CN103737090B - A kind of fine finishining rotary cutting tool - Google Patents
A kind of fine finishining rotary cutting tool Download PDFInfo
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- CN103737090B CN103737090B CN201310743121.0A CN201310743121A CN103737090B CN 103737090 B CN103737090 B CN 103737090B CN 201310743121 A CN201310743121 A CN 201310743121A CN 103737090 B CN103737090 B CN 103737090B
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Abstract
The invention discloses a kind of fine finishining rotary cutting tool, comprise cutter hub, described cutter hub is provided with at least one group of cutter groove, the first cutting tip and the second cutting tip is fixed with by securing member in described cutter groove, described first cutting tip is pressed on the second cutting tip, described second cutting tip is pressed on cutter groove, described first cutting tip is provided with the first side cut sword, described second cutting tip is provided with corresponding with the first side cut sword position, for the second side cut sword of lead antivibration and smoothing, described second side cut sword is parallel with the rotary middle spindle of described cutter hub.This fine finishining rotary cutting tool has that structure is simple, antivibration and smoothing is effective, suface processing quality is high advantage.
Description
Technical field
The present invention relates to a kind of metal cutting tool, particularly relate to fine finishining rotary cutting tool.
Background technology
Rotate class cutting tool in cutting process, due to the existence of the various cutting angle of rotary cutting tool and manufacture, rigging error, the cutting edge of rotary cutting tool side is difficult to ensure completely on cylindroid, such cutter is in working angles, processing side is formed by the rotating around rotary cutting tool central shaft of side edge of this cutter, cutting edge due to rotary cutting tool side is comparatively difficult to ensure that card is on the cylinder centered by central shaft, and finished surface perpendicularity is undesirable.Simultaneously, even if the cutting edge of cutting tip can control completely on a fixing cylinder, a kind of cutting tip of structure also can only be used on a certain fixed diameter cutter, along with the change of rotary cutting tool diameter, there is corresponding change in the structural requirement of cutting tip, thus the versatility of cutting tip is very poor.For meeting client's different-diameter technological requirement, needing the cutting tip for client provides many moneys different, greatly improving the management difficulty at use cost, cutter scene, also reduce working (machining) efficiency.In addition, when rotating class cutter at axial feed, processing side is formed by the some spiral rotating of the sword maximum radial of cutting tip, the blade of cutting tip only has and a littlely to contact with finished surface, when rotating class cutter and overhanging larger, very easily vibrate during cutting, it is scarce that cutting vibration can make cutting tip Fast Wearing even collapse, and reduce machined surface quality greatly, and along with cutting the shortening of beat, cutting tip accelerated wear test, machined surface quality declines fast, in order to ensure the service life of machining accuracy and cutting tip, such rotary cutting tool can only be used for working (machining) efficiency and the not high occasion of required precision.
Summary of the invention
The technical problem to be solved in the present invention overcomes the deficiencies in the prior art, provides that a kind of structure is simple, antivibration and smoothing is effective, suface processing quality is high fine finishining rotary cutting tool.
For solving the problems of the technologies described above, the present invention by the following technical solutions:
A kind of fine finishining rotary cutting tool, comprise cutter hub, described cutter hub is provided with at least one group of cutter groove, the first cutting tip and the second cutting tip is fixed with by securing member in described cutter groove, described first cutting tip is pressed on the second cutting tip, described second cutting tip is pressed on cutter groove, described first cutting tip is provided with the first side cut sword, described second cutting tip is provided with corresponding with the first side cut sword position, for the second side cut sword of lead antivibration and smoothing, described second side cut sword is parallel with the rotary middle spindle of described cutter hub.
Further improvement as technique scheme:
The rotary cutting radius of described first side cut sword is greater than the rotary cutting radius of the second side cut sword, and difference is d, 0≤d≤0.05.
The diameter of described indexable rotary cutting tool is D1, and the rear knife face of described second side cut sword is arc surface, and the diameter of described arc surface is D2, D2≤D1.
Described first cutting tip is α relative to the axial inclination of rotary middle spindle, and described first cutting tip is β, α ≠ 0 ° relative to the radial rake of rotary middle spindle, β ≠ 0 °.
Be provided with multiple cooling bath between described first cutting tip and the second cutting tip, described cutter hub is provided with cooling duct, and the second centre bore on the cutting tip of described cooling duct second is communicated with multiple cooling bath.
Described multiple cooling bath is located on the bottom surface of the first cutting tip and/or the end face of the second cutting tip.
Described securing member is arranged with seal, and described securing member is by the first centre bore two ends sealing of seal to the first cutting tip.
Compared with prior art, the invention has the advantages that:
Fine finishining rotary cutting tool of the present invention, adopt the structure of double-deck cutting tip, wherein the second cutting tip be provided with corresponding with the first side cut sword position, for the second side cut sword of lead antivibration and smoothing, and the second side cut sword is parallel with the rotary middle spindle of cutter hub, the rotary cutting tool that this structure makes the second cutting tip of same model be assemblied in different-diameter still can be fitted with cylindricality machined surface completely, can be good at the perpendicularity controlling side machined surface, when effectively eliminating layered cutting, connect tool marks; Simultaneously, second side cut sword contacts with the abundant face of side machined surface, and the vibration produced when effectively suppressing rotary cutting tool to cut, improves the machined surface quality of rotary cutting tool, when rotary cutting tool overhangs larger, higher stock-removing efficiency and good suface processing quality still can be ensured.Be provided with multiple cooling bath between first cutting tip and the second cutting tip, many cooling baths can realize cooling to cutting zone simultaneously, thus realize the cooling completely to cutting zone, improve cutting ability and the working (machining) efficiency of rotary cutting tool.
Accompanying drawing explanation
Fig. 1 is the perspective view of rotary cutting tool first embodiment of the present invention.
Fig. 2 be rotary cutting tool first embodiment of the present invention look up structural representation.
Fig. 3 is the main TV structure schematic diagram of rotary cutting tool first embodiment of the present invention.
Fig. 4 is the A-A sectional view of Fig. 2.
Fig. 5 is the structural representation of the second cutting tip in rotary cutting tool first embodiment of the present invention.
Fig. 6 is the combining structure schematic diagram of two cutting tips in rotary cutting tool first embodiment of the present invention.
Fig. 7 is the perspective view of rotary cutting tool second embodiment of the present invention.
Fig. 8 is the perspective view of cutter hub in rotary cutting tool second embodiment of the present invention.
Fig. 9 be rotary cutting tool second embodiment of the present invention look up structural representation.
Figure 10 is the B-B sectional view of Fig. 9.
In figure, each label represents:
1, cutter hub; 11, cutter groove; 12, rotary middle spindle; 13, cooling duct; 2, cooling bath; 3, the first cutting tip; 31, the first side cut sword; 32, the first centre bore; 4, the second cutting tip; 41, the second side cut sword; 42, the second centre bore; 43, rear knife face; 5, securing member; 6, seal.
Detailed description of the invention
Fig. 1 to Fig. 6 shows the first fine finishining rotary cutting tool embodiment of the present invention, this rotary cutting tool comprises cutter hub 1, this cutter hub 1 is milling cutter body, cutter hub 1 is provided with at least one group of cutter groove 11, the first cutting tip 3 and the second cutting tip 4 is fixed with by securing member 5 in cutter groove 11, first cutting tip 3 is pressed on the second cutting tip 4, second cutting tip 4 is pressed on cutter groove 11, first cutting tip 3 is provided with the first side cut sword 31, second cutting tip 4 is provided with corresponding with the first side cut sword 31 position, for the second side cut sword 41 of lead antivibration and smoothing, second side cut sword 41 is parallel with the rotary middle spindle 12 of cutter hub 1, adopt the structure of double-deck cutting tip, the rotary cutting tool making the second cutting tip 4 of same model be assemblied in different-diameter still can be fitted with cylindricality machined surface completely, can be good at the perpendicularity controlling side machined surface, tool marks are connect during effective elimination layered cutting, simultaneously, second side cut sword contacts with the abundant face of side machined surface, and the vibration produced when effectively suppressing rotary cutting tool to cut, improves the machined surface quality of rotary cutting tool, when rotary cutting tool overhangs larger, higher stock-removing efficiency and good suface processing quality still can be ensured.
Further, the rotary cutting radius of the first side cut sword 31 is greater than the rotary cutting radius of the second side cut sword 41, and difference is d, 0≤d≤0.05, in the present embodiment, and d=0.03.The diameter of indexable rotary cutting tool is D1, and the rear knife face 43 of the second side cut sword 41 is arc surface, and the diameter of this arc surface is D2, D2≤D1.First cutting tip 3 is α relative to the axial inclination of rotary middle spindle 12, and the first cutting tip 3 is β, α ≠ 0 ° relative to the radial rake of rotary middle spindle 12, β ≠ 0 °, in the present embodiment, and α=3 °, β=-6 °.
Further, multiple cooling bath 2 is provided with between first cutting tip 3 and the second cutting tip 4, cutter hub 1 is provided with cooling duct 13, second centre bore 42 of cooling duct 13 on the second cutting tip 4 is communicated with multiple cooling bath 2, multiple cooling bath 2 is located on the bottom surface of the first cutting tip 3 and/or the end face of the second cutting tip 4, in the present embodiment, multiple cooling bath 2 is located on the end face of the second cutting tip 4.Cooling medium can arrive cutting zone by cooling duct 13, cooling bath 2, fully can cool cutting zone, and forms impact to the chip that the second cutting tip 4 produces, and reaches the effect of discharging chip fast; Simultaneously when cooling medium adopts high pressure cooling, chip can be made to fracture fast, thus increase the cutting power of the second cutting tip 4, improve the cutting feeding and cutting load that can bear.Securing member 5 is arranged with seal 6, securing member 5 by the first centre bore 32 two ends sealing of seal 6 to the first cutting tip 3, thus improves high pressure cooling effect.
Fig. 7 to Figure 10 shows the second fine finishining rotary cutting tool embodiment of the present invention, and the present embodiment is substantially identical with the first embodiment, and difference is only: cutter hub 1 of the present invention is drill cutter hub.
Although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention.Any those of ordinary skill in the art, when not departing from technical solution of the present invention scope, can utilize the technology contents of above-mentioned announcement to make many possible variations and modification to technical solution of the present invention, or being revised as the Equivalent embodiments of equivalent variations.Therefore, every content not departing from technical solution of the present invention, according to the technology of the present invention essence to any simple modification made for any of the above embodiments, equivalent variations and modification, all should drop in the scope of technical solution of the present invention protection.
Claims (7)
1. a fine finishining rotary cutting tool, comprise cutter hub (1), described cutter hub (1) is provided with at least one group of cutter groove (11), it is characterized in that: in described cutter groove (11), be fixed with the first cutting tip (3) and the second cutting tip (4) by securing member (5), described first cutting tip (3) is pressed on the second cutting tip (4), described second cutting tip (4) is pressed on cutter groove (11), described first cutting tip (3) is provided with the first side cut sword (31), described second cutting tip (4) is provided with corresponding with the first side cut sword (31) position, for the second side cut sword (41) of lead antivibration and smoothing, described second side cut sword (41) is parallel with the rotary middle spindle (12) of described cutter hub (1).
2. fine finishining rotary cutting tool according to claim 1, is characterized in that: the rotary cutting radius of described first side cut sword (31) is greater than the rotary cutting radius of the second side cut sword (41), and difference is d, 0≤d≤0.05mm.
3. fine finishining rotary cutting tool according to claim 1, it is characterized in that: the diameter of described fine finishining rotary cutting tool is D1, the rear knife face (43) of described second side cut sword (41) is arc surface, and the diameter of described arc surface is D2, D2≤D1.
4. fine finishining rotary cutting tool according to claim 1, it is characterized in that: described first cutting tip (3) is α relative to the axial inclination of rotary middle spindle (12), described first cutting tip (3) is β relative to the radial rake of rotary middle spindle (12), α ≠ 0 °, β ≠ 0 °.
5. fine finishining rotary cutting tool according to any one of claim 1 to 4, it is characterized in that: between described first cutting tip (3) and the second cutting tip (4), be provided with multiple cooling bath (2), described cutter hub (1) is provided with cooling duct (13), and described cooling duct (13) second centre bore (42) on the second cutting tip (4) is communicated with multiple cooling bath (2).
6. fine finishining rotary cutting tool according to claim 5, is characterized in that: described multiple cooling bath (2) is located on the bottom surface of the first cutting tip (3) and/or the end face of the second cutting tip (4).
7. fine finishining rotary cutting tool according to claim 6, it is characterized in that: described securing member (5) is arranged with seal (6), described securing member (5) is sealed the first centre bore (32) two ends of the first cutting tip (3) by seal (6).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310743121.0A CN103737090B (en) | 2013-12-30 | 2013-12-30 | A kind of fine finishining rotary cutting tool |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310743121.0A CN103737090B (en) | 2013-12-30 | 2013-12-30 | A kind of fine finishining rotary cutting tool |
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| CN103737090A CN103737090A (en) | 2014-04-23 |
| CN103737090B true CN103737090B (en) | 2016-02-17 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104014861B (en) * | 2014-05-30 | 2016-08-31 | 株洲钻石切削刀具股份有限公司 | A kind of polish milling cutter |
| CN104014854B (en) * | 2014-05-30 | 2019-06-21 | 株洲钻石切削刀具股份有限公司 | A kind of hole machined cutter head and aperture knife tool |
| CN105436589B (en) * | 2015-12-18 | 2018-05-15 | 株洲钻石切削刀具股份有限公司 | A kind of milling cutter with cooling structure |
| CN106392162A (en) * | 2016-09-29 | 2017-02-15 | 江苏中晟钻石工具有限公司 | PCD milling cutter |
| CN110405234B (en) * | 2019-06-27 | 2024-07-02 | 株洲钻石切削刀具股份有限公司 | Multifunctional turning blade with rough and finish machining functions and cutting tool |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3574911A (en) * | 1969-12-17 | 1971-04-13 | Milling Specialties Inc | Cutter and inserts therefor |
| SE509324C2 (en) * | 1996-04-19 | 1999-01-11 | Seco Tools Ab | Tools for cutting machining |
| CN200970653Y (en) * | 2006-11-23 | 2007-11-07 | 太原市嘉创经贸有限公司 | Edge milling device for lateral cutting unit |
| US8684642B2 (en) * | 2009-02-26 | 2014-04-01 | Kyocera Corporation | Cutting insert, cutting tool, and method of cutting workpiece using the same |
| SE534391C2 (en) * | 2009-10-06 | 2011-08-02 | Sandvik Intellectual Property | Coating plate for milling tools for chip separating machining and milling tools with such coating plate |
| SE535147C2 (en) * | 2009-12-18 | 2012-04-24 | Sandvik Intellectual Property | Device for milling material |
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