CN103706866B - A kind of milling cutter of cutter holder positioning stablity - Google Patents
A kind of milling cutter of cutter holder positioning stablity Download PDFInfo
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- CN103706866B CN103706866B CN201310676957.3A CN201310676957A CN103706866B CN 103706866 B CN103706866 B CN 103706866B CN 201310676957 A CN201310676957 A CN 201310676957A CN 103706866 B CN103706866 B CN 103706866B
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Abstract
The invention discloses the milling cutter of a kind of cutter holder positioning stablity, including cutter hub, cutter holder, cutter holder screw, cutting tip and blade screw, cutter hub is provided with cutter groove, cutter holder is fixed in cutter groove by cutter holder screw, cutter holder is provided with insert groove, cutting tip is fixed in insert groove by blade screw, cutter groove is provided with tangentially oriented, radially locating surface, the cutter groove vertical positioned opposite with tangentially oriented and inclined-plane, location, cutter holder is provided with tangentially mounted, radially installed surface, the cutter holder vertical positioned opposite with tangentially mounted and tangential inclined-plane, tangentially oriented contacts location with tangentially mounted, inclined-plane, location and tangential contact of incline plane location, it is axially arranged with the long and narrow thin seam of elastically deformable along cutter hub between tangentially mounted and tangential inclined-plane of cutter holder. the advantage that the milling cutter of this cutter holder positioning stablity has accurate positioning, positioning intensity height, long service life.
Description
Technical field
The present invention relates to a kind of milling cutter, particularly relate to the milling cutter of a kind of cutter holder positioning stablity.
Background technology
Existing milling cutter is frequently used cutter holder formula structure, it is arranged on milling cutter body by cutter holder, and milling cutting insert is arranged on cutter holder by blade screw, usual this situation cutter holder and milling cutter body are by tangential, radial and axial three locating surfaces position, and in cross sectional view, only have two locating surfaces, as shown in Figure 1, cutter holder 2 is by tangentially mounted face 22 and radially the tangentially oriented face 111 of installed surface 23 and cutter groove 11 and radial direction locating surface 112 coordinate and position, this location mode is fewer due to locating surface, location and installation accuracy are all limited.
Summary of the invention
The technical problem to be solved in the present invention is to overcome the deficiencies in the prior art, it is provided that a kind of accurate positioning, positioning intensity are high, the milling cutter of the cutter holder positioning stablity of long service life.
For solving above-mentioned technical problem, the present invention by the following technical solutions:
A kind of milling cutter of cutter holder positioning stablity, including cutter hub, cutter holder, cutter holder screw, cutting tip and blade screw, described cutter hub is provided with cutter groove, described cutter holder is fixed in cutter groove by cutter holder screw, described cutter holder is provided with insert groove, described cutting tip is fixed in insert groove by blade screw, described cutter groove is provided with tangentially oriented, radially locating surface, the cutter groove vertical positioned opposite with tangentially oriented and inclined-plane, location, described cutter holder is provided with tangentially mounted, radially installed surface, the cutter holder vertical positioned opposite with tangentially mounted and tangential inclined-plane, described tangentially oriented contacts location with tangentially mounted, inclined-plane, described location and tangential contact of incline plane location, it is axially arranged with the long and narrow thin seam of elastically deformable along cutter hub between tangentially mounted and tangential inclined-plane of described cutter holder.
Further improvement as technique scheme:
Described radial direction locating surface contacts location with radially installed surface, is provided with, between described cutter groove vertical and cutter holder vertical, the gap that width can be kept to be L2.
Angle between described tangentially mounted and tangential inclined-plane is α, angle α shrinks to the center of rotation of cutter hub, 1 °≤α≤30 °, described tangentially oriented and location inclined-plane between angle be α ', angle α ' shrinks to the center of rotation of cutter hub, and α '≤α.
Described cutter holder vertical is parallel with tangentially mounted and distance is H1, and described cutter groove vertical is parallel with tangentially oriented and distance is 0～0.1mm for H2, H2-H1=L2, L2.
Described cutter hub is provided with the wedge groove being connected with cutter groove, by voussoir screw, adjustment voussoir is installed in described wedge groove, described adjustment voussoir is provided with voussoir inclined-plane, and described cutter holder is provided with and coordinates with voussoir inclined-plane location the cutter holder for adjusting cutter holder axial height to adjust face.
Compared with prior art, it is an advantage of the current invention that:
The milling cutter of the cutter holder positioning stablity of the present invention, cutter holder is fixed on by cutter holder screw while cutter groove, contact location by tangentially oriented with tangentially mounted, inclined-plane, location positions with tangential contact of incline plane, radial direction locating surface contacts location with radially installed surface, so that location is more stable accurately; When compressing, between tangentially mounted and tangential inclined-plane, there is active force in opposite direction in cutter holder, thus the concatenation ability added between cutter holder and cutter hub; And tangential inclined-plane can provide outside component, thus the gap eliminated between the screw thread of cutter holder screw and the screw thread of cutter groove upper bolt aperture, it is ensured that the stability of thrust transmission and seriality, accurately adjustment and location for cutter holder provide reliable and support; The long and narrow thin seam of elastically deformable it is provided with between tangentially mounted and tangential inclined-plane of cutter holder, long and narrow thin seam provides the effect of similar damping, the microseismic activity of cutter holder during milling can be suppressed, contribute to reducing the cutting tip cutting edge damage that microseismic activity causes, improve the service life of cutting tip.
Accompanying drawing explanation
Fig. 1 is the cutter holder assembling schematic cross-section in existing milling cutter.
Fig. 2 is the perspective view of milling cutter embodiment of the present invention.
Fig. 3 is the structural representation of cutter groove in milling cutter embodiment of the present invention.
Fig. 4 is the cross-sectional view of cutter groove in milling cutter embodiment of the present invention.
Fig. 5 is the perspective view of cutter holder in milling cutter embodiment of the present invention.
Fig. 6 is the plan structure schematic diagram of cutter holder in milling cutter embodiment of the present invention.
Fig. 7 is the cross-sectional view of preassembled condition in milling cutter embodiment of the present invention.
Fig. 8 is the cross-sectional view of complete installment state in milling cutter embodiment of the present invention.
Fig. 9 is the main TV structure schematic diagram that in milling cutter embodiment of the present invention, cutter holder coordinates with adjustment voussoir.
Figure 10 is the right TV structure schematic diagram that in milling cutter embodiment of the present invention, cutter holder coordinates with adjustment voussoir.
In figure, each label represents:
1, cutter hub; 11, cutter groove; 111, tangentially oriented; 112, radial direction locating surface; 113, cutter groove vertical; 114, inclined-plane, location; 12, wedge groove; 2, cutter holder; 21, insert groove; 22, tangentially mounted; 23, radial direction installed surface; 24, cutter holder vertical; 25, tangential inclined-plane; 26, cutter holder adjusts face; 27, long and narrow thin seam; 3, cutter holder screw; 4, cutting tip; 5, blade screw; 6, voussoir is adjusted; 61, voussoir inclined-plane; 7, voussoir screw; 8, gap.
Detailed description of the invention
Fig. 2 to Figure 10 illustrates the milling cutter embodiment of a kind of cutter holder positioning stablity of the present invention, this milling cutter includes cutter hub 1, cutter holder 2, cutter holder screw 3, cutting tip 4 and blade screw 5, cutter hub 1 is provided with cutter groove 11, cutter holder 2 is fixed in cutter groove 11 by cutter holder screw 3, cutter holder 2 is provided with insert groove 21, cutting tip 4 is fixed in insert groove 21 by blade screw 5, cutter groove 11 is provided with tangentially oriented face 111, radially locating surface 112, the cutter groove vertical 113 positioned opposite with tangentially oriented face 111 and inclined-plane 114, location, radially locating surface 112 is connected by cutter groove vertical 113 with inclined-plane 114, location, cutter holder 2 is provided with tangentially mounted face 22, radially installed surface 23, the cutter holder vertical 24 positioned opposite with tangentially mounted face 22 and tangential inclined-plane 25, radially installed surface 23 is connected by cutter holder vertical 24 with tangential inclined-plane 25, while cutter holder 2 is fixed on cutter groove 11 by cutter holder screw 3, tangentially oriented face 111 contacts location with tangentially mounted face 22, inclined-plane 114, location contacts location with tangential inclined-plane 25, radially locating surface 112 contacts location with radially installed surface 23, so that location is more stable accurately, cutter holder 2 is when compressing, active force in opposite direction is there is between tangentially mounted face 22 and tangential inclined-plane 25, thus the concatenation ability added between cutter holder 2 and cutter hub 1,And tangential inclined-plane 25 can provide outside component, thus the gap eliminated between the screw thread of cutter holder screw 3 and the screw thread of cutter groove 11 upper bolt aperture, it is ensured that the stability of thrust transmission and seriality, accurately adjustment and location for cutter holder 2 provide reliable and support; It is axially arranged with the long and narrow thin seam 27 of elastically deformable along cutter hub 1 between tangentially mounted face 22 and the tangential inclined-plane 25 of cutter holder 2, long and narrow thin seam 27 provides the effect of similar damping, the microseismic activity of cutter holder 2 during milling can be suppressed, contribute to reducing the cutting tip 4 cutting edge damage that microseismic activity causes, improve the service life of cutting tip 4.
In the present embodiment, between cutter groove vertical 113 and cutter holder vertical 24, it is provided with the gap 8 that width can be kept to be L2. Angle between tangentially mounted face 22 and tangential inclined-plane 25 is α, angle α shrinks to the center of rotation of cutter hub 1,1 °≤α≤30 °, and the angle between tangentially oriented face 111 and inclined-plane 114, location is α ', angle α ' shrinks to the center of rotation of cutter hub 1, and α '≤α. In the present embodiment, α=10 °, α '=9.98 °. Cutter holder vertical 24 is parallel with tangentially mounted face 22 and distance is H1, cutter groove vertical 113 is parallel with tangentially oriented face 111 and distance is 0～0.1mm for H2, H2-H1=L2, L2, in the present embodiment, H1=13mm, H2=13.05mm, L2=0.05mm, the setting of this parameter ensure that cutter holder 2 can be mounted in cutter groove 11 completely, by command range L2 so that it is have higher accuracy class, good guide effect just can be played when cutter holder 2 puts into cutter groove 11; Simultaneously L2 is an only small gap, it is possible to prevent cutter holder 2 from excessive deflection occurring under tangential inclined-plane 25 with the interaction on inclined-plane 114, location cutter groove 11 in, thus affecting radially contact condition between installed surface 23 and radial direction locating surface 112.
In the present embodiment, cutter hub 1 is provided with the wedge groove 12 being connected with cutter groove 11, by voussoir screw 7, adjustment voussoir 6 is installed in wedge groove 12, adjust voussoir 6 and be provided with voussoir inclined-plane 61, cutter holder 2 is provided with and coordinates with voussoir inclined-plane 61 location the cutter holder for adjusting cutter holder 2 axial height to adjust face 26, by rotating voussoir screw 7, the voussoir inclined-plane 61 making adjustment voussoir 6 adjusts face 26 with cutter holder and contacts, and further rotates voussoir screw 7 and voussoir inclined-plane 61 can be made to promote cutter holder adjustment face 26 that the axial height of cutter holder 2 is adjusted. Owing to cutter holder 2 is defined multiaspect location structure by cutter groove 11, and tangentially inclined-plane 25 can provide outside component, eliminate the gap between screw thread and the screw thread of cutter groove 11 upper bolt aperture of cutter holder screw 3, ensure stability and the seriality of thrust transmission, make cutter holder 2 when pre-pressing, adjust voussoir 6 and possess the regulating power of good axial height.
During installation, cutter holder 2 inserts in the cutter groove 11 of milling cutter hub 1, when cutter holder screw 3 is about to start to compress, the tangentially mounted face 22 of cutter holder 2 contacts location with the tangentially oriented face 111 of cutter groove 11, tangential inclined-plane 25 contacts location with inclined-plane 114, location, radially there is gap L 1 between installed surface 23 and radial direction locating surface 112, has vertical dimension L2 between cutter holder vertical 24 and cutter groove vertical 113, long and narrow thin seam 27 is in normal extended configuration, as shown in Figure 7. when tightening cutter holder screw 3 and starting to compress, between tangentially mounted face 22 and tangentially oriented face 111, and tangentially between inclined-plane 25 and inclined-plane 114, location, keep in touch and formed compression location, radially the gap L 1 between installed surface 23 and radial direction locating surface 112 is gradually reduced, until L1=0mm, make radially installed surface 23 be formed with radially locating surface 112 and compress location, and the vertical dimension L2 between cutter holder vertical 24 and cutter groove vertical 113 remains unchanged, due to α '≤α, long and narrow thin seam 27 is in compressive state and elastic deformation occurs, and inclined-plane 114, location and preferential contact position, tangential inclined-plane 25 are positioned at the periphery of cutter groove 11, ensure that good thrust and contact effect, as shown in Figure 8.
Although the present invention is disclosed above with preferred embodiment, but it is not limited to the present invention. Any those of ordinary skill in the art, when without departing from technical solution of the present invention scope, may utilize the technology contents of the disclosure above and technical solution of the present invention are made many possible variations and modification, or be revised as the Equivalent embodiments of equivalent variations. Therefore, every content without 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 (4)
1. the milling cutter of a cutter holder positioning stablity, including cutter hub (1), cutter holder (2), cutter holder screw (3), cutting tip (4) and blade screw (5), described cutter hub (1) is provided with cutter groove (11), described cutter holder (2) is fixed in cutter groove (11) by cutter holder screw (3), described cutter holder (2) is provided with insert groove (21), described cutting tip (4) is fixed in insert groove (21) by blade screw (5), it is characterized in that: described cutter groove (11) is provided with tangentially oriented (111), radially locating surface (112), cutter groove vertical (113) positioned opposite with tangentially oriented (111) and inclined-plane, location (114), described cutter holder (2) is provided with tangentially mounted (22), radially installed surface (23), the cutter holder vertical (24) positioned opposite with tangentially mounted (22) and tangential inclined-plane (25), described tangentially oriented (111) contact location with tangentially mounted (22), inclined-plane, described location (114) contacts location with tangential inclined-plane (25), it is axially arranged with the long and narrow thin seam (27) of elastically deformable along cutter hub (1) between tangentially mounted (22) and tangential inclined-plane (25) of described cutter holder (2), angle between described tangentially mounted (22) and tangential inclined-plane (25) is α, angle α shrinks to the center of rotation of cutter hub (1), 1 °≤α≤30 °, angle between described tangentially oriented (111) and inclined-plane, location (114) is α ', angle α ' shrinks to the center of rotation of cutter hub (1), and α '≤α.
2. the milling cutter of cutter holder positioning stablity according to claim 1, it is characterized in that: described radial direction locating surface (112) contacts location with radially installed surface (23), is provided with the gap (8) that width can be kept to be L2 between described cutter groove vertical (113) and cutter holder vertical (24).
3. the milling cutter of cutter holder positioning stablity according to claim 2, it is characterized in that: described cutter holder vertical (24) is parallel with tangentially mounted (22) and distance is H1, described cutter groove vertical (113) is parallel with tangentially oriented (111) and distance is H2, H2-H1=L2, L2 are 0～0.1mm.
4. the milling cutter of cutter holder positioning stablity according to any one of claim 1 to 3, it is characterized in that: described cutter hub (1) is provided with the wedge groove (12) being connected with cutter groove (11), by voussoir screw (7), adjustment voussoir (6) is installed in described wedge groove (12), described adjustment voussoir (6) is provided with voussoir inclined-plane (61), and described cutter holder (2) is provided with and coordinates location with voussoir inclined-plane (61) and be used for adjusting cutter holder adjustment face (26) of cutter holder (2) axial height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310676957.3A CN103706866B (en) | 2013-12-13 | 2013-12-13 | A kind of milling cutter of cutter holder positioning stablity |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310676957.3A CN103706866B (en) | 2013-12-13 | 2013-12-13 | A kind of milling cutter of cutter holder positioning stablity |
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| Publication Number | Publication Date |
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| CN103706866A CN103706866A (en) | 2014-04-09 |
| CN103706866B true CN103706866B (en) | 2016-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310676957.3A Active CN103706866B (en) | 2013-12-13 | 2013-12-13 | A kind of milling cutter of cutter holder positioning stablity |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105328252A (en) * | 2015-11-17 | 2016-02-17 | 株洲钻石切削刀具股份有限公司 | Rotary processing tool |
| CN107020410B (en) * | 2017-05-03 | 2019-08-16 | 玛珀（上海）精密刀具有限公司 | A kind of milling cutter for cutting groove |
| CN111889776B (en) * | 2020-08-04 | 2021-12-10 | 株洲华锐精密工具股份有限公司 | High-speed milling cutter |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1592668A (en) * | 2001-11-26 | 2005-03-09 | 瓦莱尼特股份有限公司 | Rotatable cutting tool |
| CN1638902A (en) * | 2002-03-08 | 2005-07-13 | 瓦莱尼特有限责任公司 | Rotatable cutting tool |
| CN102056695A (en) * | 2008-06-13 | 2011-05-11 | 特固克有限会社 | Cutting tool and cartridge for the same |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IL154472A (en) * | 2003-02-16 | 2007-10-31 | Amir Satran | Cutting tool and cartridge therefor |
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2013
- 2013-12-13 CN CN201310676957.3A patent/CN103706866B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1592668A (en) * | 2001-11-26 | 2005-03-09 | 瓦莱尼特股份有限公司 | Rotatable cutting tool |
| CN1638902A (en) * | 2002-03-08 | 2005-07-13 | 瓦莱尼特有限责任公司 | Rotatable cutting tool |
| CN102056695A (en) * | 2008-06-13 | 2011-05-11 | 特固克有限会社 | Cutting tool and cartridge for the same |
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| CN103706866A (en) | 2014-04-09 |
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