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Self-locking pneumoelectric driving auxiliary supporting device

A technology of auxiliary support and pneumatic support, applied in positioning devices, clamping devices, supports, etc., can solve problems such as affecting the machining accuracy of parts, "elastic deformation and retreat of the surface of parts, hindering the elastic recovery of the surface of parts, etc., to ensure clean production. , reliable performance, non-polluting performance

Active Publication Date: 2015-06-10
JIANGSU HENGLI MACHINE TOOL
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the traditional auxiliary support device is inclined iron elastic auxiliary support. When processing parts with poor rigidity, slight cutting vibration will cause the surface of the part to "elastically deform and retreat".
The inclined iron mechanism is a typical force-increasing self-locking mechanism. Under the action of the spring force, the support rod advances, hindering the elastic recovery of the surface of the part, thus affecting the machining accuracy of the part

Method used

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  • Self-locking pneumoelectric driving auxiliary supporting device
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  • Self-locking pneumoelectric driving auxiliary supporting device

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Effect test

Embodiment Construction

[0022] The invention is composed of a pneumatic support mechanism, a spring locking mechanism and an electric unlocking mechanism.

[0023] The pneumatic support mechanism includes a cylinder (5), a pressure rod (8), an opening guide sleeve (9) and a pressure head (12), the pressure rod (8) is driven by the cylinder (5) to move linearly, and the pressure rod (8) The outer side is provided with the opening guide sleeve (9) that can hug tightly or loosen the depression bar (8). The pressing rod (8) is supported on the fixed seat (3) by the opening guide sleeve (9) and the guide seat (4). The cylinder (5) is supported on the holder (3) by the cylinder block (6) and the support rod (7).

[0024] The spring locking mechanism includes an opening guide sleeve (9), a pull rod (16), a support sleeve (17), a disc spring assembly (18) and a nut (19), a support sleeve (17) and a disc spring assembly (18) It is arranged on the pull rod (16), and the disc spring assembly (18) is axially p...

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Abstract

The invention relates to a tool clamp of a combined machine tool, in particular to a self-locking pneumoelectric driving auxiliary supporting device which is composed of a pneumatic supporting mechanism, a spring locking mechanism and an electric unlocking mechanism. A supporting rod (8) in the pneumatic supporting mechanism supports a workpiece, and a jaw formed by a pull rod (16) and a supporting sleeve (17) in the spring locking mechanism elastically locks the supporting rod (8) and then is unlocked through an eccentric wheel (14), so that functions of auxiliary supporting, spring locking and electric unlocking are realized. The self-locking pneumoelectric driving auxiliary supporting device has the advantages that the device is small and adjustable in supporting force, stable and reliable in supporting position, high in workpiece machining accuracy and stable and adjustable in elastic locking force and does not change along with elastic deformation of a supporting face; a motor drives the eccentric wheel (14) to realize unlocking action, and conventional hydraulic driving is replaced, so that clean production is realized. The device can realize multipoint supporting.

Description

technical field [0001] The invention relates to a machining fixture for a combined machine tool, in particular to a self-locking pneumatic-electrically driven auxiliary support device. Background technique [0002] The purpose of the invention is to provide auxiliary support for parts with poor rigidity, so as to increase the stability and rigidity of the parts. [0003] At present, the traditional auxiliary support device is the inclined iron elastic auxiliary support. When processing parts with poor rigidity, slight cutting vibration will cause the surface of the part to "elastically deform and recede". The inclined iron mechanism is a typical force-increasing self-locking mechanism. Under the action of the spring force, the support rod advances, hindering the elastic recovery of the surface of the part, thus affecting the processing accuracy of the part. There is also a hydraulic thin-wall sleeve-type auxiliary support, which is driven by the hydraulic system. If the hyd...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q3/08
CPCB23Q3/08B23Q2703/04
Inventor 孙德洲李成辉郑联语吴大军
Owner JIANGSU HENGLI MACHINE TOOL
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