CN211939093U - PCBN blade and be used for PCBN lathe tool of big feed turning - Google Patents
PCBN blade and be used for PCBN lathe tool of big feed turning Download PDFInfo
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- CN211939093U CN211939093U CN202020450232.8U CN202020450232U CN211939093U CN 211939093 U CN211939093 U CN 211939093U CN 202020450232 U CN202020450232 U CN 202020450232U CN 211939093 U CN211939093 U CN 211939093U
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Abstract
The utility model discloses a PCBN blade and a PCBN turning tool for large-feed turning, which comprises a blade body and a tool bit; when the blade body is horizontally placed, three centrosymmetric tool bits are uniformly connected on the circumferential surface of the blade body in the horizontal direction, the connecting surfaces of the blade body and the tool bits are planes, and gaps are formed in the middle parts of the connecting surfaces; the front end of the cutter head protrudes out to be used as a cutter tip, the rear end of the cutter head is welded with the connecting surface of the blade body, the cutter tip faces the outer side of the peripheral surface of the blade body in the horizontal direction, the orientation of the cutter tip coincides with the diameter of a tangent circle in the upper surface of the blade body, the side lines of the two sides of the cutter tip of the cutter head are connected with the side lines of the two sides of the connecting surface of the blade body in a smooth transition mode. The welding strength of the cutter head is increased, the self strength and the welding strength of the cutter head are improved, the probability of cutter breakage is reduced, the service life of the blade is prolonged, the feeding amount during machining is increased, the machining efficiency is improved, and the machining cost is reduced.
Description
Technical Field
The utility model belongs to the lathe work field relates to a PCBN blade and be used for the PCBN lathe tool of dao-feed turning.
Background
PCBN blade, the blade that is made by polycrystalline cubic boron nitride material, mainly used for ferrous metal's cutting process, be particularly useful for the cutting process of difficult processing material such as quenched steel, in the aspects such as automobile manufacturing, automation line, PCBN blade use amount occupies very high proportion. At present, when a PCBN blade is subjected to large turning allowance and a workpiece with large deformation after heat treatment, the PCBN blade is short in service life, risks of tool breakage exist, feed amount is small, cutting efficiency is low, and machining cost is high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art's shortcoming, provide a PCBN blade and be used for the PCBN lathe tool of dao-feed turning, reduce and collapse sword risk, improve blade life and machining efficiency.
In order to achieve the above purpose, the utility model adopts the following technical scheme to realize:
a PCBN blade comprises a blade body and a blade head;
when the blade body is horizontally placed, three centrosymmetric tool bits are uniformly connected on the circumferential surface of the blade body in the horizontal direction, the connecting surfaces of the blade body and the tool bits are planes, and gaps are formed in the middle parts of the connecting surfaces; the front end of the cutter head protrudes out to be used as a cutter tip, the rear end of the cutter head is welded with the connecting surface of the blade body, the cutter tip faces the outer side of the peripheral surface of the blade body in the horizontal direction, the orientation of the cutter tip coincides with the diameter of a tangent circle in the upper surface of the blade body, the side lines of the two sides of the cutter tip of the cutter head are connected with the side lines of the two sides of the connecting surface of the blade body in a smooth transition mode.
Preferably, when the blade body is horizontally placed, the cross section of the notch in the vertical direction is semicircular, the axis of the notch is parallel to the vertical direction, and two ends of the notch are communicated.
Preferably, when the blade body is horizontally placed, the section of the cutter head in the horizontal direction is rectangular, and the length of the rectangle is the same as the thickness of the blade body in the vertical direction.
Preferably, the blade model is WNGA080402F 04.
A PCBN lathe tool for large-feed turning comprises a lathe tool rod and the blade;
the blade is clamped on the lathe tool rod, and the main deflection angle of the blade is 5-15 degrees.
Preferably, the principal rake angle of the blade is 10 °.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses an adopt the tool bit that PCBN sword grain was made, with tool bit and the welding of blade body, the tool bit does not have the both sides of outstanding blade body connection face to connect the face to have the opening through the blade body, make the welding mode of tool bit for the through type welding, increased the welding strength of tool bit, improved the self intensity and the welding strength of tool bit, reduced the probability that collapses the sword, improved blade life, thereby increase the feed volume man-hour, improve machining efficiency, reduce the processing cost.
Further, the section of the cutter head is a rectangular part and is the same as the thickness of the blade body, so that the cutter head is provided with two cutting edges, the blade is provided with six double-sided cutting edges, and the blade economy can be maximized.
The utility model also discloses a lathe tool sets up lessly through the main declination with the blade to the volume of will feeding can improve to 0.2 ~ 0.4mm/r when the finish machining, compares with ordinary lathe tool, and process time shortens to original 0.5 ~ 0.25 times, and efficiency promotes 2 ~ 4 times.
Drawings
FIG. 1 is a front view of a blade according to the present invention;
FIG. 2 is a side view of a blade of the present invention;
FIG. 3 is a schematic view of the turning tool of the present invention;
fig. 4 is the turning tool of the present invention.
Wherein: 1-a blade body; 2-a cutter head; 3-opening; 4, turning a cutter rod; 5-workpiece.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings:
as shown in figure 1, for the PCBN blade of the present invention, including blade body 1 and tool bit 2.
When blade body 1 level was placed, was provided with the through-hole at the center of vertical direction, and blade body 1 level direction is global evenly to be connected with three tool bit 2, connects the face and is the plane, and every is connected the face middle part and all is provided with into opening 3, and opening 3 is semi-circular in the cross-sectional shape of vertical direction, and 3 axes of opening are parallel with vertical direction, and 3 both ends of opening link up.
2 rear end welding of tool bit 2 forms complete blade on the face of connecting of blade body 1, and tool bit 2 is outstanding as the knife tip, and the knife tip is towards the global outside of blade body 1 horizontal direction to with the coincidence of 1 upper surface inscribe circle diameter, 2 knife tip both sides sidelines of tool bit are connected with the sideline on blade body 1 connection face both sides, do not connect the both sides of face from the blade body and are outstanding, thereby improved the intensity of tool bit 2, reduced the probability that collapses the sword, improved blade life.
When blade body 1 level was placed, tool bit 2 was the rectangle in the cross-section of horizontal direction, as shown in fig. 2, and rectangle length is the same with blade body 1 in the thickness of vertical direction to make tool bit 2 have two cutting edges, make the blade have six two-sided cutting edges, can make blade economy maximize.
As shown in fig. 3, in order to provide the PCBN lathe tool for the large feed turning of the present invention, the lathe tool bar 4 and the above-mentioned PCBN blade, the blade is clamped on the lathe tool bar 4, the main deflection angle of the blade is 5 ° to 15 °, and the main deflection angle of the blade preferred in this embodiment is 10 °.
When the tool is used, the turning tool rod 4 provided with the PCBN blade is clamped on a machine tool, and a workpiece 5 is turned as shown in figure 3.
The above contents are only for explaining the technical idea of the present invention, and the protection scope of the present invention cannot be limited thereby, and any modification made on the basis of the technical solution according to the technical idea of the present invention all fall within the protection scope of the claims of the present invention.
Claims (6)
1. The PCBN blade is characterized by comprising a blade body (1) and a blade head (2);
when the blade body (1) is horizontally placed, three centrosymmetric tool bits (2) are uniformly connected on the circumferential surface of the blade body (1) in the horizontal direction, the connecting surface of the blade body (1) and the tool bits (2) is a plane, and gaps (3) are arranged in the middle of the connecting surface; the front end of the cutter head (2) protrudes out to be used as a cutter tip, the rear end of the cutter head is welded with the connecting surface of the blade body (1), the cutter tip faces the outer side of the peripheral surface of the blade body (1) in the horizontal direction, the orientation of the cutter tip coincides with the diameter of a tangent circle in the upper surface of the blade body (1), the side lines of the two sides of the cutter tip of the cutter head (2) are connected with the side lines of the two sides of the connecting surface of the blade body (1) in a smooth transition mode, and the cutter head.
2. PCBN blade according to claim 1, characterized in that when the blade body (1) is placed horizontally, the cross-sectional shape of the notch (3) in the vertical direction is semicircular, the axis of the notch (3) is parallel to the vertical direction, and the two ends of the notch (3) are through.
3. PCBN blade as claimed in claim 1, characterised in that when the blade body (1) is placed horizontally, the cross-section of the blade head (2) in the horizontal direction is rectangular, the length of the rectangle being the same as the thickness of the blade body (1) in the vertical direction.
4. The PCBN blade of claim 1, wherein the blade model is WNGA080402F 04.
5. A PCBN turning tool for large feed turning, comprising a tool shank (4) and an insert according to any of claims 1-4;
the blade is clamped on the lathe tool bar (4), and the main deflection angle of the blade is 5-15 degrees.
6. A PCBN lathe tool for large feed turning as claimed in claim 5, in which the principal rake angle of the insert is 10 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020450232.8U CN211939093U (en) | 2020-03-31 | 2020-03-31 | PCBN blade and be used for PCBN lathe tool of big feed turning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020450232.8U CN211939093U (en) | 2020-03-31 | 2020-03-31 | PCBN blade and be used for PCBN lathe tool of big feed turning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211939093U true CN211939093U (en) | 2020-11-17 |
Family
ID=73168115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020450232.8U Active CN211939093U (en) | 2020-03-31 | 2020-03-31 | PCBN blade and be used for PCBN lathe tool of big feed turning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211939093U (en) |
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2020
- 2020-03-31 CN CN202020450232.8U patent/CN211939093U/en active Active
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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: 20220617 Address after: 710000 first floor, unit 1, building 6, science and technology enterprise accelerator zone 2, Caotang science and technology industry base, high tech Zone, Xi'an, Shaanxi Province Patentee after: XI'AN QINYUE PRECISION TOOLS Co.,Ltd. Address before: 710003 room 10201, floor 1, unit 1, building 6, science and technology enterprise accelerator zone 2, No. 6, Qinling Avenue West, Caotang science and technology industry base, high tech Zone, Xi'an City, Shaanxi Province Patentee before: Shaanxi Arnold Precision Cutting Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right |