Search

CN-224222815-U - Ladder milling cutter for numerical control machining of high-temperature alloy

CN224222815UCN 224222815 UCN224222815 UCN 224222815UCN-224222815-U

Abstract

The utility model relates to a milling cutter field especially relates to a ladder milling cutter for numerical control processing superalloy, including installation axle, add major axis and blade; an extension shaft is arranged above the mounting shaft, and a plurality of groups of blades for cutting the high-temperature alloy are linearly sleeved outside the extension shaft and the mounting shaft; the utility model discloses a according to specific material characteristic and processing requirement condition, assemble installation axle and extension axle earlier, locate installation axle and extension axle outside with the blade cover simultaneously, after the adjustment finishes, can carry out fixed use, through adjustable ladder milling cutter structure, can set up the cutting thickness and the feeding of every sword tooth isoparametric in a flexible way according to superalloy's material characteristic and specific processing requirement, enable the cutter like this and keep best cutting state in cutting process, full play cutter's cutting performance, thereby improve cutting speed and feeding speed, reduce process time, improve machining efficiency.

Inventors

  • Long mingzhu
  • LIAO YUNLONG

Assignees

  • 东莞市长冶刀具有限公司

Dates

Publication Date
20260512
Application Date
20250423

Claims (7)

  1. 1. The stepped milling cutter for the numerical control machining of the high-temperature alloy comprises a mounting shaft (1) and is characterized by further comprising an extension shaft (2) and a blade (3), wherein the extension shaft (2) is arranged above the mounting shaft (1), a plurality of groups of blades (3) for cutting the high-temperature alloy are linearly sleeved outside the extension shaft (2) and the mounting shaft (1), a plurality of groups of mounting holes (102) are formed in the outer portions of the mounting shaft (1) and the extension shaft (2) in a linear ring mode, a fixed ring sleeve (301) is arranged in the middle of the blade (3), a plurality of groups of mounting bolts (302) penetrate through the upper side and the lower side of the fixed ring sleeve (301) in a surrounding mode, and the mounting bolts (302) penetrate through the fixed ring sleeve (301) to be in positioning connection with the mounting shaft (1) or the extension shaft (2) through the mounting holes (102).
  2. 2. The stepped milling cutter for numerical control machining of high-temperature alloys according to claim 1 is characterized in that a first circular clamping groove (101) is formed above the mounting shaft (1).
  3. 3. The stepped milling cutter for numerical control machining of high-temperature alloys according to claim 1 is characterized in that a thread groove (103) is formed in the inner wall below the mounting shaft (1).
  4. 4. The stepped milling cutter for numerical control machining of high-temperature alloys according to claim 1 is characterized in that a second circular clamping groove (201) is formed above the lengthened shaft (2), and a circular clamping block (202) is arranged at the lower end of the lengthened shaft (2).
  5. 5. The stepped milling cutter for numerical control machining of high-temperature alloys according to claim 4, wherein the circular clamping blocks (202) drive the lengthening shafts (2) to be in positioning connection with the mounting shafts (1) through the first circular clamping grooves (101), and the circular clamping blocks (202) drive one group of lengthening shafts (2) to be in positioning connection with the other group of lengthening shafts (2) through the second circular clamping grooves (201) on the other group of lengthening shafts.
  6. 6. The stepped milling cutter for numerical control machining of high-temperature alloys according to claim 4, wherein the middle part of the circular clamping block (202) is provided with a bolt sleeve (203) in a penetrating way, and a bolt rod (204) is sleeved inside the bolt sleeve (203).
  7. 7. The stepped milling cutter for numerically controlled processing of high-temperature alloys according to claim 1, wherein the fixed ring sleeve (301) is sleeved outside the mounting shaft (1) or the lengthening shaft (2).

Description

Ladder milling cutter for numerical control machining of high-temperature alloy Technical Field The utility model relates to the field of milling cutters, in particular to a stepped milling cutter for numerical control machining of high-temperature alloys. Background The numerical control machining is an advanced manufacturing technology for controlling the machining process by utilizing digital information, and the stepped milling cutter for numerical control machining of the superalloy is a cutter specially used for cutting superalloy materials in the numerical control machining process, and the cutter teeth are distributed in a stepped mode to obtain names, and the cutting edges of the cutter are arranged in a stepped mode along the axial direction. The existing ladder milling cutter mostly adopts an integrated structure, and because the high-temperature alloy material has high hardness, high strength and high processing difficulty, cutting parameters need to be adjusted according to specific material characteristics and processing requirements, if the cutter spacing is inconvenient to adjust, the cutting thickness, the feeding amount and other parameters of each cutter tooth cannot be flexibly changed, and the cutter is difficult to keep the optimal state in the cutting process, so that the cutting speed and the feeding speed are limited, and the processing time is prolonged. Therefore, for the existing ladder milling cutter mostly adopts an integrated structure, since the high-temperature alloy material needs to adjust cutting parameters according to the characteristics of the high-temperature alloy material, if the cutter distance is inconvenient to adjust, the lifting of the cutting speed and the feeding speed can be limited, the working efficiency is reduced, the ladder milling cutter for numerical control processing of the high-temperature alloy can be designed, and the applicability of the ladder milling cutter is improved by adopting an adjustable ladder milling cutter structure. Disclosure of utility model In order to overcome the problems that the existing ladder milling cutter mostly adopts an integrated structure, and because the high-temperature alloy material needs to adjust cutting parameters according to the characteristics of the high-temperature alloy material, if the cutter distance is inconvenient to adjust, the cutting speed and the feeding speed can be limited, and the working efficiency is reduced. The technical scheme is that the stepped milling cutter for numerical control machining of the high-temperature alloy comprises a mounting shaft, an extension shaft and blades, wherein the extension shaft is arranged above the mounting shaft, a plurality of groups of blades for cutting the high-temperature alloy are linearly sleeved outside the extension shaft and the mounting shaft, a plurality of groups of mounting holes are linearly formed in the outer parts of the mounting shaft and the extension shaft in a surrounding mode, a fixing ring sleeve is arranged in the middle of the blades, a plurality of groups of mounting bolts penetrate through the fixing ring sleeve in a surrounding mode, and the mounting bolts penetrate through the fixing ring sleeve and are connected with the mounting shaft or the extension shaft in a positioning mode through the mounting holes. Further, a first circular clamping groove is formed above the mounting shaft. Further, a thread groove is formed in the inner wall below the mounting shaft. Further, a second circular clamping groove is formed above the lengthening shaft, and a circular clamping block is arranged at the lower end of the lengthening shaft. Further, the circular clamping block drives the lengthening shafts to be in positioning connection with the mounting shafts through the first circular clamping grooves, and the circular clamping block drives one group of lengthening shafts to be in positioning connection with the other group of lengthening shafts through the second circular clamping grooves on the other group of lengthening shafts. Further, the middle part of the round clamping block is penetrated with a bolt sleeve, and the inside of the bolt sleeve is sleeved with a bolt rod. Further, the fixing ring is sleeved outside the mounting shaft or the lengthening shaft. According to the characteristics of specific materials and the actual conditions of processing requirements, the mounting shaft and the lengthening shaft are required to be assembled accurately, in the assembling process, the connection stability and the coaxiality of the mounting shaft and the lengthening shaft are ensured, meanwhile, the blades are carefully sleeved outside the mounting shaft and the lengthening shaft, the step requires careful operation, the mounting position of the blades is ensured to be accurate, the blades are closely attached to the shaft body, then, the distance between the blades is required to be carefully regulated, the relative position between each