CN209157161U - Blade is swept before a kind of triangle - Google Patents
Blade is swept before a kind of triangle Download PDFInfo
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- CN209157161U CN209157161U CN201822113638.2U CN201822113638U CN209157161U CN 209157161 U CN209157161 U CN 209157161U CN 201822113638 U CN201822113638 U CN 201822113638U CN 209157161 U CN209157161 U CN 209157161U
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- blade
- cutting
- triangular blade
- knife
- chip space
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Abstract
The utility model relates to cutting-tool engineering fields, more specifically, it relates to sweep blade, drip irrigation device before a kind of triangle are as follows: including triangular blade and knife handle, knife handle is provided with the accommodation groove being caught in for triangular blade, and triangular blade and knife handle are equipped with fastener；The center of triangular blade, which is run through, mounting hole, triangular blade includes upper surface, lower end surface, respectively along three cutting edges, three main cutting faces and the three secondary cutting faces that the axis direction of mounting hole is circumferentially uniformly arranged, upper surface setting is fluted, and groove extends to cutting edge far from the side of mounting hole, upper surface is equipped with chip space, and chip space extends to cutting edge；Point of a knife is equipped between the slot bottom of groove and secondary cutting face.The chip space of arc-shaped makes the scrap generated when cutting be not easy to be adhered on the cell wall of chip space, concentrate accumulation in the slot bottom of chip space, it is discharged in time along the inclined surface of chip space, improves the heat dissipation effect of blade during the cutting process, improve the quality and efficiency of work pieces process.
Description
Technical field
The utility model relates to cutting-tool engineering fields, more specifically, it relates to sweep blade before a kind of triangle.
Background technique
Turning cutting tool is the common cutter of numerically controlled lathe, it is will be previously fabricated good and polygon with several cutting edges
Shape blade is clamped in a kind of cutter on cutter hub with mechanical clamping method, when a cutting edge blunt in use
Afterwards, as long as by the clamping and release of blade, indexing or more allowing blade replacement, then can be continued to use through clamping.Digital cuttings are can to turn
The general name of position turning insert, is the main product of modern metal cutting application field.Be mainly used in the turning of metal, milling,
Cut off the fields such as grooving, thread turning.
Blade in the prior art is generally divided into main cutting face and secondary cutting face, and as its name suggests, main cutting face is directly to join
Add the blade of metal cutting, secondary cutting face is the blade in face of machined surface, therefore the abrasion of blade is concentrated mainly on them
Between.
Currently, disclosed digital cuttings cut particle and are easy accumulation on blade during cutting in the market
And cutting edge is caused to be easier to wear, workpiece processing quality and inefficient needs to improve.
Utility model content
In view of the above shortcomings of the prior art, the purpose of the utility model is to provide sweeping blade before a kind of triangle, the blade
Cutting particle can be made to discharge in time, to improve the cutting convenience and working efficiency of blade.
The above-mentioned technical purpose of the utility model sweeps knife before having the technical scheme that a kind of triangle
Piece, the knife handle including triangular blade and for installing triangular blade, the knife handle are provided with the accommodating being caught in for triangular blade
Slot, the triangular blade and knife handle are provided with fastener；The center of the triangular blade, which is run through, mounting hole, the triangular blade
Including upper surface, lower end surface, respectively be circumferentially uniformly arranged along the axis direction of mounting hole three cutting edges, three main cutting faces
And three secondary cutting faces, the direction setting of the upper surface self-cutting sword to mounting hole is fluted, and the groove is far from peace
The side in dress hole extends to cutting edge, and the upper surface is provided with arc-shaped from the side cell wall of the groove to cutting edge direction
And chip space diagonally downward, and the chip space extends to cutting edge；It is arranged between the slot bottom of the groove and secondary cutting face
There is point of a knife.
By using above-mentioned technical proposal, triangular blade, which is realized, opens thick, semifinishing and essence to workpiece progress outer circle
The operation of process integration, and when triangular blade is installed on accommodation groove relative to diamond shaped insert, triangular blade and accommodation groove support
Junction product is bigger, so that triangular blade fixation is stronger, triangular blade is less likely to occur to deviate；So that when knife handle, triangular knife
Simultaneously, the chip space of arc-shaped makes the scrap generated when blade cut be not easy to be adhered on the cell wall of chip space to piece, concentrates accumulation
It is discharged in time in the slot bottom of chip space, and then along the inclined surface of chip space, to effectively improve blade during the cutting process
Heat dissipation effect, to improve the quality and efficiency of work pieces process.
Preferably, the end of the point of a knife is arranged in arc-shaped.
By using above-mentioned technical proposal, on the one hand the point of a knife of arc-shaped can increase the contact area to point of a knife and workpiece,
Reinforce the cutting hardness of point of a knife, is not easy tipping；On the other hand decline workpiece surface roughness, improve the essence of finished surface
Degree.
Preferably, the junction between the point of a knife and main cutting face is provided with for knife inclined-plane.
By using above-mentioned technical proposal, facilitate the installation of blade for the setting on knife inclined-plane.
Preferably, the thickness range of the triangular blade is 3.0-3.25mm.
By using above-mentioned technical proposal, triangular blade has good cut in the case where saving material within this range
Cut intensity.
Preferably, the range of tilt angles of the chip space is 8-35 °.
By using above-mentioned technical proposal, the effect of chip space discharge scrap is obvious in this range of tilt angles, and arranges
It is easy to process to consider slot to be worth doing.
Preferably, the mounting hole includes the first countersink region and the second countersink region being sequentially connected, first counterbore
The aperture size in portion is gradually decreased from upper surface to lower end surface, and the aperture size of second countersink region is constant；Described second is heavy
The inner wall of hole portion is provided with helicitic texture.
By using above-mentioned technical proposal, the dismounting of blade and knife handle is convenient in the setting of helicitic texture, and the second countersink region supplies
Bolt or screw fixed blade and knife handle, the first countersink region are used to accommodate the head of bolt or screw, improve the beauty of blade entirety
Sight degree.
Preferably, the triangular blade is made of hard alloy.
By using above-mentioned technical proposal, hard alloy is with hardness is high, wear-resisting, intensity and toughness are preferable, heat-resisting, corrosion resistant
A series of excellent performances such as erosion, ensure that the hardness requirement of blade.
Preferably, the surface of the triangular blade is provided with the PVD coating of any one of TiAIN, TiCN.
By using above-mentioned technical proposal, PVD coating plays good protective action to blade, to improve blade
Performance, extend the service life of blade.
To sum up, the utility model has the following beneficial effects:
1, the chip space of arc-shaped makes the scrap generated when blade cut be not easy to be adhered on the cell wall of chip space, concentrates tired
The long-pending slot bottom in chip space, and then discharged in time along the inclined surface of chip space, to effectively improve blade in cutting process
In heat dissipation effect, to improve the quality and efficiency of work pieces process；
2, the dismounting of blade and knife handle is convenient in the setting of helicitic texture, the second countersink region for bolt or screw fixed blade and
Knife handle, the first countersink region are used to accommodate the head of bolt or screw, improve the aesthetics of blade entirety；
3, triangular blade, which is realized, opens thick, semifinishing and the integrated operation of finishing to workpiece progress outer circle, and
When triangular blade is installed on accommodation groove relative to diamond shaped insert, the contact area of triangular blade and accommodation groove is bigger, thus triangle
Blade fixation is stronger, and triangular blade is less likely to occur to deviate.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment intermediate cam blade；
Fig. 2 is the structural schematic diagram at another visual angle of the utility model embodiment intermediate cam blade；
Fig. 3 is the mounting structure schematic diagram of the utility model embodiment triangular blade and knife handle.
Appended drawing reference: 1, triangular blade；101, upper surface；102, lower end surface；2, knife handle；201, accommodation groove；3, main cutting
Face；4, secondary cutting face；5, cutting edge；6, groove；7, mounting hole；71, the first countersink region；72, the second countersink region；8, chip space；
9, point of a knife；10, for knife inclined-plane.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Blade is swept before a kind of triangle, referring to Figure 1 and Figure 3, including including triangular blade 1 and for installing triangular blade 1
Knife handle 2, the knife handle 2 is provided with the accommodation groove 201 being caught in for triangular blade 1, and the triangular blade 1 is provided with knife handle 2
Fastener；In the present embodiment, fastener is preferably bolt.Meanwhile the center of triangular blade 1 is through having mounting hole 7, triangle
Blade 1 includes upper surface 101, lower end surface 102, three cutting edges being circumferentially uniformly arranged along the axis direction of mounting hole 7 respectively
5, three main cutting faces 3 and three secondary cutting faces 4.
In addition, the direction of upper surface 101 self-cutting sword 5 to mounting hole 7 opens up fluted 6, groove 6 is far from mounting hole 7
Side extends to cutting edge 5, and the slot bottom self-cutting sword 5 of groove 6 to 7 direction of mounting hole is arranged diagonally downward.Triangular blade 1 is real
Show and thick, semifinishing and the integrated operation of finishing are opened to workpiece progress outer circle；And triangular blade 1 is relative to diamond shape knife
When piece is installed on accommodation groove 201, triangular blade 1 and the contact area of accommodation groove 201 are bigger, so that triangular blade 1 is fixed more
Securely, triangular blade 1 is less likely to occur to deviate.
Meanwhile the thickness range of triangular blade 1 is 3.0-3.25mm.Triangular blade 1 is saving material within this range
In the case of have good cutting hardness.In the present embodiment, the thickness of triangular blade 1 is preferably 3.18mm.
Referring to Fig.1, upper surface 101 is provided with arc-shaped and diagonally downward from the side cell wall of groove 6 to 5 direction of cutting edge
Chip space 8, and chip space 8 extends to cutting edge 5, is provided with point of a knife 9 between the slot bottom of groove 6 and secondary cutting face 4.Arc-shaped
Chip space 8 be not easy the scrap generated when blade cut on the cell wall for being adhered to chip space 8, concentrate accumulation in chip space 8
Slot bottom, and then discharged in time along the inclined surface of chip space 8, to effectively improve the heat dissipation effect of blade during the cutting process
Fruit, to improve the quality and efficiency of work pieces process.
Meanwhile the range of tilt angles of chip space 8 is 8-35 °.Scrap is discharged in chip space 8 in this range of tilt angles
Effect is obvious, and chip space 8 is easy to process.In the present embodiment, the tilt angle of chip space 8 is preferably 30 °.
Specifically, the end of point of a knife 9 is arranged in arc-shaped, 9 one side of point of a knife of arc-shaped can increase to point of a knife 9 and workpiece
Contact area, reinforce the cutting hardness of point of a knife 9, be not easy tipping；On the other hand decline workpiece surface roughness, improve
The precision of finished surface.In addition, the junction between point of a knife 9 and main cutting face 3 is provided with the peace for facilitating blade for knife inclined-plane 10
Dress.
Referring to Figures 1 and 2, mounting hole 7 includes the first countersink region 71 and the second countersink region 72 being sequentially connected, and first is heavy
Hole portion 71 is connected with upper surface 101, and the second countersink region 72 is connected with lower end surface 102, and the aperture ruler of the first countersink region 71
Very little to gradually decrease from upper surface 101 to lower end surface 102, the aperture size of the second countersink region 72 is constant；Meanwhile second countersink region 72
Inner wall be provided with helicitic texture.The dismounting of blade and knife handle is convenient in the setting of helicitic texture, the second countersink region 72 for bolt or
Screw fixed blade and knife handle, the first countersink region 71 are used to accommodate the head of bolt or screw, improve the aesthetics of blade entirety.
In the present embodiment, triangular blade 1 is made of hard alloy.Hard alloy has that hardness is high, wear-resisting, intensity and tough
A series of excellent performances such as property is preferable, heat-resisting, corrosion-resistant, ensure that the hardness requirement of blade.In addition, the surface of triangular blade 1
It is provided with the PVD coating of any one of TiAIN, TiCN.In the present embodiment, the PVD coating of preferably TiAIN, to blade
Good protective action is played, to improve the performance of blade, extends the service life of blade.
Above-described embodiment is only the explanation to the utility model, is not limitations of the present invention, this field
Technical staff can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but only
It will be in the scope of the claims of the utility model all by the protection of Patent Law.
Claims (8)
1. blade is swept before a kind of triangle, it is characterized in that: including triangular blade (1) and the knife handle for installing triangular blade (1)
(2), the knife handle (2) is provided with the accommodation groove (201) being caught in for triangular blade (1), the triangular blade (1) and knife handle (2)
It is provided with fastener；Through having mounting hole (7), the triangular blade (1) includes upper surface at the center of the triangular blade (1)
(101), lower end surface (102), three cutting edges (5) being circumferentially uniformly arranged along the axis direction of mounting hole (7) respectively, three masters
Cutting face (3) and three secondary cutting faces (4), the direction setting of upper surface (101) the self-cutting sword (5) to mounting hole (7)
Fluted (6), and the groove (6) extends to cutting edge (5) far from the side of mounting hole (7), the upper surface (101) is from institute
Side cell wall to cutting edge (5) direction for stating groove (6) is provided with arc-shaped and chip space (8) diagonally downward, and the row
Bits slot (8) extend to cutting edge (5)；Point of a knife (9) are provided between the slot bottom of the groove (6) and secondary cutting face (4).
2. blade is swept before a kind of triangle according to claim 1, it is characterized in that: the end of the point of a knife (9) is in arc-shaped
Setting.
3. sweep blade before a kind of triangle according to claim 2, it is characterized in that: the point of a knife (9) and main cutting face (3) it
Between junction be provided with for knife inclined-plane (10).
4. blade is swept before a kind of triangle according to claim 1, it is characterized in that: the thickness range of the triangular blade (1)
For 3.0-3.25mm.
5. blade is swept before a kind of triangle according to claim 1, it is characterized in that: the tilt angle model of the chip space (8)
Enclose is 8-35 °.
6. blade is swept before a kind of triangle according to claim 1, it is characterized in that: the mounting hole (7) includes being sequentially connected
The first countersink region (71) and the second countersink region (72), the aperture size of first countersink region (71) is from upper surface (101)
It is gradually decreased to lower end surface (102), the aperture size of second countersink region (72) is constant；Second countersink region (72) it is interior
Wall is provided with helicitic texture.
7. blade is swept before a kind of triangle according to claim 1, it is characterized in that: the triangular blade (1) is by hard alloy
It is made.
8. blade is swept before a kind of triangle according to claim 1, it is characterized in that: the surface of the triangular blade (1) is arranged
There are the PVD coating of any one of TiAIN, TiCN.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822113638.2U CN209157161U (en) | 2018-12-14 | 2018-12-14 | Blade is swept before a kind of triangle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822113638.2U CN209157161U (en) | 2018-12-14 | 2018-12-14 | Blade is swept before a kind of triangle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209157161U true CN209157161U (en) | 2019-07-26 |
Family
ID=67343925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822113638.2U Active CN209157161U (en) | 2018-12-14 | 2018-12-14 | Blade is swept before a kind of triangle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209157161U (en) |
-
2018
- 2018-12-14 CN CN201822113638.2U patent/CN209157161U/en active Active
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