Abstract
Currently, the spring machine tool is fixed by means of manual clamping and positioning by bolts. The automation of the tool change is low, and the accurate value of the tool position cannot be determined. The automatic tool change system for spring machine was designed by using the standard functional parts of the automatic tool change system of the machining center. It mainly includes the design of the automatic loose clamp device and that of the multispindle automatic tool change arm. After static analysis, the deformation of the automatic tool change arm is 0.153 mm, which satisfies the requirements for usage. Kinematic analysis of the designed automatic tool change arm was carried out. After actual verification, the designed automatic tool change system of spring machine realizes the functions of the tools automatic replacement and positioning of the spring machine, which improves the automation of the spring forming equipment.
Highlights
With the continuous development of manufacturing technology, the automation in the field of machinery continues to improve
Due to the introduction of the automatic tool magazine system, the metal cutting machine tool realizes the functions of automatically storing tools and tool change in the automatic machining process
Various machining processes such as milling, boring, drilling, and tapping can be completed through the control of the CNC system. e change of different tools greatly improves the efficiency of parts processing and shortens the processing time [1,2,3]
Summary
With the continuous development of manufacturing technology, the automation in the field of machinery continues to improve. E spring forming is realized by installing different tools on each sliding seat using multiaxis interpolation control technology. E tool needs to be manually replaced when it wears, and the relative position of the tool, the wire, and the mandrel after manual replacement of the tools with different functions and shapes cannot be determined. It requires recommission of the spring forming program, which is very inconvenient. Erefore, an automatic tool change system is designed for the multistation spring forming machine It can determine the exact relative position of the tool and realize the automatic replacement of the spring tool. It can determine the exact relative position of the tool and realize the automatic replacement of the spring tool. ereby, it provides a basis for further realizing the digital programming technology of the spring and improving the level of manufacturing equipment of the spring parts
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