Roll ball high-speed milling electric main shaft

A high-speed milling and electro-spindle technology, which can be applied to milling devices, milling machine equipment, clamping and other directions that can be installed on machine tools. Small, reliable performance

Inactive Publication Date: 2012-06-13
GUANGZHOU HAOZHI ELECTROMECHANICAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the prior art, the stator of the general electric spindle uses a non-variable frequency power supply, so the working speed of the rotor cannot be changed, the function is single, and the rotor is easily damaged under rapid starting, which affects the service life of the electric spindle. In addition, for special belt For the electric spindle required by the milling function, ...

Method used

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  • Roll ball high-speed milling electric main shaft
  • Roll ball high-speed milling electric main shaft
  • Roll ball high-speed milling electric main shaft

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] according to figure 1 , figure 2 , image 3 and Figure 4 As shown, the present invention includes a tool change cylinder assembly 2 with a pipe joint 1, an aluminum water jacket assembly 3 with a power cord, an air source hole and a cooling water source interface, an upper bearing lock nut 17, and an air cylinder assembly 2 inside. The body assembly 9 of the road channel and the cooling water channel, wherein the head of the tool change cylinder assembly 2 is fixed in the rear inner cavity of the aluminum water jacket assembly 3, and the front end of the body assembly 9 is fixed with the lower cover 12 and the dust cover 14 of the body. There is a shaft core assembly 7 passing through the through holes of the upper bearing assembly 6, the stator 8 and the lower bearing assembly 10, and the axial through hole of the shaft core assembly 7 is provided with a pull rod assembly 4, a pull claw assembly 11 and a knife assembly from top to bottom. The handle assembly 13 is...

Embodiment 2

[0030] Same as Embodiment 1, except that the shaft section 7.1 below the shaft shoulder sleeve 7.2 on the shaft core body of the shaft core assembly 7 is fixed with a copper squirrel cage rotor 7.3.

Embodiment 3

[0032] Same as embodiment 1, except that the upper bearing assembly (6) includes bearing housing outer ring 5.1, bearing housing inner ring 5.3 is fixed in the inner cavity of bearing housing outer ring 5.1, bearing housing outer ring 5.1 and bearing housing inner ring The gap between 5.3 is provided with water circulation tank 5.2.

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PUM

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Abstract

The invention relates to a roll ball high-speed milling electric main shaft, in particular to an electromechanically-integrated main shaft device which integrates a rolling bearing, a cooling device, an automatic cutter changing system and a motor driver. An upper bearing component (6) is fixed in an internal through hole of an upper bearing seat component (5) through an upper bearing locking nut (17); the front end of a step of the upper bearing seat component (5) is fixed together with the rear end of a machine body component (9); a lower bearing pressing ring (16) is fixed at the front end of a lower bearing component (10) through a lower bearing locking nut (15); and an encoder (18) for measuring rotating speeds is fixed at the rear end of a shaft core main body of a shaft core component (7). The electric main shaft has an adjustable rotating speed, high accuracy at a high rotating speed, advantages of insufficient axial and radial rigidity and the like and long service life and is convenient to popularize and apply.

Description

technical field [0001] The invention relates to a mechanical processing equipment, in particular to a mechatronic spindle device integrating a rolling bearing, a cooling device, an automatic tool changing system and a motor drive. Background technique [0002] In the prior art, the stator of the general electric spindle uses a non-variable frequency power supply, so the working speed of the rotor cannot be changed, the function is single, and the rotor is easily damaged under rapid start, which affects the service life of the electric spindle. In addition, for special belt For the electric spindle required by the milling function, the supporting force provided by the bearing is insufficient, so that the axial and radial directions of the spindle have sufficient rigidity when the spindle is running at high speed. Furthermore, many sundries such as sewage and cutting chips easily enter the main shaft during milling, which will block the interior of the main shaft and seriously...

Claims

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Application Information

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IPC IPC(8): B23B19/02B23Q3/157B23Q11/12B23Q11/00
CPCB23Q2220/006B23Q5/10B23Q1/70B23C7/00B23Q11/12
Inventor 汤秀清
Owner GUANGZHOU HAOZHI ELECTROMECHANICAL
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