portion, this roughing portion has a first limit face overlapping with corresponding side surface, and the first sword face that extends internally with first acute angle from this face, the first limit, and this essence portion of cutting has a two limit face overlapping with corresponding side surface, and one extend internally with the 2nd acute angle from the 2nd face, limit, and it is connected the 2nd sword face in this first sword face.
2. cutting tool according to claim 1, it is characterized in that: this roughing portion also has first lead angle being formed between this face, the first limit and this first sword face, and this essence portion of cutting also has the 2nd lead angle being formed between the 2nd face, limit and the 2nd sword face.
3. cutting tool according to claim 2, it is characterised in that: the radius-of-curvature of this first lead angle is greater than the radius-of-curvature of the 2nd lead angle.
4. cutting tool according to claim 3, it is characterised in that: the radius-of-curvature of this first lead angle is 0.8 millimeter, and the radius-of-curvature of the 2nd lead angle is 0.4 millimeter.
5. cutting tool according to claim 3, it is characterized in that: this cutting tool is applicable to be bored a hole by a workpiece, this workpiece has an inner-wall surface around a prebored hole, when the inner-wall surface of this workpiece is bored a hole by this cutting tool, the 2nd lead angle that the essence of this blade cuts portion contacts this inner-wall surface contact area.
6. cutting tool according to claim 1, it is characterized in that: the body of this blade has four and is connected between this end face and this bottom surface and side adjacent each other, and two one-tenth sword portions between every two sides pressing from both sides an acute angle each other, this blade comprises the blade that two are formed at described one-tenth sword portion respectively.
7. cutting tool according to claim 6, it is characterised in that: the first acute angle folded by first face, limit in this roughing portion and the first sword face is 70 degree, and this essence to cut the 2nd acute angle folded by the 2nd face, limit in portion and the 2nd sword face be 80 degree.
8. cutting tool according to claim 1, it is characterized in that: the body of this blade has three and is connected between this end face and this bottom surface and the side being connected each other, and three one-tenth sword portions between every two sides pressing from both sides an acute angle each other, this blade comprises at least one being formed at and else becomes the blade in sword portion.
9. cutting tool according to claim 8, it is characterised in that: the first acute angle folded by first face, limit in this roughing portion and the first sword face is 60 degree, and this essence to cut the 2nd acute angle folded by the 2nd face, limit in portion and the 2nd sword face be 60 degree.
10. cutting tool according to claim 1, it is characterised in that: the body of this blade also has the perforation that extends to this bottom surface from this end face, and this perforation is applicable to wear for a locking part and is locked on this handle of a knife.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620037142.XU CN205309337U (en) | 2016-01-15 | 2016-01-15 | Cutting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620037142.XU CN205309337U (en) | 2016-01-15 | 2016-01-15 | Cutting tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205309337U true CN205309337U (en) | 2016-06-15 |
Family
ID=56204595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620037142.XU Expired - Fee Related CN205309337U (en) | 2016-01-15 | 2016-01-15 | Cutting tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205309337U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106401465A (en) * | 2016-11-16 | 2017-02-15 | 河南广度超硬材料有限公司 | Drilling excavation surface treatment device |
-
2016
- 2016-01-15 CN CN201620037142.XU patent/CN205309337U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106401465A (en) * | 2016-11-16 | 2017-02-15 | 河南广度超硬材料有限公司 | Drilling excavation surface treatment device |
| CN106401465B (en) * | 2016-11-16 | 2018-06-15 | 江苏双辉机械制造有限公司 | Surface processing device is excavated in a kind of drilling |
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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: 20160615 Termination date: 20220115 |