CN202239854U - Mosaic block type round angle molded line milling cutter - Google Patents
Mosaic block type round angle molded line milling cutter Download PDFInfo
- Publication number
- CN202239854U CN202239854U CN201120440650XU CN201120440650U CN202239854U CN 202239854 U CN202239854 U CN 202239854U CN 201120440650X U CN201120440650X U CN 201120440650XU CN 201120440650 U CN201120440650 U CN 201120440650U CN 202239854 U CN202239854 U CN 202239854U
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- cutter
- tooth
- groove
- blade
- cutter head
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- Expired - Fee Related
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Abstract
The utility model discloses a mosaic block type round angle molded line milling cutter and relates to a molded line milling cutter for processing a round angle so as to solve the problem of use cost increase of the cutter because the traditional round angle molded line milling cutter has an integrated structure and is integrally discarded after the cutter is abraded and chipped. Twelve cutter teeth are uniformly distributed on a cutter body along the circumference; each cutter tooth is provided with a front tooth surface and a rear tooth surface; a screw installation groove and a cutter head installation groove are arranged between every two adjacent cutter teeth; the screw installation groove and the cutter head installation groove are arranged between the rear tooth surface of the previous cutter tooth and the front tooth surface of the next cutter tooth in sequence; a cutter head is embedded into each cutter head installation groove; each cutter head comprises a blade seat and a blade; a blade groove is arranged on the blade seat; the blade is installed in the blade groove; each cutter pressing block is installed in the corresponding screw installation groove by a screw; a groove is arranged on the front tooth surface of each cutter tooth; a boss is arranged on the connecting surface on each blade seat corresponding to the groove; and the boss is arranged in the groove. The mosaic block type round angle molded line milling cutter is used for processing an inner hole round angle of a cylinder of a steam turbine.
Description
Technical field
The utility model relates to a kind of molded lines milling cutter that is used to process fillet.
Background technology
Fillet molded lines milling cutter is the dedicated tool of processing vapor turbine cylinder bores fillet molded lines; Existing cutter is a high-speed steel material overall structure, and the shortcoming of this cutter is: cutter is an overall structure, behind tool wear, tipping; Cutter integral body is scrapped, and causes the cutter expense to improve.
The utility model content
The purpose of the utility model is to be overall structure in order to solve existing fillet molded lines milling cutter, and integral body is scrapped behind tool wear, the tipping, and the problem that causes the cutter use cost to increase provides a kind of formula fillet molded lines milling cutter of inserting.
A kind of formula fillet molded lines milling cutter of inserting, its composition comprise cutter hub, 12 cutter heads, 12 pressure knife blocks and 12 screws, and said cutter hub is uniformly distributed along the circumference and is provided with 12 cutters tooth; The flank of tooth and the back flank of tooth before each cutter tooth is provided with, each cutter tooth is provided with the cutter tooth relief angle along cylindrical, and the center of cutter hub is provided with endoporus; Be arranged with two keyways in the endoporus, be provided with screw mounting groove and cutter head mounting groove between every adjacent two cutters tooth, set gradually between screw mounting groove and cutter head mounting groove the back flank of tooth to the preceding flank of tooth of a back cutter tooth by previous cutter tooth; Cutter head of insert in each cutter head mounting groove; Each cutter head is made up of blade bearing and blade, and blade bearing is provided with insert groove, and blade is installed in the insert groove; Each pressure knife block all is installed in the corresponding screw mounting groove through a screw; The preceding flank of tooth of each cutter tooth is provided with groove, and joint face corresponding with groove on each blade bearing is provided with boss, and boss is arranged in the groove.
The above-mentioned formula fillet molded lines milling cutter of inserting, the anterior angle of said each blade is 9 °, the relief angle of each blade is 9 °.
The above-mentioned formula fillet molded lines milling cutter of inserting, the outside end face of said each pressure knife block is an arc surface.
The utlity model has following beneficial effect:
Because the utility model adopts the assembling cutter head structure, after blade abrasion is scrapped, only need to change cutter head and get final product, solved the problem that the integral body of cutter is scrapped, reduced the cutter use cost.
Description of drawings
Fig. 1 is the overall structure front view of the utility model carbide alloy fillet molded lines milling cutter, and Fig. 2 is the vertical view of Fig. 1, and Fig. 3 is the structural front view of cutter hub 1; Fig. 4 is the vertical view of Fig. 3, and Fig. 5 is the structural front view of single cutter head 2, and Fig. 6 is the left view of Fig. 5; Fig. 7 is the vertical view of Fig. 5; Fig. 8 is the structural front view of single push type broach seat 3, and Fig. 9 is the left view of Fig. 8, and Figure 10 is the vertical view of Fig. 8.
The specific embodiment
Embodiment 1:
A kind of formula fillet molded lines milling cutter of inserting is seen Fig. 1～Figure 10, and its composition comprises 2,12 pressure knife blocks 3 of 1,12 cutter heads of cutter hub and 12 screws 4; Said cutter hub 1 is uniformly distributed along the circumference and is provided with 12 cutters tooth 5, the flank of tooth 6 and the back flank of tooth 7 before each cutter tooth 5 is provided with, and each cutter tooth 5 is provided with cutter tooth relief angle δ along cylindrical; Knife face is interfered behind the cutter head when avoiding cutting, and influences the workpiece crudy, and the center of cutter hub 1 is provided with endoporus 1-1; Endoporus 1-1 is used for being connected with outside knife bar, is arranged with two keyway 1-2 among the endoporus 1-1, and keyway 1-5 is used for transmitting moment of torsion with outside knife bar through key; Be provided with screw mounting groove 8 and cutter head mounting groove 9 between every adjacent two cutters tooth 5, set gradually cutter head 2 of insert in each cutter head mounting groove 9 between screw mounting groove 8 and cutter head mounting groove 9 the preceding flank of tooth 6 by the back flank of tooth 7 to a back cutter tooth of previous cutter tooth; Each cutter head 2 is made up of blade bearing 10 and blade 11; Blade bearing 10 is provided with insert groove 10-1, and blade 11 is installed among the insert groove 10-1, and blade 11 is integrally welded with blade bearing 10; Each pressure knife block 3 all is installed in the corresponding screw mounting groove 8 through a screw 4; The preceding flank of tooth 6 of each cutter tooth 5 is provided with groove 5-1, and joint face corresponding with groove 5-1 on each blade bearing 10 is provided with boss 10-2, and boss 10-2 is arranged among the groove 5-1.The same circumference uniform distribution in end face upper edge of cutter hub 1 is provided with four connecting hole 1-3, connecting hole 1-3 be used for outside knife bar through Connection Element be connected, tight.Pressure knife block 3 is used for cutter head 2 is pressed on cutter hub 1, and groove 5-1 is used for axial location cutter head 2, and the material of each blade 2-2 is a carbide alloy.
Embodiment 2:
The above-mentioned formula fillet molded lines milling cutter of inserting is seen Fig. 5～Fig. 7, and the anterior angle α of each blade 11 is 9 °, and the relief angle β of each blade 11 is 9 °.Other composition and annexation are identical with embodiment 1.
Embodiment 3:
The above-mentioned formula fillet molded lines milling cutter of inserting is seen Fig. 5～Fig. 7, and the outside end face of said each pressure knife block 3 is an arc surface.Design is connected with rake face is slick and sly in order to make pressure knife block 3 that the back is installed like this, and chip removal is smooth and easy when making cutting.Other composition and annexation are identical with embodiment 1.
Claims (3)
1. formula fillet molded lines milling cutter of inserting; Its composition comprises cutter hub (1), 12 cutter heads (2), 12 pressure knife blocks (3) and 12 screws (4); Said cutter hub (1) is uniformly distributed along the circumference and is provided with 12 cutters tooth (5), and each cutter tooth (5) is provided with the preceding flank of tooth (6) and the back flank of tooth (7), and each cutter tooth (5) is provided with cutter tooth relief angle (δ) along cylindrical; The center of cutter hub (1) is provided with endoporus (1-1); Be arranged with two keyways (1-2) in the endoporus (1-1), it is characterized in that: be provided with screw mounting groove (8) and cutter head mounting groove (9) between every adjacent two cutters tooth (5), set gradually between screw mounting groove (8) and cutter head mounting groove (9) the back flank of tooth (7) to the preceding flank of tooth (6) of a back cutter tooth by previous cutter tooth; A cutter head of insert (2) in each cutter head mounting groove (9); Each cutter head (2) is made up of blade bearing (10) and blade (11), and blade bearing (10) is provided with insert groove (10-1), and blade (11) is installed in the insert groove (10-1); Each pressure knife block (3) all is installed in the corresponding screw mounting groove (8) through a screw (4); The preceding flank of tooth (6) of each cutter tooth (5) is provided with groove (5-1), and each blade bearing (10) is gone up and is provided with boss (10-2) with the corresponding joint face of groove (5-1), and boss (10-2) is arranged in the groove (5-1).
2. according to the said formula fillet molded lines milling cutter of inserting of claim 1, it is characterized in that: the anterior angle (α) of said each blade (11) is 8 °～10 °, and the relief angle (β) of each blade (11) is 8 °～10 °.
3. according to claim 1 or the 2 said formula fillet molded lines milling cutters of inserting, it is characterized in that: the outside end face of said each pressure knife block (3) is an arc surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120440650XU CN202239854U (en) | 2011-10-23 | 2011-10-23 | Mosaic block type round angle molded line milling cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120440650XU CN202239854U (en) | 2011-10-23 | 2011-10-23 | Mosaic block type round angle molded line milling cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202239854U true CN202239854U (en) | 2012-05-30 |
Family
ID=46101156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120440650XU Expired - Fee Related CN202239854U (en) | 2011-10-23 | 2011-10-23 | Mosaic block type round angle molded line milling cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202239854U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102814831A (en) * | 2012-08-29 | 2012-12-12 | 中国石油大学(北京) | Stripping blade and stripping tool having same |
| CN108422022A (en) * | 2018-03-08 | 2018-08-21 | 西北工业大学 | A kind of blisk disk milling fluting three teeth of processing interlock cutter and application method |
-
2011
- 2011-10-23 CN CN201120440650XU patent/CN202239854U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102814831A (en) * | 2012-08-29 | 2012-12-12 | 中国石油大学(北京) | Stripping blade and stripping tool having same |
| CN102814831B (en) * | 2012-08-29 | 2014-10-08 | 中国石油大学(北京) | Stripping blade and stripping tool having same |
| CN108422022A (en) * | 2018-03-08 | 2018-08-21 | 西北工业大学 | A kind of blisk disk milling fluting three teeth of processing interlock cutter and application method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20121023 |