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Quick manual too-changing mechanism of numerical-controlled milling machine

A tool changing mechanism and CNC milling machine technology, which is applied in the direction of milling machine equipment, milling machine equipment details, metal processing machinery parts, etc., can solve the problems of high labor intensity, low tool change efficiency, inconvenient use, etc., and reduce labor intensity. Manufacturing cost and use cost, the effect of easy tool change

Inactive Publication Date: 2009-05-06
ANHUI CHIZHOU HOUSEHOLD MACHINE TOOL
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of this invention is to provide a new type of fast manual tool change mechanism for CNC milling machines to solve the problems of inconvenient use, complex structure, low tool change efficiency and high labor intensity of the current CNC milling machine tool change mechanism

Method used

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  • Quick manual too-changing mechanism of numerical-controlled milling machine

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Embodiment Construction

[0011] A rapid manual tool change mechanism for a CNC milling machine, comprising a tool changer seat 1, an opening at the lower end of the tool changer seat 1, a ring platform on the inner wall of the opening, and a slide-fit ejector rod 4 inside the opening, the ejector rod 4 There is a rotatable cam 2 on the top, and the cam 2 is fixedly connected with a tool change handle 3. The upper end of the ejector rod 4 has a ring edge, and the outer cover of the ejector rod is equipped with a first spring 5, and the upper end of the first spring 5 is pressed against the ejector rod 4. On the ring edge of the upper end, the lower end of the first spring 5 is pushed against the ring platform in the opening; there is a main shaft 9 under the tool changer seat 1, and there is a stepped hole in the main shaft 9, and a pull rod 11 is located under the ejector rod 4 in the stepped hole , the lower part of the pull rod 11 is slidingly matched with the step hole, the upper end of the pull rod...

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Abstract

The invention relates to a quick manual tool changing mechanism of a numerical control milling machine, which comprises a tool holder. A cam is installed on the holder, a tool-changing handler is connected to the cam, a mandril is arranged on the lower part of the cam, a bolt connected to the end of the mandril around which springs are provided, a spindle is arranged on the lower part of the tool holder, a pull rod which is on the relative position to the spindle is sleeved inside the spindle, disk springs are provided around the upper end of the pull rod, the upper end of the pull rod is connected with the spindle by locknuts, a cutter fixed seat is connected to the end part of the pull rod, and a taper hole at the end of the spindle is led to the cutter fixed seat. The device greatly reduces the manufacturing and using cost, improves tool changing efficiency of manual changing mechanism simultaneously, and reduces working intensity of labors. The mechanism is not only characterized in high efficiency and low working intensity of a pneumatic tool changing mechanism, but also in simple structure and lower cost of the manual tool changing mechanism.

Description

technical field [0001] The invention relates to a tool changing mechanism, in particular to a fast manual tool changing mechanism for a numerically controlled milling machine. Background technique [0002] The CNC milling machine can complete the processing of milling, drilling, expanding, boring, reaming and tapping. Its processing efficiency is usually 3-4 times that of ordinary machine tools such as ordinary milling machines, ordinary boring machines, and ordinary drilling machines. The machining accuracy is much higher than ordinary machine tools. It is suitable for processing various discs, shells and box parts, and is suitable for medium and small batches and multi-variety production. Therefore, it is widely used in production, maintenance and teaching. Especially in foreign countries, it is more widely used in teaching and family. At present, the tool change mechanism of economical CNC milling machines usually adopts two methods: one is to use the pneumatic tool c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q3/157B23C9/00
Inventor 陈华生
Owner ANHUI CHIZHOU HOUSEHOLD MACHINE TOOL
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