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CN-224209172-U - Double-blade misplacement cutting round nose milling cutter

CN224209172UCN 224209172 UCN224209172 UCN 224209172UCN-224209172-U

Abstract

The utility model discloses a double-edge dislocation cutting round nose milling cutter, which comprises a supporting plate, a transmission rod, a supporting plate, a limiting plate, a linkage toothed plate, a round nose milling cutter and a linkage adjusting mechanism, wherein the supporting plate is fixed on an external machine tool, the transmission rod is rotationally connected to the supporting plate, the supporting plate is rotationally connected to one end of the transmission rod, the limiting plate is fixed on one side of the supporting plate, the linkage toothed plate is slidably clamped in the limiting plate, and the round nose milling cutter is arranged at one end of the linkage toothed plate. The utility model has the beneficial effects that through the structure that the first cam and the second cam are synchronously linked with the transmission rod in the linkage adjusting mechanism and by combining the phase difference design of cam curves, the driven fluted disc is meshed and linked with the linkage toothed plate, so that the axial adjustment of the round nose milling cutter is realized, meanwhile, the second abutting plate rotates to drive the supporting plate to deflect, the radial adjustment of the round nose milling cutter is realized, and the axial feeding and the radial compensation movement are coupled to a single driving system, so that the continuous track control of the milling path is realized.

Inventors

  • XU HAO
  • Qin Weishun
  • Tang Chengchong

Assignees

  • 常州其潜工具有限公司

Dates

Publication Date
20260508
Application Date
20250523

Claims (6)

  1. 1. The utility model provides a double-edged dislocation cutting round nose milling cutter, includes backup pad (1), transfer line (2), carrier plate (3), limiting plate (4), linkage pinion rack (5), round nose milling cutter (6) and linkage adjustment mechanism (7), its characterized in that, backup pad (1) are fixed on outside lathe, transfer line (2) rotate and connect on backup pad (1), carrier plate (3) rotate and connect in transfer line (2) one end, limiting plate (4) are fixed in carrier plate (3) one side, linkage pinion rack (5) slip joint is in limiting plate (4), round nose milling cutter (6) set up in linkage pinion rack (5) one end; The linkage adjustment mechanism (7) is arranged on the supporting plate (1), the linkage adjustment mechanism (7) comprises an axial adjustment unit and a radial adjustment unit, the axial adjustment unit comprises a first cam (71), a first supporting rod (72) and a driven fluted disc (73), the first cam (71) is fixed on the transmission rod (2), one ends of the first supporting rod (72) and the driven fluted disc (73) are mutually fixed, the fixed ends of the first supporting rod and the driven fluted disc are rotationally connected to the supporting plate (1), the other end of the first supporting rod (72) is in sliding butt with the edge of the first cam (71), and the driven fluted disc (73) is meshed with the linkage toothed plate (5).
  2. 2. The double-edged offset cutting round nose milling cutter according to claim 1, wherein the radial adjusting unit comprises a second cam (74), a second abutting plate (75) and a sliding seat (76), the second cam (74) is fixed on the transmission rod (2) and is located on one side of the first cam (71), one end of the second abutting plate (75) is rotatably connected to the supporting plate (1), the other end of the second abutting plate is slidably abutted to the edge of the second cam (74), the sliding seat (76) is rotatably connected to the center of the second abutting plate (75), and the driven fluted disc (73) is slidably clamped in the sliding seat (76).
  3. 3. The double-edged misplaced cutting round nose milling cutter according to claim 2, wherein the connecting end of the second abutting plate (75) and the supporting plate (1), the fixed ends of the first abutting plate (72) and the driven fluted disc (73) are respectively provided with a torsion spring (77).
  4. 4. The double-edge misplacement cutting round nose milling cutter according to claim 1, wherein one end of the linkage toothed plate (5) and one end of the round nose milling cutter (6) are respectively provided with a butt joint disc, and two adjacent butt joint discs are detachably connected through bolts.
  5. 5. The double-edge misplacement cutting circular nose milling cutter according to claim 1, wherein the circular nose milling cutter (6) adopts two circumferential cutting edges with helix angles of 20-40 degrees, and the two circumferential cutting edges are distributed in unequal intervals at alternating angles of 82 degrees and 98 degrees, and the double-edge misplacement layout is formed by combination.
  6. 6. A double-edged offset cutting nose-end mill according to claim 1, characterized in that the nose-end mill (6) deposits a multilayer TiAlN-TiN composite coating on the cutting edge surface.

Description

Double-blade misplacement cutting round nose milling cutter Technical Field The utility model relates to a round nose milling cutter, in particular to a double-edge misplacement cutting round nose milling cutter, and belongs to the technical field of round nose milling cutters. Background The round nose milling cutter is a cutter for cutting on a workpiece by using the milling cutter, a blade gear of the cutter is arc-shaped, the cutter is suitable for processing arc-shaped surfaces with different curvatures, cutting is realized by rotating and feeding the workpiece, the cutting angle of the round nose milling cutter is smaller, the stability of cutting force can be maintained, chip accumulation can be reduced, and the cutting precision and the processing surface quality are improved. However, in most of the existing round nose milling cutters, for example, in an integral hard alloy round nose milling cutter disclosed in publication No. CN218396129U, although the milling product is ensured not to leave flash by ultra-high sharpness, and a high-precision end round corner two-edge design is adopted, so that the product can be processed into a round nose shape at one time, and the surface has very excellent appearance quality, in the technical scheme and most of the existing technical schemes, the existing round nose milling cutter usually adopts a fixed mounting structure, and in the processing process, the machining can be realized only by means of axial feeding motion, when the width of a notch exceeds the cutting radius of the milling cutter, the machining can be finished by repeatedly moving a workpiece or integrally adjusting the position of a milling cutter supporting table, so that the machining efficiency is reduced and a cutter connecting mark is easy to generate. Disclosure of utility model The technical scheme of the utility model aims at solving the technical problem that the prior art is too single, provides a solution which is obviously different from the prior art, and particularly aims at solving the defects in the prior art and providing the double-edge misplacement cutting circular nose milling cutter. In order to achieve the above purpose, the present utility model adopts the following technical scheme: The utility model provides a double-edged dislocation cutting round nose milling cutter, includes backup pad, transfer line, carrier plate, limiting plate, linkage pinion rack, round nose milling cutter and linkage adjustment mechanism, the backup pad is fixed on outside lathe, the transfer line rotates to be connected in the backup pad, the carrier plate rotates to be connected in transfer line one end, the limiting plate is fixed in carrier plate one side, linkage pinion rack slip joint is in the limiting plate, round nose milling cutter sets up in linkage pinion rack one end; the linkage adjustment mechanism is arranged on the supporting plate, the linkage adjustment mechanism comprises an axial adjustment unit and a radial adjustment unit, the axial adjustment unit comprises a first cam, a first abutting rod and a driven fluted disc, the first cam is fixed on the transmission rod, one ends of the first abutting rod and the driven fluted disc are mutually fixed, the two fixed ends of the first abutting rod and the driven fluted disc are rotationally connected on the supporting plate, the other end of the first abutting rod is in sliding abutting connection with the edge of the first cam, and the driven fluted disc is meshed with the linkage toothed plate. As a still further scheme of the utility model, the radial regulating unit comprises a second cam, a second abutting plate and a sliding seat, wherein the second cam is fixed on the transmission rod and is positioned on one side of the first cam, one end of the second abutting plate is rotationally connected to the supporting plate, the other end of the second abutting plate is slidingly abutted to the edge of the second cam, the sliding seat is rotationally connected to the center of the second abutting plate, and the driven fluted disc is slidingly clamped in the sliding seat. As a still further scheme of the utility model, torsion springs are arranged at the connecting end of the second abutting plate and the supporting plate, and at the fixed ends of the first abutting plate and the driven fluted disc. As a still further scheme of the utility model, one end of the linkage toothed plate and one end of the round nose milling cutter are respectively provided with a butting disc, and two adjacent butting discs are detachably connected through bolts. As a still further scheme of the utility model, the circular nose milling cutter adopts two circumferential cutting edges with the helix angle of 20-40 degrees, and the two circumferential cutting edges are distributed in unequal intervals at the alternating angles of 82 degrees and 98 degrees, so that the double-edge dislocation layout is formed by combination. As a still further proposal of