A hydraulic gear grinding fixture capable of quickly replacing large-sized workpieces and its clamping method

A large-scale, workpiece-based technology, applied in the field of large-scale disc-shaped cylindrical gear grinding fixtures, to achieve high contact rigidity, firm clamping, and sensitive loosening effects

Active Publication Date: 2017-11-07
秦川机床工具集团股份公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problem of fast and accurate automatic clamping in the batch processing of large-scale disc gears, and to provide a hydraulic gear grinding fixture and its clamping method that can quickly replace large-scale workpieces (such as disc gears)

Method used

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  • A hydraulic gear grinding fixture capable of quickly replacing large-sized workpieces and its clamping method
  • A hydraulic gear grinding fixture capable of quickly replacing large-sized workpieces and its clamping method

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Embodiment Construction

[0022] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0023] see figure 1 , the hydraulic gear grinding fixture that can quickly replace large-sized workpieces according to the present invention includes a bracket 1, an oil cylinder base 2, a slip ring 3, a support ring 4, an elastic expansion sleeve 5, a tapered mandrel 6, a connecting plate 7, and an end cover 8. Round nut 9, connecting shaft 10, dense bead guide sleeve 11, centering seat 12 and piston 14. The support 1 is installed on the workbench base 16, the oil cylinder base 2 is installed and fixed on the rotating table 15, the rotating table 15 is supported on the workbench base 16, and the rotating table 15 can drive the oil cylinder base 12 to rotate. The piston 14 is installed in the oil cylinder base 2, the centering seat 12 is installed and fixed on the upper end of the oil cylinder base 2, the connecting shaft 10 is arranged on the hollow...

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Abstract

The invention provides a hydraulic gear grinding fixture capable of quickly replacing large-sized workpieces and its clamping method: including an oil cylinder base, a slip ring, a support ring, an elastic expansion sleeve, a tapered mandrel, a connecting disc, a connecting shaft, and a dense bead guide Sleeve, centering seat and piston, the oil cylinder base is installed on the rotating table, the slip ring and the oil cylinder base form two independent sealed annular oil chambers through radial cooperation, corresponding to the oil inlet A and B respectively, and the oil cylinder base is opened with oil Corresponding to the oil inlets A and B respectively, and leading to the upper and lower oil chambers of the piston respectively, the conical mandrel is connected with the piston through the connecting plate and the connecting shaft, and the centering seat and the conical mandrel are installed tightly The ball guide sleeve, the elastic expansion sleeve and the conical mandrel are coaxially installed and fixed on the upper end of the oil cylinder base. The clamping and loosening of the workpiece is realized by the hydraulic oil driving the piston to drive the conical mandrel to squeeze and relax the elastic expansion sleeve. , which can realize fast and automatic clamping of large-size gears, which improves the processing efficiency and the automation level of machine tools.

Description

technical field [0001] The invention relates to a gear grinding fixture for a gear grinding machine, in particular to a gear grinding fixture for a large-sized disc-shaped cylindrical gear. Background technique [0002] The rapid development of industries such as wind power, marine equipment, and military industry requires a large number of large-scale, high-precision hardened gears. For gears with the same specification and large batches, in order to improve the processing efficiency, in addition to using high-efficiency machine tools, it is necessary to be equipped with grinding fixtures that can quickly replace and clamp the gears. [0003] The current gear grinding fixtures mostly use manual positioning and clamping. On the one hand, the clamping force relies on manual adjustment, which is highly random, and it is difficult to ensure reliable clamping of large-sized workpieces; Requirements for mass processing of specification gears. At the same time, the clamping elem...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23F23/06
CPCB23F23/06
Inventor 郭召
Owner 秦川机床工具集团股份公司
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