A horizontal double-head vertically movable milling device

Abstract

The invention relates to the technical field of mechanical processing, and discloses a horizontal double-head vertically movable milling device, which includes a workbench, a workpiece placement platform is arranged in the middle of the upper surface of the workbench, and one side of the upper surface of the workbench A rear support board is fixedly installed, and a lifting platform is arranged in front of the rear support board. The present invention achieves the functions of vibration reduction and torque consumption reduction through the vibration reduction device. A helical spring and a support rod are arranged at the bottom of the optical axis for vibration reduction. The helical spring deforms back and forth on the support rod to absorb the vibration frequency and gradually reduce the vibration In addition, the serpentine spring can also absorb the vibration frequency to reduce the vibration frequency. In addition, the torque transmitted by the rotation of the main shaft is transmitted to the half coupling at the front end, and the half coupling transmits the torque to the other half through the serpentine spring. The coupling increases the contact area between the serpentine spring and the U-shaped groove on the outer side of the half coupling by rotating, so as to increase the distribution range of torque and friction force, and reduce the local consumption of torque.

Description

technical field [0001] The invention relates to the technical field of mechanical processing, in particular to a horizontal double-head vertically movable milling device. Background technique [0002] In recent years, with the continuous development of the CNC lathe industry, the technology of using CNC lathes to process parts has become more and more mature. The milling device uses a rotating milling cutter to move on the workpiece to be processed. The rotating milling cutter can turn the surface of the workpiece The excess material is cut off, thereby grinding the workpiece into the desired shape. [0003] There are many types of milling cutters and milling machines for milling devices. In order to save efficiency and avoid wasting time when changing milling cutters, especially for some milling devices with relatively large milling heads, there are usually two milling heads, one One for rough milling and the other for finish milling to save time. [0004] Although the mi...

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Problems solved by technology

[0005] In this traditional installation method, there has always been a problem about dynamic balance. In the process of manual installation, there is a certain possibility that the milling cutter seat will be unbalanced. When the tool seat surface is unbalanced, The milling cutter will scratch the workpiece, and there may even be uneven grinding. In addition, when the spindle transmits the torque to the milling cutter seat, it may cause torque consumption. The formula T=9.55P / N (where T stands for torque, P stands for power, N stands for speed per minute), that is to say, under a certain power, the torque is inversely proportional to the speed, when the torque decreases, the speed will increase, which will cause If the speed is too fast, when the material of the workpiece is too hard, it will affect the service life of the tool. At the same time, the milling cutter will vibrate during milling. This milling vibration will affect the service life of the tool and the milling cutter bar

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