CN214321868U - Replaceable grooving blade - Google Patents
Replaceable grooving blade Download PDFInfo
- Publication number
- CN214321868U CN214321868U CN202023153737.7U CN202023153737U CN214321868U CN 214321868 U CN214321868 U CN 214321868U CN 202023153737 U CN202023153737 U CN 202023153737U CN 214321868 U CN214321868 U CN 214321868U
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- edge
- side edge
- blade
- cutting part
- grooving
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Abstract
The utility model discloses a replaceable grooving blade, including stalk portion and cutting part, the cutting part includes grooving cutting part and chamfer cutting part, the grooving cutting part includes bottom edge, the protection of blade tip, side edge one, side edge two, the bottom edge sets up at the foremost end of cutting part, side edge one and side edge two set up relatively, all be equipped with the protection of blade tip between side edge one, side edge two and the bottom edge, the bottom edge is equipped with first anterior angle, second anterior angle and relief angle, side edge one and side edge two are equipped with the relief angle, first anterior angle department sets up chip breaker one, second anterior angle department sets up chip breaker two; a third chip breaker groove and a fourth chip breaker groove are formed on a cutter surface formed by the bottom blade, the first side blade and the second side blade; the chamfering edge part comprises a group of chamfering edges arranged in parallel, and the chamfering edges are adjacent to the side edges I. The machined part has stable size and good smoothness, and the chip breaking grooves at the 2 sections of the grooving edge part and the chamfering edge part are designed to ensure that the chip shape is more stable, the chip shape is stable and the chips are not easy to wind; the machined surface can not be clamped, the discharge is easy, and the yield is improved.
Description
Technical Field
The utility model relates to a cutter technical field specifically says so, but substitution grooving blade.
Background
When parts of the pneumatic valve body are machined, a standard groove blade is adopted in the existing machining process, a forming procedure is needed during machining, the groove to be machined is narrow, chips are prone to being clamped in the groove and cannot be discharged, the subsequent manual chip removing efficiency is low, machined surfaces are prone to being damaged, and the yield is low.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: to the problem and not enough of existence among the above-mentioned prior art, the utility model aims at providing a but substitution grooving blade.
The technical scheme is as follows: in order to achieve the above object, the replaceable grooving blade of the present invention comprises a handle portion and a cutting portion, wherein the cutting portion comprises a grooving cutting portion and a chamfer cutting portion, the grooving cutting portion comprises a bottom blade, a blade tip protection portion, a first side blade and a second side blade, the bottom blade is arranged at the foremost end of the cutting portion, the first side blade and the second side blade are arranged oppositely, the blade tip protection portion is arranged between the first side blade, the second side blade and the bottom blade, the bottom blade is provided with two sections of front angles of the bottom blade and rear angles of the bottom blade, the first side blade and the second side blade are provided with rear angles of the side blade, and two front angles are provided with a first chip breaker and a second chip breaker; a third chip breaker groove and a fourth chip breaker groove are formed on a cutter surface formed by the bottom blade, the first side blade and the second side blade; the chamfering edge part comprises a group of chamfering edges arranged in parallel, and the chamfering edges are adjacent to the side edges.
Further, the first front angle and the second front angle are both 15-25 degrees, and the rear angle is 10-15 degrees.
Further, a concave rake angle is further arranged on the bottom edge, and the concave rake angle is 5-10 degrees. The concave rake angle is designed to curl the chip shape toward the middle of the slot.
Further, the blade protection part is arc-shaped.
Further, the included angle formed by the chamfer edge and the horizontal central axis is 58-62 degrees.
Furthermore, the angle is 1-4 degrees, and the side edge I and the side edge II are both provided with 1-3 degrees of clearance. The back angle design of two side sword has guaranteed the life of cutter, and the design of keeping away the sky 1 ~3 of two side sword guarantees that the cell wall does not have the interference, and the smooth finish obtains guaranteeing.
According to the technical scheme, the invention has the beneficial effects that:
the replaceable grooving blade is a replaceable tool bit, the size of a machined part is stable, the smoothness is good, and the chip breaking grooves of the 2 sections of the grooving edge part and the chamfering edge part are designed, so that the chip shape is more stable, the chip shape is stable, and chips are not easy to wind; the machined surface can not be clamped, the discharge is easy, and the efficiency and the yield of product machining are improved.
Drawings
Fig. 1 is a front view of the present invention;
FIG. 2 is a schematic view of a partial structure of the blade of the present invention;
fig. 3 is a rear view of the present invention;
fig. 4 is a left side view of the present invention;
fig. 5 is a schematic view of the installation of the present invention;
fig. 6 is a partial structural view of a part to be machined.
Detailed Description
The invention is further elucidated with reference to the drawings and the embodiments.
1-4, the replaceable grooving insert comprises a shank 1 and a cutting part 2, the cutting part comprises a grooving cutting part and a chamfer cutting part, the grooving cutting part comprises a bottom cutting edge 21, a tip protection part 22, a side cutting edge 23, a side cutting edge 24, the bottom cutting edge 21 is arranged at the foremost end of the cutting part 2, the side cutting edge 23 and the side cutting edge 24 are oppositely arranged, the tip protection part 22 is arranged between the side cutting edge 23, the side cutting edge 24 and the bottom cutting edge 21, the bottom cutting edge 21 is provided with a bottom cutting edge rake angle 211 and a bottom cutting edge relief angle 212, the side cutting edge 23 and the side cutting edge 24 are provided with a side cutting edge relief angle 231, a first chip breaker 261 is arranged at the rake angle 212, and a second chip breaker 262 is arranged at the second rake angle 212; a chip breaker groove three 263 and a chip breaker groove four 264 are arranged on a tool surface formed by the bottom blade 21, the side blade one 23 and the side blade two 24; the chamfering edge part comprises a group of chamfering edges 25 which are arranged in parallel, and the chamfering edges 25 are arranged adjacent to the first side edges 23.
In the embodiment, the front angles 211 of the bottom edges are 15-25 degrees, and the rear angles 212 of the bottom edges are 10-15 degrees.
In this embodiment, the bottom edge 21 is further provided with a concave rake angle 214
214 is 5 DEG to 10 deg.
In this embodiment, the blade protection portion 22 is arc-shaped.
In the embodiment, the included angle between the chamfer edge 25 and the horizontal central axis is 58-62 degrees.
In the embodiment, the back angle of the first side edge 23 and the second side edge 24 is 1-4 degrees, and the first side edge 23 and the second side edge 24 are both provided with 1-3 degrees of clearance.
As shown in FIG. 5, in use, the grooving turning insert is secured to the tool so that the swarf curls toward the middle of the groove and does not jam the machined surface; the chip breaking grooves at the 2 sections of the grooving edge part and the chamfering edge part are designed, so that the chip shape is more stable and the chips are not easy to wind; the front angle is designed to be 15-25 degrees, so that the method is more suitable for processing aluminum parts; the back angle of the two side edges is designed to be 1-4 degrees.
The examples are given solely for the purpose of illustration and are not to be construed as limitations of the present invention, as various equivalents will occur to those skilled in the art upon reading the present invention and are intended to be within the scope of the invention as defined in the claims appended hereto.
Claims (6)
1. A replaceable grooving blade is characterized in that: the cutting edge comprises a handle part (1) and a cutting part (2), the cutting part comprises a grooving cutting part and a chamfer cutting part, the grooving cutting part comprises a bottom edge (21), a cutting edge protection part (22), a first side edge (23), a second side edge (24), the bottom edge (21) is arranged at the foremost end of the cutting part (2), the first side edge (23) and the second side edge (24) are oppositely arranged, the cutting edge protection part (22) is arranged between the first side edge (23), the second side edge (24) and the bottom edge (21), the bottom edge (21) is provided with two sections of bottom edge front angles (211) and bottom edge rear angles (212), the first side edge (23) and the second side edge (24) are provided with side edge rear angles (231), and the first chip breaker grooves (261) and the second chip breaker grooves (262) are arranged at the two front angles (211); a breaker groove III (263) and a breaker groove IV (264) are arranged on a knife face formed by the bottom edge (21), the side edge I (23) and the side edge II (24); the chamfering edge part comprises a group of chamfering edges (25) which are arranged in parallel, and the chamfering edges (25) are adjacent to the side edges I (23).
2. A replaceable grooving insert as claimed in claim 1 wherein: the front angle (211) is 15-25 degrees, and the rear angle (212) is 10-15 degrees.
3. A replaceable grooving insert as claimed in claim 1 wherein: the bottom edge (21) is also provided with a concave front angle (213), and the concave front angle (213) is 5-10 degrees.
4. A replaceable grooving insert as claimed in claim 1 wherein: the blade protecting part (22) is arc-shaped.
5. A replaceable grooving insert as claimed in claim 1 wherein: the included angle formed by the chamfer edge (25) and the horizontal central axis is 58-62 degrees.
6. A replaceable grooving insert as claimed in claim 1 wherein: the side edge back angle (231) of the first side edge (23) and the second side edge (24) is 1-4 degrees, and the first side edge (23) and the second side edge (24) are both provided with a clearance (232) of 1-3 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023153737.7U CN214321868U (en) | 2021-08-12 | 2021-08-12 | Replaceable grooving blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023153737.7U CN214321868U (en) | 2021-08-12 | 2021-08-12 | Replaceable grooving blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214321868U true CN214321868U (en) | 2021-10-01 |
Family
ID=77901419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023153737.7U Active CN214321868U (en) | 2021-08-12 | 2021-08-12 | Replaceable grooving blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214321868U (en) |
-
2021
- 2021-08-12 CN CN202023153737.7U patent/CN214321868U/en active Active
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