Rapid cutter changing device for milling of inner molded surface of differential mechanism shell
A technology of tool changing device and inner surface, which is applied in the field of milling machining, can solve the problems of slow processing speed, low processing precision, and high scrap rate, and achieve the effects of reducing processing costs, simple and reasonable structure, and improving work efficiency
Inactive Publication Date: 2020-03-31
SHENYANG AEROSPACE UNIVERSITY
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Problems solved by technology
However, the processing of the inner surface of the differential housing is a difficult problem. The existing technology is to use a special special milling machine to process the inner surface with a centrifugal milling cutter. Due to the high manufacturing cost and few functions of the special milling machine, it can only be used for Processing of inner surface
There are problems such as slow processing speed, low processing accuracy, and high scrap rate, which lead to expensive differentials.
Method used
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[0018] refer to Figure 1-5 , a quick tool changing device for profile milling in a differential housing, comprising three parts: a tool changing mechanism, a cutter body and a milling cutter holder.
[0019] The tool changing mechanism includes a support 2 and a cutter head positioning seat 6 , and the cutter head positioning seat 6 slides inside the support 2 . Its specific structure is as Figure 1-3 As shown, the pull rod 12 is fixed on the bottom support 18 through a pin shaft, the bottom support 18 is fixed on the support 2 by bolts, the rotating shaft 14 is sleeved on the pull rod 12, the rotating sleeve 15 and the rotating shaft 14 are fixed, and the rotating sleeve 15 passes through The rolling bearing 16 is connected with the pull rod 17 . The upper part of the support 2 is a cylinder with a chute, and the cylindrical pull rod B17 passes through the chute and enters the cylinder of the support 2, and is connected with the retaining ring 5 through a circular groove,...
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The invention relates to a rapid cutter changing device for milling of an inner molded surface of a differential mechanism shell and belongs to the field of milling machining. The device comprises a cutter changing mechanism, a cutter body and a milling cutter bar, wherein the cutter changing mechanism comprises a support, a cutter bit positioning seat, a pull rod A, a pull rod B and a bottom support, the pull rod A is fixed on the bottom support through a pin shaft, the bottom support is fixed on the support through a bolt, the milling cutter bar is in threaded connection with the cutter body, an upper portion of the cutter body is an arc-shaped blade, a circular through hole is formed in the middle of the arc-shaped blade, a lower half portion of the through hole is provided with threads, and the cutter body is fixed to a right end of the cutter head positioning seat and the cutter bar positioner through a kidney-shaped boss on the lower half portion of the cutter body. The device isadvantaged in that an inner molded surface of a differential mechanism shell can be milled through a common milling machine, the cutter changing speed is high, machining precision is high, machiningcost is reduced, working efficiency is improved, and good popularization prospects are achieved.
Description
technical field [0001] The invention belongs to the field of milling machining, and in particular relates to a quick tool change device for profile milling in a differential case, which is mainly used in ordinary milling machines for processing automobile differentials and other components. Background technique [0002] The differential is set up to adjust the speed difference between the left and right wheels. The car differential is mainly to eliminate the mechanical interference caused by the inconsistent speed of the left and right wheels when the car is turning. If there is no differential, the speed of the left and right wheels will be inconsistent. result in mechanical damage. Differentials are an integral part of a car. However, the processing of the inner surface of the differential housing is a difficult problem. The existing technology is to use a special special milling machine to process the inner surface with a centrifugal milling cutter. Due to the high manuf...
Claims
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IPC IPC(8): B23C3/00B23C9/00B23Q3/155
CPCB23C3/00B23C9/00B23Q3/155
Inventor 秦政琪邹爱丽张瑜刘云雷
Owner SHENYANG AEROSPACE UNIVERSITY