CN113732329A - PCBN blade subassembly with high temperature resistance tool bit - Google Patents
PCBN blade subassembly with high temperature resistance tool bit Download PDFInfo
- Publication number
- CN113732329A CN113732329A CN202111157112.4A CN202111157112A CN113732329A CN 113732329 A CN113732329 A CN 113732329A CN 202111157112 A CN202111157112 A CN 202111157112A CN 113732329 A CN113732329 A CN 113732329A
- Authority
- CN
- China
- Prior art keywords
- blade
- plane
- cutter head
- high temperature
- cutter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- GJNGXPDXRVXSEH-UHFFFAOYSA-N 4-chlorobenzonitrile Chemical compound ClC1=CC=C(C#N)C=C1 GJNGXPDXRVXSEH-UHFFFAOYSA-N 0.000 title claims abstract 10
- 238000005520 cutting process Methods 0.000 claims abstract description 21
- 230000000903 blocking effect Effects 0.000 claims abstract description 18
- 230000006835 compression Effects 0.000 claims abstract description 14
- 238000007906 compression Methods 0.000 claims abstract description 14
- 230000000149 penetrating effect Effects 0.000 claims abstract description 9
- 230000017525 heat dissipation Effects 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 8
- 238000000576 coating method Methods 0.000 claims abstract description 6
- 238000003825 pressing Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract description 5
- 239000011248 coating agent Substances 0.000 abstract description 3
- 230000006378 damage Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000005260 corrosion Methods 0.000 abstract description 2
- 239000000956 alloy Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 229910052582 BN Inorganic materials 0.000 description 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
- B23B27/10—Cutting tools with special provision for cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
- B23B27/14—Cutting tools of which the bits or tips or cutting inserts are of special material
- B23B27/16—Cutting tools of which the bits or tips or cutting inserts are of special material with exchangeable cutting bits or cutting inserts, e.g. able to be clamped
- B23B27/1625—Cutting tools of which the bits or tips or cutting inserts are of special material with exchangeable cutting bits or cutting inserts, e.g. able to be clamped with plate-like cutting inserts of special shape clamped by a clamping member acting almost perpendicularly on the chip-forming plane
Abstract
The invention discloses a PCBN blade assembly with a high-temperature-resistant cutter head, which comprises a cutter bar and a blade. The invention has the beneficial effects that: according to the invention, the chip blocking plate, the chip blocking surface and the chip groove are arranged, so that the centralized treatment of the chips is facilitated, the chips are prevented from being accumulated on the surface of the blade to influence the blade, the surface of the blade is provided with the heat dissipation holes in a penetrating manner, the heat dissipation of the blade is facilitated, and the damage to the blade caused by high temperature is avoided; through setting up compression spring, support piece, fastening swivel nut, fastening bolt and anti-skidding rubber pad, utilize the mutually supporting between it, can be so that the blade is connected more tightly between the tool bit, take place not hard up when avoiding using, and cutter arbor, tool bit and cutting edge all adopt high temperature resistant material to make, are convenient for improve its life, and the surface utensil of cutter arbor, tool bit and cutting edge is provided with anti rust coating, is convenient for improve its anti-corrosion ability.
Description
Technical Field
The invention relates to a PCBN blade, in particular to a PCBN blade assembly with a high-temperature-resistant tool bit, and belongs to the technical field of tools.
Background
The PCBN (polycrystalline cubic boron nitride) cutter with excellent cutting performance is widely applied to the field of cutting and machining of high-hardness materials and difficult-to-machine materials, the service life of the PCBN cutter is 3 times that of a common alloy cutter, and the linear speed during cutting can reach more than 2 times that of a conventional alloy cutter. Although the PCBN cutter has significant advantages in terms of cutter life and machining efficiency, the price of a common single-edged PCBN cutter is 4 times or more higher than that of a common single-edged alloy cutter due to severe manufacturing conditions and expensive raw materials, and since the PCBN cutter has superior performance but is expensive, a used old cutter is usually ground and then reused.
There are some problems in the use of current PCBN cutter:
1) most of the existing PCBN cutters are only provided with chip breakers, and as the cutting speed is increased, the basic edge shape of chips is reduced, the chip coiling diameter is increased, and the chip breaking effect is poor; when the cutting depth is increased, the cutting is difficult;
2) the existing PCBN cutter is mostly integral, the blade and the cutter head cannot be separated, after the cutter is used for a long time, the blade is seriously abraded, the cutter head is often communicated to replace together, the use cost is increased, the existing PCBN cutter is easy to rust, and the service life is shortened.
Disclosure of Invention
It is an object of the present invention to provide a PCBN blade assembly with a high temperature resistant cutter head in order to solve the above problems.
The invention realizes the purpose through the following technical scheme: comprises that
The lower end of the cutter bar is fixedly provided with a cutter head, and the surface of one side of the cutter head is provided with an installation groove;
the surface of the blade is provided with a mounting hole in a penetrating mode, a fastening bolt is arranged in the mounting hole in a threaded mode, and the blade is connected with the cutter head through the matching effect of the mounting hole and the fastening bolt.
As a still further scheme of the invention: the cutter head is provided with a chip blocking plate, and the chip blocking plate is arranged in a direction which forms a certain included angle with the cutter blade.
As a still further scheme of the invention: the mounting groove is characterized in that three compression springs are arranged on the bottom wall of the mounting groove, pressing blocks are fixedly connected to the upper ends of the compression springs, and every two compression springs are provided with fastening thread sleeves fixedly connected to the bottom wall of the mounting groove.
As a still further scheme of the invention: and an anti-skid rubber pad is arranged between the blade and the pressing block.
As a still further scheme of the invention: the outer side of the blade is provided with a cutting edge, the end part of the blade is provided with a chip groove, the rear side of the blade, which is positioned on the chip groove, is provided with a chip blocking surface, and the chip blocking surface comprises a first plane, a second plane, a third plane and a fourth plane; the first plane, the second plane, the third plane and the fourth plane are sequentially connected at a certain angle; the first plane and the fourth plane are symmetrically arranged along the central line of the isosceles triangle; the second plane and the third plane are symmetrically arranged along the central line of the isosceles triangle.
As a still further scheme of the invention: the surface of the blade is provided with heat dissipation holes in a penetrating mode.
As a still further scheme of the invention: the cutter bar, the cutter head and the cutting edge are all made of high-temperature resistant materials.
As a still further scheme of the invention: and the surfaces of the cutter bar, the cutter head and the cutting edge are provided with anti-rust coatings.
The invention has the beneficial effects that:
1) according to the invention, the chip blocking plate, the chip blocking surface and the chip containing grooves are arranged, so that the centralized treatment of the chips is facilitated, the chips are prevented from being accumulated on the surface of the blade to influence the blade, the surface of the blade is provided with the heat dissipation holes in a penetrating manner, the heat dissipation of the blade is facilitated, and the damage to the blade caused by high temperature is avoided;
2) through setting up compression spring, support the briquetting, fastening swivel nut, fastening bolt and anti-skidding rubber pad, utilize the mutually supporting between it, can be so that the blade is connected more tightly with being connected between the tool bit, take place not hard up when avoiding using, and cutter arbor, tool bit and cutting edge all adopt high temperature resistant material to make, are convenient for improve its life, and the surface utensil of cutter arbor, tool bit and cutting edge is provided with anti rust coating, is convenient for improve its anti-corrosion ability.
Drawings
FIG. 1 is a schematic view of a PCBN blade structure of the present invention;
FIG. 2 is a schematic view of a disassembled PCBN blade assembly of the present invention;
FIG. 3 is a schematic view of a PCBN blade assembly attachment structure of the present invention;
fig. 4 is a schematic diagram of a top-view structure in fig. 3.
In the figure: 1. the cutter comprises a cutter bar, 2, a cutter head, 3, a blade, 4, a scrap blocking plate, 5, a mounting groove, 6, a compression spring, 7, a pressing block, 8, a fastening screw sleeve, 9, an anti-skidding rubber pad, 10, a fastening bolt, 11, a mounting hole, 12, a heat dissipation hole, 13, a cutting edge, 14, a chip groove, 15, a scrap blocking surface, 16, a first plane, 17, a second plane, 18, a third plane, 19 and a fourth plane.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to FIGS. 1-4, a PCBN blade assembly with a high temperature resistant tool tip includes
The cutter comprises a cutter bar 1, a cutter head 2 is fixedly arranged at the lower end of the cutter bar 1, and an installation groove 5 is formed in the surface of one side of the cutter head 2;
the surface of the blade 3 is provided with a mounting hole 11 in a penetrating manner, a fastening bolt 10 is arranged in the mounting hole 11 in a threaded manner, and the blade is connected with the cutter head 2 through the matching action of the mounting hole 11 and the fastening bolt 10.
In the embodiment of the invention, the cutter head 2 is provided with the chip blocking plate 4, and the chip blocking plate 4 is arranged in a certain included angle with the blade 3, so that the situation that the generated waste chips enter a machine tool to cause the machine tool to be incapable of being used continuously during machining and use is conveniently prevented.
In the embodiment of the present invention, a cutting edge 13 is disposed on an outer side of the blade 3, a chip pocket 14 is disposed at an end portion of the blade 3, and a chip blocking surface 15 is disposed on a rear side of the blade 3 located at the chip pocket 14, where the chip blocking surface 15 includes a first plane 16, a second plane 17, a third plane 18, and a fourth plane 19; the first plane 16, the second plane 17, the third plane 18 and the fourth plane 19 are sequentially connected at a certain angle; the first plane 16 and the fourth plane 19 are symmetrically arranged along the central line of the isosceles triangle; the second plane 17 and the third plane 18 are symmetrically arranged along the center line of the isosceles triangle, so that the waste scraps can be conveniently treated in a centralized manner, and the influence of the waste scraps accumulated on the surface of the blade 3 on the surface is avoided.
In the embodiment of the invention, the cutter bar 1, the cutter head 2 and the cutting edge 3 are all made of high-temperature resistant materials, so that the service life of the cutter bar is conveniently prolonged.
Example two
Referring to FIGS. 1-4, a PCBN blade assembly with a high temperature resistant tool tip includes
The cutter comprises a cutter bar 1, a cutter head 2 is fixedly arranged at the lower end of the cutter bar 1, and an installation groove 5 is formed in the surface of one side of the cutter head 2;
the surface of the blade 3 is provided with a mounting hole 11 in a penetrating manner, a fastening bolt 10 is arranged in the mounting hole 11 in a threaded manner, and the blade is connected with the cutter head 2 through the matching action of the mounting hole 11 and the fastening bolt 10.
In the embodiment of the invention, three compression springs 6 are arranged on the bottom wall of the mounting groove 5, the upper ends of the compression springs 6 are fixedly connected with the pressing blocks 7, a fastening threaded sleeve 8 fixedly connected on the bottom wall of the mounting groove 5 is arranged between every two compression springs 6, and the blade 3 is fixed by the elastic force of the compression springs 6 and the fastening force of the fastening bolt 10.
In the embodiment of the invention, the anti-skid rubber pad 9 is arranged between the blade 3 and the pressing block 7, so that the blade 3 and the pressing block 7 are prevented from being directly contacted to cause abrasion, and the service life of the blade 3 is shortened.
In the embodiment of the invention, the heat dissipation holes 12 are formed in the surface of the blade 3 in a penetrating manner, so that the blade 3 is conveniently dissipated, and the blade 3 is prevented from being damaged by high temperature.
In the embodiment of the invention, the surfaces of the cutter bar 1, the cutter head 2 and the cutting edge 3 are provided with antirust coatings, so that the anti-rusting capability of the cutter bar is improved conveniently.
The working principle is as follows: when using this kind of PCBN blade subassembly with high temperature resistance tool bit, at first pass through compression spring 6 with blade 3, support briquetting 7, fastening swivel nut 8, mutually support between fastening bolt 10 and the anti-skidding rubber pad 9, can make the connection between blade 3 and the tool bit 2 more firm, take place not hard up when avoiding using, in the use, the sweeps that produces is through the fender bits board 4 that sets up, keep off bits face 15 and chip groove 14 and carry out centralized processing, avoid the sweeps to pile up and cause the influence at the surface of blade 3 to it, the louvre that sets up is run through on the surface of blade 3, be convenient for dispel the heat to blade 3, avoid high temperature to cause the destruction to blade 3, cutter arbor 1, tool bit 2 and cutting edge 3 all adopt high temperature resistant material to make, and its surface all is provided with anti rust coating, be convenient for improve its life.
It will be clear to a person skilled in the art that the present invention is not limited to the details of the exemplary embodiments presented above, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description of the embodiments is for clarity only, and those skilled in the art should make the description as a whole, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. A PCBN blade subassembly with high temperature resistance tool bit, characterized by, include
The lower end of the cutter bar (1) is fixedly provided with a cutter head (2), and the surface of one side of the cutter head (2) is provided with an installation groove (5);
the surface of the blade (3) is provided with a mounting hole (11) in a penetrating mode, a fastening bolt (10) is arranged in the mounting hole (11) in a threaded mode, and the blade is connected with the cutter head (2) through the matching effect of the mounting hole (11) and the fastening bolt (10).
2. A PCBN blade assembly with a high temperature resistant cutter head as claimed in claim 1, in which: the cutter head (2) is provided with a chip blocking plate (4), and the chip blocking plate (4) and the cutter blade (3) form a certain included angle in the arrangement direction.
3. A PCBN blade assembly with a high temperature resistant cutter head as claimed in claim 1, in which: be provided with three compression spring (6) on the diapire of mounting groove (5), just the equal rigid coupling in upper end of compression spring (6) has support block (7), per two be provided with fastening swivel nut (8) of rigid coupling on mounting groove (5) diapire between compression spring (6).
4. A PCBN blade assembly with a high temperature resistant cutter head as claimed in claim 1, in which: an anti-skid rubber pad (9) is arranged between the blade (3) and the pressing block (7).
5. A PCBN blade assembly with a high temperature resistant cutter head as claimed in claim 1, in which: a cutting edge (13) is arranged on the outer side of the blade (3), a chip groove (14) is formed in the end portion of the blade, a chip blocking surface (15) is arranged on the rear side, located on the chip groove (14), of the blade (3), and the chip blocking surface (15) comprises a first plane (16), a second plane (17), a third plane (18) and a fourth plane (19); the first plane (16), the second plane (17), the third plane (18) and the fourth plane (19) are sequentially connected at a certain angle; the first plane (16) and the fourth plane (19) are symmetrically arranged along the middle line of the isosceles triangle; the second plane (17) and the third plane (18) are symmetrically arranged along the middle line of the isosceles triangle.
6. A PCBN blade assembly with a high temperature resistant cutter head as claimed in claim 1, in which: the surface of the blade (3) is provided with heat dissipation holes (12) in a penetrating manner.
7. A PCBN blade assembly with a high temperature resistant cutter head as claimed in claim 1, in which: the cutter bar (1), the cutter head (2) and the cutting edge (3) are all made of high-temperature-resistant materials.
8. A PCBN blade assembly with a high temperature resistant cutter head as claimed in claim 1, in which: the surfaces of the cutter bar (1), the cutter head (2) and the cutting edge (3) are provided with antirust coatings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111157112.4A CN113732329A (en) | 2021-09-30 | 2021-09-30 | PCBN blade subassembly with high temperature resistance tool bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111157112.4A CN113732329A (en) | 2021-09-30 | 2021-09-30 | PCBN blade subassembly with high temperature resistance tool bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113732329A true CN113732329A (en) | 2021-12-03 |
Family
ID=78741954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111157112.4A Pending CN113732329A (en) | 2021-09-30 | 2021-09-30 | PCBN blade subassembly with high temperature resistance tool bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113732329A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07237009A (en) * | 1994-02-28 | 1995-09-12 | Mitsubishi Materials Corp | Cutting tool |
| CN206997801U (en) * | 2017-06-22 | 2018-02-13 | 广州嘉锐通机电设备有限公司 | A kind of lathe tools |
| CN207239182U (en) * | 2017-10-17 | 2018-04-17 | 郑州华菱超硬材料有限公司 | A kind of hardened steel with can interrupted cut deep trouth cubic boron nitride cutting tool |
| CN108145188A (en) * | 2017-12-25 | 2018-06-12 | 陈豪 | A kind of rapid lathe tool of cooling |
| CN208322152U (en) * | 2018-05-24 | 2019-01-04 | 洛阳市速奈精密工具有限公司 | One kind being convenient for chip removal PCBN cutter |
| US20190168315A1 (en) * | 2016-06-02 | 2019-06-06 | Guehring Kg | Rotary tool having exchangeable cutting inserts and tool main-body set for a rotary tool |
| CN209349533U (en) * | 2018-12-27 | 2019-09-06 | 上海工程技术大学 | A kind of indexable turning tool |
| CN210435393U (en) * | 2019-08-19 | 2020-05-01 | 北京沃尔德金刚石工具股份有限公司 | PCBN cutter with chip breaker groove |
| CN213944937U (en) * | 2020-11-18 | 2021-08-13 | 江苏伊斯达尔精密科技有限公司 | Impact-resistant polycrystalline cubic boron nitride cutter |
| CN214079309U (en) * | 2020-12-30 | 2021-08-31 | 百达福美智能科技(江苏)有限公司 | Cutting triangular assembled turning blade |
-
2021
- 2021-09-30 CN CN202111157112.4A patent/CN113732329A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07237009A (en) * | 1994-02-28 | 1995-09-12 | Mitsubishi Materials Corp | Cutting tool |
| US20190168315A1 (en) * | 2016-06-02 | 2019-06-06 | Guehring Kg | Rotary tool having exchangeable cutting inserts and tool main-body set for a rotary tool |
| CN206997801U (en) * | 2017-06-22 | 2018-02-13 | 广州嘉锐通机电设备有限公司 | A kind of lathe tools |
| CN207239182U (en) * | 2017-10-17 | 2018-04-17 | 郑州华菱超硬材料有限公司 | A kind of hardened steel with can interrupted cut deep trouth cubic boron nitride cutting tool |
| CN108145188A (en) * | 2017-12-25 | 2018-06-12 | 陈豪 | A kind of rapid lathe tool of cooling |
| CN208322152U (en) * | 2018-05-24 | 2019-01-04 | 洛阳市速奈精密工具有限公司 | One kind being convenient for chip removal PCBN cutter |
| CN209349533U (en) * | 2018-12-27 | 2019-09-06 | 上海工程技术大学 | A kind of indexable turning tool |
| CN210435393U (en) * | 2019-08-19 | 2020-05-01 | 北京沃尔德金刚石工具股份有限公司 | PCBN cutter with chip breaker groove |
| CN213944937U (en) * | 2020-11-18 | 2021-08-13 | 江苏伊斯达尔精密科技有限公司 | Impact-resistant polycrystalline cubic boron nitride cutter |
| CN214079309U (en) * | 2020-12-30 | 2021-08-31 | 百达福美智能科技(江苏)有限公司 | Cutting triangular assembled turning blade |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211203 |
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| RJ01 | Rejection of invention patent application after publication |