CN104759646A - Rotary cutting tool - Google Patents
Rotary cutting tool Download PDFInfo
- Publication number
- CN104759646A CN104759646A CN201510156646.3A CN201510156646A CN104759646A CN 104759646 A CN104759646 A CN 104759646A CN 201510156646 A CN201510156646 A CN 201510156646A CN 104759646 A CN104759646 A CN 104759646A
- Authority
- CN
- China
- Prior art keywords
- face
- tool rest
- contacts
- rotary cutting
- recessed
- 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.)
- Granted
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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
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling Processes (AREA)
Abstract
The invention discloses a rotary cutting tool. The rotary cutting tool comprises a tool body, a tool holder and a cutting blade, wherein a tool groove is formed in the tool body, the tool holder is installed in the tool groove through a connection piece, a blade installation groove is formed in the tool holder, the cutting blade is installed in the blade installation groove through a fastener, the cutting blade comprises a bottom positioning face, a first side positioning face and a second side positioning face, the bottom positioning face is contacted with the tool holder so as to position the tool holder, the first side positioning face is contacted with the tool holder so as to position the tool holder, and the second side positioning face is contacted with the tool holder so as to position the tool body. The rotary cutting tool has the advantages of being simple in structure, capable of being manufactured into tools small in size and with tool holders, wide in application range and the like.
Description
Technical field
The present invention relates to metal cutting process field, particularly relate to a kind of rotary cutting tool.
Background technology
In prior art, if along with the manufacturing development of intermetallic composite coating in working angles, more and more higher to the requirement of workpiece surface quality, there is the rotary cutter of multiple cutting tip in cutting operation, if the end of cutting tip and sidepiece positioning precision not high, to greatly reduce the service life of machined surface quality and cutting tip, in order to improve machined surface quality, the end of cutting tip and sidepiece all require positioning precision high as far as possible, therefore, end or the beating of sidepiece of each cutting tip of rotary cutter require to control within 0.001mm, because the size of cutter hub and cutting tip is by the existence of manufacturing capacity restriction and fit-up gap, beat and be difficult to reach high-precision requirement like this, in order to satisfied processing needs, conventional mode arranges at each cutting tip place adjust structure of beating, adjusting device of beating of the prior art is all be arranged on tool rest by cutting tip, the object of axis or radial dimension adjustment is reached by the adjustment of different Principles of Regulation, in addition, in some occasion, such as, in high-speed machining process, the effect that tool rest can play protection cutter hub is set, namely when cutter be subject to larger impulsive force impaired time only can change tool rest and not need to change whole cutter hub, but due to the existence of tool rest, the side, location of blade is with tool rest contact location, diameter when often making the diameter of cutter or short transverse size not install tool rest much larger than cutter or height dimension, make the scope of application of cutter limited.
Summary of the invention
The technical problem to be solved in the present invention overcomes the deficiencies in the prior art, provides a kind of and be made as the small size cutter and rotary cutting tool applied widely of being with tool rest.
For solving the problems of the technologies described above, the present invention by the following technical solutions:
A kind of rotary cutting tool, comprise cutter hub, tool rest and cutting tip, the head outer of described cutter hub is provided with cutter groove, described tool rest is arranged in described cutter groove by connector, described tool rest is provided with blade installation slot, described cutting tip is arranged in described blade installation slot by securing member, described cutting tip comprises bottom locating surface, the first side-locating face and the second side-locating face, described bottom locating surface contacts with tool rest and locates, described first side-locating face contacts with described tool rest and locates, and described second side-locating face contacts with described cutter hub and locates.
Further improvement as technique scheme:
Described cutter groove comprise bottom supporting face, rear support face, collateral bearing surface and from described side bearing towards the recessed surface of indent, described tool rest comprises bottom surface, rear end face and medial surface, described bottom surface contacts with described bottom supporting face and locates, described rear end face contacts with described rear support face and locates, described medial surface embeds described cutter hub, and described second side-locating face and described collateral surfaces contact are located.
It is recessed that described bottom supporting face is provided with the strip that multiple adjustment direction along cutting tip arranges, and described bottom surface is provided with corresponding strip projected parts recessed with the strip on bottom supporting face.
It is recessed that described rear support face is provided with multiple strip, and described rear end face is provided with corresponding strip projected parts recessed with the strip on rear support face.
Described strip is recessed to be trapezoidal with cross section that is strip projected parts.
Described tool rest also comprises guiding mechanism, and described guiding mechanism comprises the adjustment block of adjustment screw and band elastic groove, and described first side-locating face contacts with described adjustment block, by the position regulating described adjustment screw to screw in the depth adjustment cutting tip of described elastic groove.
Compared with prior art, the invention has the advantages that:
(1) rotary cutting tool of the present invention, tool rest is arranged in cutter groove, cutting tip is arranged in the blade installation slot on tool rest, second side-locating face directly contacts with cutter hub and locates, instead of contact with tool rest, therefore on the direction that the second side-locating face contacts with cutter hub, the size of cutter can not increase because being provided with tool rest, all contact with tool rest relative to two sides of blade in prior art and locate, rotary cutting tool size on the direction that the second side-locating face contacts with cutter hub can be reduced, specifically, if it is radial that the direction that the second side-locating face contacts with cutter hub is rotary cutting tool, then the cutter hub diameter of rotary cutting tool can be set to smaller value, expand the scope of application of rotary cutting tool, or when cutter hub diameter is certain, set blade installation slot and the quantity of cutting tip can be increased, improve machining accuracy and the working (machining) efficiency of rotary cutting tool, if the direction that the second side-locating face contacts with cutter hub is rotary cutting tool radial direction is that rotary cutting tool is axial, then can reduces the height dimension of rotary cutting tool, the scope of application of rotary cutting tool can be expanded equally.Namely the present invention adopts simple structure, solves the rotary cutting tool radial dimension with tool rest in prior art or axial height is large, the scope of application is limited problem.
(2) strip that multiple adjustment direction along cutting tip arranges is provided with bottom tool rest of the present invention recessed, and cutter groove bottom is provided with corresponding strip projected parts recessed with the strip on tool rest bottom supporting face, when there is gap when between connector and tool rest connecting hole, the change of actual location angle between the recessed collateral bearing surface with avoiding coordinating between strip projected parts due to the stressed tool rest that causes and cutter groove by strip; And avoid the change of actual location angle between the collateral bearing surface due to tool rest and cutter groove and the angle of the blade horizontal direction cutting edge caused changes and causes affecting cutting effect.
Accompanying drawing explanation
Fig. 1 is the three-dimensional structure diagram of rotary cutting tool of the present invention.
Fig. 2 is the three-dimensional structure diagram of the tool rest of rotary cutting tool of the present invention.
Fig. 3 is the three-dimensional structure diagram of the cutter groove of rotary cutting tool of the present invention.
Fig. 4 is the exploded perspective view of rotary cutting tool of the present invention.
In figure, each label represents:
1, cutter hub; 11, cutter groove; 111, bottom supporting face; 112, rear support face; 113, collateral bearing surface; 114, recessed surface; 2, tool rest; 21, bottom surface; 22, rear end face; 23, medial surface; 24, guiding mechanism; 241, screw is adjusted; 242, adjustment block; 3, cutting tip; 31, bottom locating surface; 32, the first side-locating face; 33, the second side-locating face; 4, securing member; 5, connector; 6, blade installation slot.
Detailed description of the invention
Below with reference to Figure of description and specific embodiment, the present invention is described in further details.
Fig. 1 to Fig. 4 shows a kind of embodiment of rotary cutting tool of the present invention, this rotary cutting tool comprises cutter hub 1, tool rest 2 and cutting tip 3, the head outer of cutter hub 1 is provided with cutter groove 11, tool rest 2 is arranged in cutter groove 11 by connector 5, tool rest 2 is provided with blade installation slot 6, cutting tip 3 is arranged in blade installation slot 6 by securing member 4, cutting tip 3 comprises bottom locating surface 31, first side-locating face 32 and the second side-locating face 33, bottom locating surface 31 contacts with tool rest 2 locates, first side-locating face 32 contacts with tool rest 2 and locates, second side-locating face 33 contacts with cutter hub 1 and locates, namely the second side-locating face 33 directly contacts with cutter hub 1 and locates, instead of contact with tool rest 2, therefore on the direction that the second side-locating face 33 contacts with cutter hub 1, the size of cutter can not increase because being provided with tool rest 2, all contact with tool rest 2 relative to two sides of blade in prior art and locate, rotary cutting tool size on the direction that the second side-locating face 33 contacts with cutter hub 1 can be reduced, in the present embodiment, the direction that second side-locating face 33 contacts with cutter hub 1 is that rotary cutting tool is radial, then cutter hub 1 diameter of rotary cutting tool can be set to smaller value, namely rotary cutting tool of the present invention can be the small-diameter cutter of band tool rest 2, expand the scope of application of rotary cutting tool, or when cutter hub 1 diameter is certain, set cutter groove 11 and the quantity of cutting tip 3 can be increased, namely the number of teeth of rotary cutting tool is increased, thus improve machining accuracy and the working (machining) efficiency of rotary cutting tool.
Except the present embodiment, the direction that the second side-locating face 33 contacts with cutter hub 1 can also be axial for rotary cutting tool, then can reduce the axial height size of rotary cutting tool, can expand the scope of application of rotary cutting tool equally.Namely the present invention adopts simple structure, solves the rotary cutting tool radial dimension being with tool rest 2 or the problem that axial height is large, the scope of application is limited.
In the present embodiment, cutter groove 11 comprises bottom supporting face 111, rear support face 112, collateral bearing surface 113 and the recessed surface 114 concaved from collateral bearing surface 113, tool rest 2 comprises bottom surface 21, rear end face 22 and medial surface 23, bottom surface 21 contacts with bottom supporting face 111 and locates, rear end face 22 contacts with rear support face 112 and locates, medial surface 23 embeds cutter hub 1 and contacts with recessed surface 114 and locates, second side-locating face 33 contacts with collateral bearing surface 113 and locates, namely cutting tip 3 contacts with cutter hub 1 in radial direction, the medial surface 23 of tool rest 2 embeds in cutter hub 1, add the positioning intensity of tool rest 2.
In the present embodiment, the strip that bottom supporting face 111 is provided with the setting of multiple adjustment direction along cutting tip 3 is recessed, bottom surface 21 is provided with corresponding strip projected parts recessed with the strip on bottom supporting face 111, it is recessed that rear support face 112 is provided with multiple strip, rear end face 22 is provided with corresponding strip projected parts recessed with the strip on rear support face 112, strip projected parts is set and strip is recessed, increase the contact area of contact location, improve positioning precision, when there is gap when between the connecting hole on connector 5 and tool rest 2, the change of actual location angle between the recessed collateral bearing surface 113 with avoiding coordinating between projection due to the stressed tool rest 2 that causes and cutter groove 11 by strip, and avoid the change of actual location angle between the collateral bearing surface 113 due to tool rest 2 and cutter groove 11 and the angle of the cutting tip 3 horizontal direction cutting edge caused changes and causes affecting cutting effect, strip is recessed to be trapezoidal with cross section that is strip projected parts, and namely trapezoid cross section has higher intensity, is convenient to again processing, and except trapezoidal, strip is recessed can also be other shapes such as triangle with cross section that is strip projected parts.
In the present embodiment, tool rest 2 also comprises guiding mechanism 24, guiding mechanism 24 comprises the adjustment block 242 of adjustment screw 241 and band elastic groove, first side-locating face 32 contacts with adjustment block 242, by regulating adjustment screw 241 to screw in the position of the depth adjustment cutting tip 3 of elastic groove, realizes adjustable at axial location of cutting tip 3, meet the requirement of machining accuracy, except structure in the present embodiment, guiding mechanism 24 can also be other forms, will not enumerate herein.
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 (6)
1. a rotary cutting tool, comprise cutter hub (1), tool rest (2) and cutting tip (3), the head outer of described cutter hub (1) is provided with cutter groove (11), described tool rest (2) is arranged in described cutter groove (11) by connector (5), described tool rest (2) is provided with blade installation slot (6), described cutting tip (3) is arranged in described blade installation slot (6) by securing member (4), described cutting tip (3) comprises bottom locating surface (31), first side-locating face (32) and the second side-locating face (33), it is characterized in that: described bottom locating surface (31) contacts with tool rest (2) and locates, described first side-locating face (32) contacts with described tool rest (2) and locates, described second side-locating face (33) contacts with described cutter hub (1) and locates.
2. rotary cutting tool according to claim 1, it is characterized in that: described cutter groove (11) comprises bottom supporting face (111), rear support face (112), collateral bearing surface (113) and the recessed surface (114) concaved from described collateral bearing surface (113), described tool rest (2) comprises bottom surface (21), rear end face (22) and medial surface (23), described bottom surface (21) contacts with described bottom supporting face (111) and locates, described rear end face (22) contacts with described rear support face (112) and locates, described medial surface (23) embeds described cutter hub (1) and close to described recessed surface (114), described second side-locating face (33) contacts with described collateral bearing surface (113) and locates.
3. rotary cutting tool according to claim 2, it is characterized in that: the strip that described bottom supporting face (111) is provided with the setting of multiple adjustment direction along cutting tip (3) is recessed, and described bottom surface (21) are provided with corresponding strip projected parts recessed with the strip on bottom supporting face (111).
4. rotary cutting tool according to claim 3, is characterized in that: it is recessed that described rear support face (112) is provided with multiple strip, and described rear end face (22) is provided with corresponding strip projected parts recessed with the strip on rear support face (112).
5. rotary cutting tool according to claim 4, is characterized in that: described strip is recessed to be trapezoidal with cross section that is strip projected parts.
6. rotary cutting tool according to any one of claim 1 to 5, it is characterized in that: described tool rest (2) also comprises guiding mechanism (24), described guiding mechanism (24) comprises the adjustment block (242) of adjustment screw (241) and band elastic groove, described first side-locating face (32) contacts with described adjustment block (242), by the position regulating described adjustment screw (241) to screw in the depth adjustment cutting tip (3) of described elastic groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510156646.3A CN104759646B (en) | 2015-04-03 | 2015-04-03 | A kind of rotary cutting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510156646.3A CN104759646B (en) | 2015-04-03 | 2015-04-03 | A kind of rotary cutting tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104759646A true CN104759646A (en) | 2015-07-08 |
| CN104759646B CN104759646B (en) | 2017-11-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510156646.3A Active CN104759646B (en) | 2015-04-03 | 2015-04-03 | A kind of rotary cutting tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104759646B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109605584A (en) * | 2018-12-28 | 2019-04-12 | 嘉善佳腾自润滑材料厂 | A kind of graphite column diced system |
| CN113649605A (en) * | 2021-07-05 | 2021-11-16 | 张洁泓 | Composite coating PCBN cutting tool and preparation method thereof |
| US20220001458A1 (en) * | 2020-07-02 | 2022-01-06 | Iscar, Ltd. | Replaceable tool head having serrated coupling portions and a tool holder therefor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2077756A1 (en) * | 1970-02-11 | 1971-11-05 | Dumas Pierre | |
| DE3714055A1 (en) * | 1986-05-23 | 1987-11-26 | Muellheim Ag Utilis | Turning tool with an interchangeable indexable insert |
| CN1418139A (en) * | 2000-01-27 | 2003-05-14 | 桑德维克公司 | Slotting cutter and cutting insert there to |
| CN102015172A (en) * | 2008-05-08 | 2011-04-13 | 钴碳化钨硬质合金公司 | Tool for turning/turn broaching or external milling of work pieces |
| JP2014233809A (en) * | 2013-06-04 | 2014-12-15 | 住友電工ハードメタル株式会社 | Rotary cutting tool |
-
2015
- 2015-04-03 CN CN201510156646.3A patent/CN104759646B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2077756A1 (en) * | 1970-02-11 | 1971-11-05 | Dumas Pierre | |
| DE3714055A1 (en) * | 1986-05-23 | 1987-11-26 | Muellheim Ag Utilis | Turning tool with an interchangeable indexable insert |
| CN1418139A (en) * | 2000-01-27 | 2003-05-14 | 桑德维克公司 | Slotting cutter and cutting insert there to |
| CN102015172A (en) * | 2008-05-08 | 2011-04-13 | 钴碳化钨硬质合金公司 | Tool for turning/turn broaching or external milling of work pieces |
| JP2014233809A (en) * | 2013-06-04 | 2014-12-15 | 住友電工ハードメタル株式会社 | Rotary cutting tool |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109605584A (en) * | 2018-12-28 | 2019-04-12 | 嘉善佳腾自润滑材料厂 | A kind of graphite column diced system |
| CN109605584B (en) * | 2018-12-28 | 2024-05-24 | 嘉善佳腾自润滑材料厂 | Graphite column cutting system |
| US20220001458A1 (en) * | 2020-07-02 | 2022-01-06 | Iscar, Ltd. | Replaceable tool head having serrated coupling portions and a tool holder therefor |
| US11577323B2 (en) * | 2020-07-02 | 2023-02-14 | Iscar, Ltd. | Replaceable tool head having serrated coupling portions and a tool holder therefor |
| CN113649605A (en) * | 2021-07-05 | 2021-11-16 | 张洁泓 | Composite coating PCBN cutting tool and preparation method thereof |
| CN113649605B (en) * | 2021-07-05 | 2024-06-18 | 湖南唐力新材料科技有限公司 | Composite coating PCBN cutting tool and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104759646B (en) | 2017-11-03 |
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