Centering tool for machining large diameter pinwheel pin holes

A large-diameter, tooling technology, used in positioning devices, metal processing equipment, metal processing machinery parts, etc., can solve the problem of uneven indexing of tooth holes along the indexing circle, low precision of wheel body concentricity, and vibration of equipment during operation. problem, to achieve the effect of convenient positioning, convenient workpiece clamping, and ensure the clamping accuracy

Active Publication Date: 2022-07-26
TIDFORE HEAVY IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, the concentricity accuracy of the pitch circle of the pin tooth hole and the wheel body is low, and the pitch of the tooth hole along the pitch circle is not uniform
In actual use, the transmission is not stable, the equipment runs with vibration, and the noise is loud.

Method used

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  • Centering tool for machining large diameter pinwheel pin holes
  • Centering tool for machining large diameter pinwheel pin holes

Examples

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Embodiment Construction

[0022] Specific embodiments of the present invention will be described in detail below. It should be understood that the specific embodiments described herein are only used to illustrate and explain the present invention, but not to limit the present invention.

[0023] figure 1 and figure 2 An embodiment of the centering tool for processing large-diameter pin wheel pin holes of the present invention is shown. The centering tool includes a fixed circular center platform 1, a rotary frame 3, a vertical rotary drive device 4, a pressing device 2 and a positioning device. Component 5. The fixed circle center platform 1 is used as a tooling body, which is fixedly installed on the processing site and used for clamping workpieces. The outer circle of the fixed center platform 1 is provided with a large gear. The pressing device 2 and the positioning assembly 5 are installed on the rotary frame 3. The pressing device 2 and the positioning assembly 5 are respectively located on op...

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PUM

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Abstract

The invention discloses a centering tool for machining pin holes of large-diameter pin wheels. The outer circle of the center platform is provided with a large gear, the pressing device and the positioning assembly are installed on the rotary frame, and the pressing device and the positioning assembly are respectively located on opposite sides of the large gear. The line points to the center of the index circle of the large gear, the pressing device is provided with pressing or loosening in the direction of the large gear along the center line of the pressing device, and the vertical rotary drive device is provided with a pinion, and the pinion is connected with the pinion. The large gear forms a gear pair, and the rotary frame is driven to rotate by the gear pair. The centering tooling used for machining the pin holes of large-diameter pin wheels of the present invention is suitable for workpieces whose outer contours are circular and the center of the outer circle can be used as a positioning reference, and can ensure the indexing of the workpiece wheel body and the machined pin teeth holes. Concentricity of circles.

Description

technical field [0001] The invention relates to the technical field of processing large-scale construction machinery rotating equipment, in particular to a centering tool used for processing a pin hole of a large-diameter pin wheel. Background technique [0002] The large-diameter pin-tooth transmission pair is widely used in large-scale construction machinery, especially the core transmission mechanism in large-scale rotary kiln, car dumper, door (bridge) (drum type) bucket wheel, fan-shaped stacker and other equipment. The pin wheel is the key part of the pin gear transmission pair, and the machining accuracy of the pin gear hole is the key factor for the smooth operation of the equipment. Due to the large contour of the workpiece, it exceeds the processing capacity of general-purpose machine tools, and the high cost of using large-scale machining center machine tools cannot be avoided. In addition, due to the large size of the workpiece, centering it on the machine bed (...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23Q3/06
CPCB23Q3/06
Inventor 孟庆耀肖红波
Owner TIDFORE HEAVY IND
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