Numerically-controlled horizontal-gantry fixed-girder milling machine for cycloid gears

A technology of cycloidal gears and fixed beams, which is applied to milling machine equipment, belts/chains/gears, gear teeth, etc., can solve the problems of inability to hob cycloidal gears with a small number of teeth, low precision, and low machining accuracy, so as to maintain high Accuracy and stability, accurate indexing and positioning, and the effect of improving processing efficiency

Active Publication Date: 2014-04-16
NANJING UNIV OF TECH +1
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  • Abstract
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Problems solved by technology

[0003] 1. Cutting with specially designed cycloidal high-speed steel hob is limited by the linear speed of the tool and the rigidity of the machine tool, and the overall hobbing efficiency is low, resulting in the disadvantages of a large number of investment equipment, a large number of operators, and a large floor area.
[0004] 2. Due to the limitation of hobbing meshing principle, it is impossible to hob cycloidal gears with a small number of

Method used

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  • Numerically-controlled horizontal-gantry fixed-girder milling machine for cycloid gears
  • Numerically-controlled horizontal-gantry fixed-girder milling machine for cycloid gears
  • Numerically-controlled horizontal-gantry fixed-girder milling machine for cycloid gears

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Embodiment Construction

[0033] The present invention will be further described below in conjunction with accompanying drawing:

[0034] Such as figure 1 As shown, the CNC horizontal gantry fixed beam cycloidal gear milling machine of the present invention consists of a bed 10, a column 1, a rectangular workbench 16, a fixed beam 2, a milling spindle box 7, a disc milling cutter 8, and a vertical rotary indexing work Table 15, tail thimble support 11, cooling system, control system and other parts.

[0035] The bed 10 is installed on the foundation, and the upper side of the bed 10 is processed with a "one mountain and one moment" guide rail, which forms a composite sliding guide rail with the guide rail below the rectangular worktable 16, constraining all degrees of freedom except the axial movement of the workpiece. An X-axis axial feed system 9 is provided between the bed 10 and the rectangular worktable 16, and a linear feed servo system is formed by a servo motor, a planetary reducer, a bearing ...

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Abstract

A numerically-controlled horizontal-gantry fixed-girder milling machine for cycloid gears is characterized in that the milling machine comprises a machine body (10), a stand column (1), a rectangular workbench (16), a fixed girder (2), a milling spindle box (7), a disc milling cutter (8), a vertical rotary indexing table (15) and a tail-ejector-pin support (11). The numerically-controlled horizontal-gantry fixed-girder milling machine is optimized in structure, convenient to operate, high in processing efficiency, applicable to processing the cycloid gears with few teeth, high in performance-cost ratio and applicable to processing of various batches of the cycloid gears in the cycloid speed reducer industry; when different shaping cutters are replaced, the milling machine is also applicable to other shaft parts, such as splines and motor rotor slots, in need of slotting; on the condition of same input-output ratio, user investment and occupation area are reduced, and equipment application range is widened.

Description

technical field [0001] The invention belongs to the field of advanced manufacturing, and relates to a cycloidal gear processing machine tool, in particular to a numerically controlled horizontal gantry fixed beam cycloidal gear milling machine. In particular, it relates to single-index forming milling of cycloidal gears by using a numerically controlled horizontal gantry fixed-beam machine tool. Background technique [0002] The hobbing of cycloidal gears by ordinary hobbing machines is the main method of processing cycloidal gears at present, but there are some problems in this method: [0003] 1. Cutting with specially designed cycloidal high-speed steel hob is limited by the linear speed of the tool and the rigidity of the machine tool, and the overall hobbing efficiency is low, resulting in the disadvantages of a large number of investment equipment, a large number of operators, and a large floor area. [0004] 2. Due to the limitation of hobbing meshing principle, it i...

Claims

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Application Information

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IPC IPC(8): B23F1/06B23C5/08
CPCY02P70/10
Inventor 方成刚黄筱调洪荣晶于春建
Owner NANJING UNIV OF TECH
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