CN115647407A - Square 35-degree outer chamfering tool - Google Patents
Square 35-degree outer chamfering tool Download PDFInfo
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- CN115647407A CN115647407A CN202211089499.9A CN202211089499A CN115647407A CN 115647407 A CN115647407 A CN 115647407A CN 202211089499 A CN202211089499 A CN 202211089499A CN 115647407 A CN115647407 A CN 115647407A
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- chamfer
- chip
- square
- groove
- inlet
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- 239000011248 coating agent Substances 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 8
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 238000005498 polishing Methods 0.000 claims description 4
- 238000003754 machining Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
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Abstract
The invention discloses a square 35-degree outer chamfer cutter, which particularly relates to the technical field of chamfer cutters and comprises a chamfer cutter body, wherein four corners of the chamfer cutter body are all set to chamfer blades, four chip discharge grooves are sequentially formed in the front surface of the chamfer cutter body, each chip discharge groove is positioned on the oblique side edge corresponding to the chamfer blade, one end of each chip discharge groove is a chip inlet, the other end of each chip discharge groove is a chip outlet, one side of each chamfer blade is set to be a chamfer working surface, and the top of each chamfer working surface is communicated with a port corresponding to the chip inlet. This design is convenient for current outer chamfer sword of squareness degree can carry out quick chip removal with the help of the chip groove to avoid the sweeps to pile up between work piece and chamfer sword, avoid influencing the chamfer sword body and dispel the heat, be convenient for simultaneously in time discharge the sweeps, protection chamfer sword body that can be better avoids the chamfer edge to collapse.
Description
Technical Field
The invention relates to the technical field of chamfering tools, in particular to a square 35-degree outer chamfering tool.
Background
The chamfer cutter is a cutter which is assembled on machine tools such as a milling machine, a drilling machine, a machining center machine, an electric hand drill, a chamfering machine and the like, is used for machining 60-degree 52-degree 90-degree 110-degree and 120-degree chamfers of a workpiece and machining countersunk sockets of screws on a taper hole workpiece and chamfering edges, and belongs to an end mill. The chamfering tool is also called as a chamfering device and the chamfering drill has different calling laws in different places. The chamfering tool has wide application range, is suitable for chamfering of common mechanical workpieces, and is more suitable for chamfering and deburring countersunk sockets and countersunk holes of precise workpieces with difficult chamfer angles, and the chamfering tool is divided into three-edge type, single-edge type, round-hole type, inclined-hole type and other types.
At present, when some square chamfering tools process workpieces, a large amount of spiral or block-shaped waste chips are generated due to high-speed rotation of the chamfering tools, and the existing square chamfering tools are not provided with corresponding chip discharge grooves, so that the waste chips are easily accumulated between the workpieces and the chamfering tools, a large amount of heat is easily dissipated, and simultaneously, the waste chips cannot be discharged in time and the cutting edge is easily broken, so that the square 35-degree outer chamfering tool is provided,
disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a square 35-degree external chamfer cutter with a chip removal function.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides an outer chamfer sword of 35 degrees in square, includes the chamfer sword body, four corners of chamfer sword body all set up to the chamfer sword, four chip grooves have been seted up in proper order in the front of chamfer sword body, and every chip groove is located the oblique side that corresponds the chamfer sword, every the one end of chip groove is for advancing the bits mouth, and the other end is the chip outlet, every one side of chamfer sword all sets up to chamfer working face, every the top of chamfer working face communicates with each other with the port that corresponds into the bits mouth.
As a preferable technical solution of the present invention, the inside of each flute is polished by a polishing machine.
As a preferable technical scheme of the invention, the height of each chamfer edge from the side far away from the chip groove to the side close to the chip groove is gradually reduced, and the included angle between the highest point and the lowest point is 10 degrees.
As a preferable technical scheme of the invention, the outer surface of each chamfer working surface is provided with a titanium nitride coating.
As a preferable technical scheme of the invention, the inner part of each chip groove is gradually enlarged from the chip inlet to the chip outlet, the arc radius of the chip inlet is 12R, the arc radius of the chip outlet is 18R, a certain inclined slope is formed from the chip inlet to the chip outlet, and the inclined slope is 8 degrees from the chip inlet to the chip outlet.
As a preferable technical scheme of the invention, the chip inlet on each chip groove is opposite to but not communicated with the chip outlet on the adjacent chip groove, and the four chip grooves are arranged to form a rectangle.
As a preferable technical scheme of the present invention, the chamfer cutter body, the chamfer blade and the chip groove are integrally formed.
As a preferable technical scheme of the invention, the chamfer cutter body is arranged on the cutter handle in an angle of 35 degrees.
As a preferred technical scheme of the invention, the chip removal process of connecting the chip inlet and the chip outlet on the four chip removal grooves is clockwise chip removal, the chamfer cutter body rotates anticlockwise, and the chamfer is performed by utilizing the chamfer working surface.
Compared with the prior art, the invention can achieve the following beneficial effects:
1. the chamfering tool body is used for chamfering the chamfering edge, wherein the chamfering working face is used for chamfering a workpiece, scraps are generated at the moment, the scraps are just generated from the chamfering working face, enter a scrap inlet of a scrap discharge groove and then exit from a scrap outlet, the arc radiuses from the scrap inlet to the scrap outlet are sequentially increased, meanwhile, the scrap inlet to the scrap outlet have a certain gradient, the smaller scrap inlet can effectively facilitate the scraps to be quickly formed along the scrap discharge groove, and the larger scrap outlet can effectively facilitate the scraps to be discharged along the scrap discharge groove, so that the existing quadrangular outer chamfering tool can quickly discharge the scraps by means of the scrap discharge groove, the scraps are prevented from being accumulated between the workpiece and the chamfering tool, the influence on the heat dissipation of the chamfering tool body is avoided, the scraps are convenient to be discharged in time, the chamfering tool body can be well protected, and the chamfering edge is prevented from being damaged;
2. the titanium nitride coating is coated on the chamfer working surface, and the coated titanium nitride coating is a universal PVD coating, so that the hardness of the chamfer edge can be improved, the oxidation temperature is high, and the service life of the whole chamfer cutter body is greatly prolonged.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a side view of the present invention.
Fig. 3 is a top view of the present invention.
Wherein: 1. a chamfer cutter body; 2. chamfering edges; 3. chamfering the working surface; 4. a chip groove; 5. a chip inlet; 6. a chip outlet.
Detailed Description
As shown in fig. 1-3, a square 35-degree external chamfer cutter comprises a chamfer cutter body 1, four corners of the chamfer cutter body 1 are all provided with chamfer blades 2, four chip discharge slots 4 are sequentially formed in the front surface of the chamfer cutter body 1, each chip discharge slot 4 is positioned on an oblique side edge corresponding to the chamfer blade 2, one end of each chip discharge slot 4 is provided with a chip inlet 5, the other end of each chip discharge slot 4 is provided with a chip outlet 6, one side of each chamfer blade 2 is provided with a chamfer working surface 3, and the top of each chamfer working surface 3 is communicated with a port corresponding to the chip inlet 5; the inner part of each chip groove 4 is gradually enlarged from the chip inlet 5 to the chip outlet 6, the arc radius of the chip inlet 5 is 12R, the arc radius of the chip outlet 6 is 18R, the inner part from the chip inlet 5 to the chip outlet 6 has a certain inclination, and the inclination of the inner part from the chip inlet 5 to the chip outlet 6 is 8 degrees; when the chamfer cutter body 1 enables the chamfer blade 2 to chamfer, wherein the chamfer working surface 3 chamfers a workpiece, scraps can be generated at the moment, and the scraps just generated from the chamfer working surface 3 can be twisted and spiraled and can be attached to the front surface of the chamfer cutter body 1, so as to enter the scrap inlet 5 of the scrap discharge groove 4 and then go out from the scrap outlet 6, wherein the arc radii from the scrap inlet 5 to the scrap outlet 6 are sequentially increased, specifically from 12R to 18R, and meanwhile, the inner inclined gradient from the scrap inlet 5 to the scrap outlet 6 is 8 degrees, namely, the scrap inlet 5 to the scrap outlet 6 have a certain gradient, the smaller scrap inlet 5 can effectively facilitate quick forming of the scraps along the scrap discharge groove 4, so that the scraps cannot be accurately discharged along the scrap discharge groove 4, the larger scrap outlet 6 can effectively facilitate discharging of the formed scraps along the scrap discharge groove 4, the design facilitates quick discharging of the conventional four-square 35-degree outer cutter by means of the scrap discharge groove 4, thereby avoiding the scraps from being discharged between the chamfer cutter body and the chamfer cutter body, and avoiding the influence on the heat dissipation of the chamfer cutter body 1, and avoiding the influence on the chip discharge of the chamfer cutter body on the chamfer cutter body, and at the chamfer cutter body, and avoiding the scrap discharge of the better in time.
The interior of each chip groove 4 is polished by a polishing machine; the chip removal groove 4 polished by polishing is more beneficial to the chip removal groove 4 to remove chips, and the problem that the chip removal groove 4 is not smooth enough to cause unsmooth chip removal is avoided.
The height of each chamfer edge 2 from one side far away from the chip groove 4 to one side close to the chip groove 4 is gradually reduced, and the included angle between the highest point and the lowest point is 10 degrees; as shown in fig. 1 and 2, the chamfer edge 2 has a certain gradient from the side far away from the chip groove 4 to the side close to the chip groove 4, and the included angle between the highest point and the lowest point is 10 degrees, which is more favorable for guiding the waste chips into the chip groove 4, thereby being favorable for chip removal.
The outer surface of each chamfer working surface 3 is provided with a titanium nitride coating; the titanium nitride coating is a general PVD coating, can improve the hardness of the chamfering edge 2 and has a high oxidation temperature, and therefore the service life of the whole chamfering tool body 1 is greatly prolonged.
The chip inlet 5 on each chip groove 4 is opposite to but not communicated with the chip outlet 6 on the adjacent chip groove 4, and the four chip grooves 4 are arranged to form a rectangle; as shown in fig. 1 and 3, the four chip removal grooves 4 arranged in a rectangular shape are beneficial to better removing chips when the chamfer edges 2 on the four corresponding chamfer cutter bodies 1 are chamfered.
The chamfer cutter body 1, the chamfer blade 2 and the chip groove 4 are integrally formed; this chamfer sword body 1 primary model of moulding through pouring the mould, reachs this chamfer sword body 1, integrated into one piece's chamfer sword body 1 through rough machining and finish machining afterwards for whole chamfer sword body 1 has good structural stability, and life is longer.
The chamfer cutter body 1 is arranged on the cutter handle in a 35-degree mode; the chamfer cutter body 1 is arranged on the cutter handle in a 35-degree mode through the existing chamfer cutter fixing means, so that the square 35-degree outer chamfer cutter is realized, the fixing means is the prior art, is a conventional technical means, or can be obtained from the prior art, and therefore the details are not repeated.
The chip removal process of connecting the chip inlet 5 and the chip outlet 6 on the four chip removal grooves 4 is clockwise chip removal, the chamfer cutter body 1 rotates anticlockwise, and chamfering is carried out by utilizing the chamfer working face 3; when the chamfer cutter body 1 rotates anticlockwise, chamfering work can be carried out through the chamfer working face 3, scraps can be generated at the moment and are discharged from the scrap inlet 5 to the scrap outlet 6, and when the four chamfer cutter bodies 1 rotate anticlockwise, the scrap discharge states of the four scrap discharge grooves 4 are clockwise scrap discharge.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The foregoing shows and describes the general principles, principal features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides a four square 35 degrees outer chamfer sword, includes chamfer sword body (1), its characterized in that: four corners of chamfer sword body (1) all set up to chamfer sword (2), four chip grooves (4) have been seted up in proper order in the front of chamfer sword body (1), and every chip groove (4) are located the oblique side that corresponds chamfer sword (2), every the one end of chip groove (4) is for entering bits mouth (5), and the other end is chip outlet (6), every one side of chamfer sword (2) all sets up to chamfer working face (3), every the top of chamfer working face (3) communicates with each other with the port that corresponds into bits mouth (5).
2. The square 35-degree external chamfer cutter according to claim 1, wherein: the interior of each chip groove (4) is ground and polished by a polishing machine.
3. The square 35-degree external chamfer cutter according to claim 1, wherein: the height of each chamfer edge (2) from one side far away from the chip groove (4) to one side close to the chip groove (4) is gradually reduced, and the included angle between the highest point and the lowest point is 10 degrees.
4. The square 35-degree external chamfer cutter according to claim 1, wherein: the outer surface of each chamfer working surface (3) is provided with a titanium nitride coating.
5. The square 35-degree external chamfer cutter according to claim 1, wherein: every chip groove (4) inside is expanded gradually from chip inlet (5) to chip outlet (6), the arc radius of chip inlet (5) is 12R, the arc radius of chip outlet (6) is 18R, chip inlet (5) is certain slope to chip outlet (6) inside, chip inlet (5) is 8 degrees to chip outlet (6) inside slope.
6. The square 35-degree external chamfer cutter according to claim 1, wherein: the chip inlet (5) on each chip groove (4) is opposite to but not communicated with the chip outlet (6) on the adjacent chip groove (4), and the four chip grooves (4) are arranged to form a rectangle.
7. The square 35-degree external chamfer cutter according to claim 1, wherein: the chamfering tool comprises a chamfering tool body (1), a chamfering blade (2) and a chip groove (4) which are integrally formed.
8. The square 35-degree external chamfer cutter according to claim 1, wherein: the chamfer cutter body (1) is arranged on the cutter handle in a 35-degree mode.
9. The square 35-degree external chamfer cutter according to claim 6, wherein: four chip removal process that chip inlet (5) and chip outlet (6) on chip groove (4) link up is clockwise chip removal, chamfer sword body (1) is anticlockwise rotation, utilizes chamfer working face (3) to carry out the chamfer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211089499.9A CN115647407A (en) | 2022-09-07 | 2022-09-07 | Square 35-degree outer chamfering tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211089499.9A CN115647407A (en) | 2022-09-07 | 2022-09-07 | Square 35-degree outer chamfering tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115647407A true CN115647407A (en) | 2023-01-31 |
Family
ID=84983439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211089499.9A Pending CN115647407A (en) | 2022-09-07 | 2022-09-07 | Square 35-degree outer chamfering tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115647407A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101658952A (en) * | 2009-09-07 | 2010-03-03 | 瑞鹄汽车模具有限公司 | Car mold platen groove chamfer cutter |
| CN107199361A (en) * | 2016-03-16 | 2017-09-26 | 四平博尔特工艺装备有限公司 | Chamfer drill |
| CN107790799A (en) * | 2017-11-23 | 2018-03-13 | 浙江辛子精工机械股份有限公司 | A kind of non-eccentricity formula through hole double-side rounding cutter tool and the chamfer angle technique using the chamfering tool |
| CN208728818U (en) * | 2018-09-04 | 2019-04-12 | 中山市鑫博雅斯精密刀具有限公司 | Forming reamer |
| CN109894637A (en) * | 2019-03-13 | 2019-06-18 | 慈溪市精恒机械有限公司 | A kind of bearing Special chamfering blade and knife bar |
| CN209867386U (en) * | 2019-03-13 | 2019-12-31 | 慈溪市精恒机械有限公司 | Special chamfer blade and cutter arbor of bearing |
| CN210702768U (en) * | 2019-03-01 | 2020-06-09 | 深圳市东方碳素实业有限公司 | Milling cutter for machining graphite workpiece |
| CN211413682U (en) * | 2019-12-30 | 2020-09-04 | 力锋精密工具（浙江）有限公司 | Narrow-groove large-cutting-depth blade |
| CN211413670U (en) * | 2019-12-11 | 2020-09-04 | 无锡仓佑汽车配件有限公司 | Triangular chip removal lathe tool |
| CN113924181A (en) * | 2019-07-11 | 2022-01-11 | 森拉天时奥地利有限公司 | Double-sided cutting insert for milling |
| CN216828697U (en) * | 2021-12-29 | 2022-06-28 | 江苏伊斯达尔精密科技有限公司 | Triangular channel groove cutter convenient for chip removal |
-
2022
- 2022-09-07 CN CN202211089499.9A patent/CN115647407A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101658952A (en) * | 2009-09-07 | 2010-03-03 | 瑞鹄汽车模具有限公司 | Car mold platen groove chamfer cutter |
| CN107199361A (en) * | 2016-03-16 | 2017-09-26 | 四平博尔特工艺装备有限公司 | Chamfer drill |
| CN107790799A (en) * | 2017-11-23 | 2018-03-13 | 浙江辛子精工机械股份有限公司 | A kind of non-eccentricity formula through hole double-side rounding cutter tool and the chamfer angle technique using the chamfering tool |
| CN208728818U (en) * | 2018-09-04 | 2019-04-12 | 中山市鑫博雅斯精密刀具有限公司 | Forming reamer |
| CN210702768U (en) * | 2019-03-01 | 2020-06-09 | 深圳市东方碳素实业有限公司 | Milling cutter for machining graphite workpiece |
| CN109894637A (en) * | 2019-03-13 | 2019-06-18 | 慈溪市精恒机械有限公司 | A kind of bearing Special chamfering blade and knife bar |
| CN209867386U (en) * | 2019-03-13 | 2019-12-31 | 慈溪市精恒机械有限公司 | Special chamfer blade and cutter arbor of bearing |
| CN113924181A (en) * | 2019-07-11 | 2022-01-11 | 森拉天时奥地利有限公司 | Double-sided cutting insert for milling |
| CN211413670U (en) * | 2019-12-11 | 2020-09-04 | 无锡仓佑汽车配件有限公司 | Triangular chip removal lathe tool |
| CN211413682U (en) * | 2019-12-30 | 2020-09-04 | 力锋精密工具（浙江）有限公司 | Narrow-groove large-cutting-depth blade |
| CN216828697U (en) * | 2021-12-29 | 2022-06-28 | 江苏伊斯达尔精密科技有限公司 | Triangular channel groove cutter convenient for chip removal |
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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: 20230131 |
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| RJ01 | Rejection of invention patent application after publication |