CN103357936A - Cutter holder with high-precision adjusting property and cutting tool with cutter holder - Google Patents
Cutter holder with high-precision adjusting property and cutting tool with cutter holder Download PDFInfo
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- CN103357936A CN103357936A CN2013102544941A CN201310254494A CN103357936A CN 103357936 A CN103357936 A CN 103357936A CN 2013102544941 A CN2013102544941 A CN 2013102544941A CN 201310254494 A CN201310254494 A CN 201310254494A CN 103357936 A CN103357936 A CN 103357936A
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Abstract
The invention discloses a cutter holder with a high-precision adjusting property and a cutting tool with the cutter holder. The cutter holder comprises a cutter holder body which is provided with a cutter groove for assembling and disassembling a cutting blade; the cutter groove is provided with a bottom locating surface, an end locating surface and a side locating surface for locating the cutting blade; the end locating surface and/or the side locating surface are/is provided with an elastic tensioning structure for adjusting the cutting blade to locate in a matching manner. The cutting tool comprises a cutter body, the cutting blade and the cutter holder with the high-precision adjusting property, and the cutting blade is arranged on the cutter body through the cutter holder. The cutting tool has the advantages of simple structure, high adjusting precision and efficiency and convenience in operation.
Description
Technical field
The present invention relates to tool rest and cutting tool, relate in particular to a kind of cutting tool that has the tool rest of high accuracy adjustment capability and this tool rest is housed.
Background technology
Along with the development of metal processing manufacturing industry, processed surface smoothness requires more and more higher.Has the rotation class cutting tool of a plurality of cutting tips in cutting operation, in order to improve processed surface smoothness, the end of cutting tip or sidepiece require to use as much as possible hi-Fix, and location, coarse end or coarse sidepiece location can reduce the service life of machined surface quality and cutting tip greatly.In order to improve the service life of processed surface smoothness and cutting tip, beating of the end of each cutting tip of rotary cutter or sidepiece requires 0.001mm, because the cutter hub of rotary cutter, the existence that the cutting tip size is made capabilities limits and fit-up gap, beat and be difficult to reach high-precision requirement like this, in order to satisfy the processing needs, it is a kind of well-known jumping control method that each cutting tip is provided with the adjustment structure of beating.
Chinese patent literature CN100513032C discloses a kind of adjustment structure of beating, its locating surface in the cutter groove is provided with a screw, thereby change the size of beating of cutting tip with respect to the locating surface position by adjusting screw, this adjustment mode is simple in structure, easy to operate, the adjusting range of beating is large.But owing to taking threaded engagement between screw and the locating surface, and there is the gap between the screw thread, thereby the difficulty of adjusting accurately control to beating is very large, screw directly contacts with cutting tip simultaneously, greatly reduce cutter groove positioning intensity and rigidity, thereby the easy vibration-generating of cutter hub reduces machined surface quality during cutting.
Summary of the invention
The technical problem to be solved in the present invention is to overcome the deficiencies in the prior art, provide a kind of simple in structure, adjust the tool rest with high accuracy adjustment capability that precision is high, regulated efficiency is high, easy to operate, and the cutting tool with this tool rest.
For solving the problems of the technologies described above, the present invention by the following technical solutions:
A kind of tool rest with high accuracy adjustment capability, comprise the tool rest body, described tool rest body is provided with the cutter groove for the loading and unloading cutting tip, described cutter groove is provided with the end locating surface of described cutting tip location, end locating surface and side-locating face, and described end locating surface and/or side-locating face are equipped be used to the elastic expansion locking structure of adjusting described cutting tip location.
Described elastic expansion locking structure comprises elastic groove and adjustment part, and described adjustment part is installed in the elastic groove, and orders about elastic groove by Zona transformans moved end locating surface or side-locating face, to adjust the location to described cutting tip.
Described elastic groove comprises one section parallel slot, one section deep-slotted chip breaker and the adjustment part installing hole that runs through described parallel slot and deep-slotted chip breaker, described parallel slot is communicated with described deep-slotted chip breaker, the part that described adjustment part installing hole and parallel slot intersect is provided with the counter sink section, the adjustment part installing hole is provided with the bellmouth section from the part that counter sink Duan Zhiyu deep-slotted chip breaker intersects, and the part that the adjustment part installing hole passes deep-slotted chip breaker is the screwed hole section.
Described adjustment part is provided with the spline head that cooperates with described counter sink section, and described spline head is connected with one section swelling conical surface that cooperates with described bellmouth section, and the described swelling conical surface is connected with the threaded column that cooperates with described screwed hole section.
The bellmouth central shaft of described bellmouth section screwed hole central shaft than the screwed hole section on away from the direction of cutter groove deflects away from apart from E 0.02mm≤E≤0.2mm.
The angle of the location end face of described screwed hole central shaft and described tool rest is α, 5 °≤α≤30 °.
The cone angle of described bellmouth section is β, 10 °≤β≤40 °.
The diameter of described screwed hole section is D, and distance is L between described cutter groove and the described deep-slotted chip breaker, 0.2D≤L≤0.8D.
But the corner of described end locating surface and side-locating face is provided with the partition grooves that makes end locating surface and side-locating face independent deformation.
Part between described elastic groove and the cutter groove is grain-clamping table, and described grain-clamping table both sides are provided with interior recessed and outer recessed, described interior recessed and outer recessedly all communicate with cutter groove, deep-slotted chip breaker, and described interior recessed and outer distance between recessed is H, 0.6D≤H≤1.5D.
A kind of cutting tool comprises cutter hub, cutting tip and the above-mentioned tool rest with high accuracy adjustment capability, and described cutting tip is installed on the cutter hub by described tool rest.
Compared with prior art, the invention has the advantages that:
Tool rest with high accuracy adjustment capability of the present invention, can change the position of end locating surface and/or side-locating face by the elastic expansion locking structure, thereby capable of regulating cutting tip location, the adjustment that realization is beated to cutting tip, the scope that can effectively dwindle beats adjusts is to 0.05mm, improve greatly and adjust precision and regulated efficiency, simultaneously when adjustment is beated, the continuity that the lasting loading characteristic of elastic expansion locking structure can guarantee to beat and adjust, continuous beating adjusted and can be accessed accurately other precision of beating of 0.001mm level.Cutting tool of the present invention because above-mentioned tool rest with high accuracy adjustment capability being housed, therefore possesses corresponding technique effect.
Description of drawings
Fig. 1 is the perspective view of the first tool rest embodiment of the present invention.
Fig. 2 is the main TV structure schematic diagram of the first tool rest embodiment of the present invention.
Fig. 3 is the A-A cutaway view of Fig. 2.
Fig. 4 is the B-B cutaway view of Fig. 2.
Fig. 5 is the structural representation of adjustment part.
Fig. 6 is the perspective view of the second tool rest embodiment of the present invention.
Fig. 7 is the perspective view of cutting tool of the present invention.
Each label represents among the figure:
1, tool rest body; 2, cutting tip; 3, adjustment part; 4, location end face; 5, grain-clamping table; 6, cutter hub; 7, partition grooves; 11, cutter groove; 12, elastic groove; 111, end locating surface; 112, end locating surface; 113, side-locating face; 121, parallel slot; 122, deep-slotted chip breaker; 123, adjustment part installing hole; 1231, counter sink section; 1232, bellmouth section; 1233, screwed hole section; 31, spline head; 32, the swelling conical surface; 33, threaded column; 51, interior recessed; 52, outer recessed.
The specific embodiment
Fig. 1 to Fig. 5 shows the tool rest embodiment that the first of the present invention has the high accuracy adjustment capability, this tool rest comprises tool rest body 1, tool rest body 1 is provided with the cutter groove 11 for loading and unloading cutting tip 2, cutter groove 11 is provided with the end locating surface 111 to cutting tip 2 location, end locating surface 112 and side-locating face 113, end locating surface 112 and/or side-locating face 113 are equipped with for the elastic expansion locking structure of adjusting cutting tip 2 location, can change the position of end locating surface 112 and/or side-locating face 113 by the elastic expansion locking structure, thereby capable of regulating cutting tip 2 location, the adjustment that realization is beated to cutting tip 2, the scope that can effectively dwindle beats adjusts is to 0.05mm, improve greatly and adjust precision and regulated efficiency, simultaneously when adjustment is beated, the continuity that the lasting loading characteristic of elastic expansion locking structure can guarantee to beat and adjust, continuous beating adjusted and can be accessed accurately other precision of beating of 0.001mm level.In the present embodiment, only establish this elastic expansion locking structure for end locating surface 112, also can select in other embodiments only to establish this elastic expansion locking structure for side-locating face 113, perhaps select simultaneously for holding locating surface 112 and side-locating face 113 to establish respectively this elastic expansion locking structure.
In the present embodiment, the elastic expansion locking structure comprises elastic groove 12 and adjustment part 3, and adjustment part 3 is installed in the elastic groove 12, and orders about elastic groove 12 by Zona transformans moved end locating surface 112, to adjust the location to cutting tip 2.Elastic groove 12 comprises one section parallel slot 121, one section deep-slotted chip breaker 122 and runs through parallel slot 121 and the adjustment part installing hole 123 of deep-slotted chip breaker 122, parallel slot 121 is communicated with deep-slotted chip breaker 122, adjustment part installing hole 123 is provided with counter sink section 1231 with the part that parallel slot 121 intersects, adjustment part installing hole 123 is provided with bellmouth section 1232 from counter sink section 1231 to the part that intersects with deep-slotted chip breaker 122, and the part that adjustment part installing hole 123 passes deep-slotted chip breaker 122 is screwed hole section 1233.Adjustment part 3 is provided with the spline that cooperates with counter sink section 1231 31, cooperates with counter sink section 1231 by spline 31 and can limit the degree of depth that adjustment part 3 inserts elastic grooves 12, can the establishment plastic deformation, and the service life of improving tool rest; Spline 31 is connected with one section swelling conical surface 32 that cooperates with bellmouth section 1232, the swelling conical surface 32 is connected with the threaded column 33 that cooperates with screwed hole section 1233, after threaded column 33 screws in screwed hole section 1233, the swelling conical surface 32 contacts with bellmouth section 1232, and promotion bellmouth section 1232 distortion, and by bellmouth section 1232 band moved end locating surfaces 112, realization is beated to the end of cutting tip 2 and is adjusted.
In the present embodiment, but end locating surface 112 is provided with the partition grooves 7 that makes end locating surface 112 and side-locating face 113 independent deformation with the corner of side-locating face 113, when opposite end locating surface 112 is adjusted, avoid side-locating face 113 impacts, also can avoid being subject to the restriction of side-locating face 113, so that the adjustment of end locating surface 112 more freely, flexibly.In other embodiments, when end locating surface 112 and side-locating face 113 are respectively equipped with the elastic expansion locking structure, can be so that the two independent adjustment be subject to any mutual restriction and impact yet.
In the present embodiment, part between elastic groove 12 and the cutter groove 11 is grain-clamping table 5, grain-clamping table 5 both sides are provided with interior recessed 51 and outer recessed 52, interior recessed 51 and outer recessed 52 all communicate with cutter groove 11, deep-slotted chip breaker 122, distance between interior recessed 51 and outer recessed 52 is H, the diameter of screwed hole section 1233 is D, in order to make adjustment part 3 be applied to the suitable end size adjustment amount of power of grain-clamping table 5, and make grain-clamping table 5 have preferably intensity, the relation of H and D should satisfy: 0.6D≤H≤1.5D, in the present embodiment, H=1.2D.The bellmouth central shaft C1 of bellmouth section 1232 screwed hole central shaft C2 than screwed hole section 1233 on away from the direction of cutter groove 11 deflects away from apart from E, in order to guarantee that grain-clamping table 5 rigidity, intensity are not subjected to the impact of adjustment part 3 appearance and sizes, and the continuity of realization end size adjustment, the value of E should satisfy: 0.02mm≤E≤0.2mm, in the present embodiment, E=0.1mm; The angle of the location end face 4 of screwed hole central shaft C2 and tool rest is α, in order to guarantee to make the end face direction of advocating to be applied in cutter groove 11 on the bellmouth section 1232 that adjustment part 3 is applied to, the value of α should satisfy: 5 °≤α≤30 °, and in the present embodiment, α=15 °; The cone angle of bellmouth section 1232 is β, and distance is L between cutter groove 11 and the deep-slotted chip breaker 122, in order to guarantee adjustment precision, intensity and the rigidity of grain-clamping table 5, and 10 °≤β≤40 °, 0.2D≤L≤0.8D, in the present embodiment, β=20 °, L=0.6D.
When the adjustment part 3 with tool rest of high accuracy adjustment capability of the present invention inserts elastic groove 12, contact first afterbody or the sidepiece of tool rest body 1, adjustment part 3 ability and grain-clamping table 5 stressed contacts after insertion depth continues to increase, adjustment part 3 is continual to be contacted with afterbody or the sidepiece of tool rest body 1, thereby 3 elasticity adjustment that participate in grain-clamping table 5 of adjustment part, the positioning and rigid of grain-clamping table, intensity only are decided by end face grip strength and the rigidity of tool rest body 1, thereby make cutter groove 11 have very high positioning intensity and rigidity.
Fig. 6 shows the tool rest embodiment that the second of the present invention has the high accuracy adjustment capability, and the present embodiment and a upper embodiment are basic identical, and its difference only is, simultaneously for holding locating surface 112 and side-locating face 113 to be respectively arranged with the elastic expansion locking structure.
Fig. 7 shows a kind of cutting tool embodiment of the present invention, this cutting tool comprise cutter hub 6, cutting tip 2 and as the tool rest with high accuracy adjustment capability of the first embodiment, cutting tip 2 is installed on the cutter hub 6 by this tool rest.
Although the present invention discloses as above with preferred embodiment, yet is not to limit the present invention.Any those of ordinary skill in the art in the situation that do not break away from the technical solution of the present invention scope, can utilize the technology contents of above-mentioned announcement that technical solution of the present invention is made many possible changes and modification, or be revised as the equivalent embodiment of equivalent variations.Therefore, every content that does not break away from technical solution of the present invention, all should drop in the scope of technical solution of the present invention protection any simple modification, equivalent variations and modification that above embodiment does according to the technology of the present invention essence.
Claims (11)
1. tool rest with high accuracy adjustment capability, comprise tool rest body (1), described tool rest body (1) is provided with the cutter groove (11) for loading and unloading cutting tips (2), described cutter groove (11) is provided with the end locating surface (111) of described cutting tip (2) location, end locating surface (112) and side-locating face (113), it is characterized in that: described end locating surface (112) and/or side-locating face (113) are equipped be used to the elastic expansion locking structure of adjusting described cutting tip (2) location.
2. the tool rest with high accuracy adjustment capability according to claim 1, it is characterized in that: described elastic expansion locking structure comprises elastic groove (12) and adjustment part (3), described adjustment part (3) is installed in the elastic groove (12), and order about elastic groove (12) by Zona transformans moved end locating surface (112) or side-locating face (113), to adjust the location to described cutting tip (2).
3. the tool rest with high accuracy adjustment capability according to claim 2, it is characterized in that: described elastic groove (12) comprises one section parallel slot (121), one section deep-slotted chip breaker (122) and run through described parallel slot (121) and the adjustment part installing hole (123) of deep-slotted chip breaker (122), described parallel slot (121) is communicated with described deep-slotted chip breaker (122), described adjustment part installing hole (123) is provided with counter sink section (1231) with the part that parallel slot (121) intersects, adjustment part installing hole (123) extremely is provided with bellmouth section (1232) with the part that deep-slotted chip breaker (122) intersects from counter sink section (1231), and the part that adjustment part installing hole (123) passes deep-slotted chip breaker (122) is screwed hole section (1233).
4. the tool rest with high accuracy adjustment capability according to claim 3, it is characterized in that: described adjustment part (3) is provided with the spline head (31) that cooperates with described counter sink section (1231), described spline head (31) is connected with one section swelling conical surface (32) that cooperates with described bellmouth section (1232), and the described swelling conical surface (32) is connected with the threaded column (33) that cooperates with described screwed hole section (1233).
5. the tool rest with high accuracy adjustment capability according to claim 4, it is characterized in that: the bellmouth central shaft (C1) of described bellmouth section (1232) screwed hole central shaft (C2) than screwed hole section (1233) on away from the direction of cutter groove (11) deflects away from apart from E 0.02mm≤E≤0.2mm.
6. the tool rest with high accuracy adjustment capability according to claim 5 is characterized in that: described screwed hole central shaft (C2) is α with the angle of the location end face (4) of described tool rest, 5 °≤α≤30 °.
7. the tool rest with high accuracy adjustment capability according to claim 4, it is characterized in that: the cone angle of described bellmouth section (1232) is β, 10 °≤β≤40 °.
8. the tool rest with high accuracy adjustment capability according to claim 4, it is characterized in that: the diameter of described screwed hole section (1233) is D, distance is L between described cutter groove (11) and the described deep-slotted chip breaker (122), 0.2D≤L≤0.8D.
9. the tool rest with high accuracy adjustment capability according to claim 4 is characterized in that: the corner of described end locating surface (112) and side-locating face (113) is provided with and makes end locating surface (112) and side-locating face (113) but the partition grooves (7) of independent deformation.
10. the tool rest with high accuracy adjustment capability according to claim 4, it is characterized in that: the part between described elastic groove (12) and the cutter groove (11) is grain-clamping table (5), described grain-clamping table (5) both sides are provided with interior recessed (51) and outer recessed (52), described interior recessed (51) and outer recessed (52) all communicate with cutter groove (11), deep-slotted chip breaker (122), distance between described interior recessed (51) and outer recessed (52) is H, 0.6D≤H≤1.5D.
11. cutting tool, it is characterized in that: comprise cutter hub (6), cutting tip (2) and such as each described tool rest with high accuracy adjustment capability in the claim 1 to 10, described cutting tip (2) is installed on the cutter hub (6) by described tool rest.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310254494.1A CN103357936B (en) | 2013-06-25 | 2013-06-25 | Cutter holder with high-precision adjusting property and cutting tool with cutter holder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310254494.1A CN103357936B (en) | 2013-06-25 | 2013-06-25 | Cutter holder with high-precision adjusting property and cutting tool with cutter holder |
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| Publication Number | Publication Date |
|---|---|
| CN103357936A true CN103357936A (en) | 2013-10-23 |
| CN103357936B CN103357936B (en) | 2017-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310254494.1A Active CN103357936B (en) | 2013-06-25 | 2013-06-25 | Cutter holder with high-precision adjusting property and cutting tool with cutter holder |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104785840A (en) * | 2014-01-22 | 2015-07-22 | 钴碳化钨硬质合金公司 | Cutting tool having insert pocket with cantilevered member |
| CN111558742A (en) * | 2020-04-27 | 2020-08-21 | 台劲(台州)科技有限公司 | Taper flying cutter head |
| CN117884724A (en) * | 2024-03-14 | 2024-04-16 | 常州市创荣工具制造有限公司 | Thread milling cutter free of bottoming hole |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5658100A (en) * | 1994-08-25 | 1997-08-19 | Walter Ag | Interlocking, or form fitting cutting bit or chip |
| CN1438929A (en) * | 2000-06-27 | 2003-08-27 | 桑德维克公司 | Positional adjusting mechanism |
| CN1596169A (en) * | 2001-11-27 | 2005-03-16 | 山特维克公司 | Tool for chip removing machining having a wedge-actuated insert adjustment mechanism |
| US20130004252A1 (en) * | 2010-03-10 | 2013-01-03 | Tungaloy Corporation | Clamp Auxiliary Member and Cutting Tool with the Clamp Auxiliary Member |
| CN203304659U (en) * | 2013-06-25 | 2013-11-27 | 株洲钻石切削刀具股份有限公司 | Tool apron with high-precision adjustment capacity and cutting tool with tool apron |
-
2013
- 2013-06-25 CN CN201310254494.1A patent/CN103357936B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5658100A (en) * | 1994-08-25 | 1997-08-19 | Walter Ag | Interlocking, or form fitting cutting bit or chip |
| CN1438929A (en) * | 2000-06-27 | 2003-08-27 | 桑德维克公司 | Positional adjusting mechanism |
| CN1596169A (en) * | 2001-11-27 | 2005-03-16 | 山特维克公司 | Tool for chip removing machining having a wedge-actuated insert adjustment mechanism |
| US20130004252A1 (en) * | 2010-03-10 | 2013-01-03 | Tungaloy Corporation | Clamp Auxiliary Member and Cutting Tool with the Clamp Auxiliary Member |
| CN203304659U (en) * | 2013-06-25 | 2013-11-27 | 株洲钻石切削刀具股份有限公司 | Tool apron with high-precision adjustment capacity and cutting tool with tool apron |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104785840A (en) * | 2014-01-22 | 2015-07-22 | 钴碳化钨硬质合金公司 | Cutting tool having insert pocket with cantilevered member |
| CN104785840B (en) * | 2014-01-22 | 2020-08-28 | 钴碳化钨硬质合金公司 | Cutting tool having insert pocket with cantilevered member |
| CN111558742A (en) * | 2020-04-27 | 2020-08-21 | 台劲(台州)科技有限公司 | Taper flying cutter head |
| CN117884724A (en) * | 2024-03-14 | 2024-04-16 | 常州市创荣工具制造有限公司 | Thread milling cutter free of bottoming hole |
| CN117884724B (en) * | 2024-03-14 | 2024-05-31 | 常州市创荣工具制造有限公司 | Thread milling cutter free of bottoming hole |
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| CN103357936B (en) | 2017-04-19 |
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