Unloading type static-dynamic pressure shafting unit for machine tool

A technology for pressing shafts and machine tools, which is applied in metal processing mechanical parts, maintenance and safety accessories, metal processing equipment, etc., can solve the problems of the comprehensive accuracy of spindle rotation, reduce the rotation accuracy of the spindle, etc., to improve the rotation accuracy and improve the rotation accuracy. Effect

Active Publication Date: 2012-07-18
湖州三行轴承有限公司
View PDF9 Cites 1 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the existing shafting unit, in order to drive the main shaft to rotate, the power source drives the main shaft to rotate through the transmission wheel fixed at the rear end of the main shaft. When the main shaft is driven to rotate through the transmission wheel, because the transmission wheel is installed at the rear end of the main shaft, then The radial pulling force that the power source acts on the transmission wheel is inevitably transmitted to the main shaft, causing a radial runout of the main shaft, which affects the comprehensive precision of the main shaft rotation and reduces the rotation accuracy of the main shaft.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Unloading type static-dynamic pressure shafting unit for machine tool
  • Unloading type static-dynamic pressure shafting unit for machine tool
  • Unloading type static-dynamic pressure shafting unit for machine tool

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0037] Examples, see attached figure 1 , 2 , 3, 4; an unloading static and dynamic pressure shafting unit for machine tools, the shafting unit of the present invention can be used for machine tools or grinding machines, etc., this embodiment takes grinding machines as an example, but it is not limited thereto, it includes Spindle box 1, spindle 2. The spindle box is installed on the machine tool. At the same time, the spindle 2 is installed in the spindle box with two ends extending out. The rear end of the spindle is fixed with a transmission wheel 6 for connecting with an external power source. , to drive the main shaft to rotate, because in the present embodiment, a grinding machine is used as an example, so a grinding wheel 7 is installed on the front end of the main shaft, and if it is a lathe, a tool can be installed, because it is a known technology in the art, so it will not be described in detail here , the front bearing bush 3, the rear bearing bush 4 and the rear p...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention discloses an unloading type static-dynamic pressure shafting unit for a machine tool, which comprises a spindle box and a spindle. A front bearing bush, a rear bearing bush and a rear pressing sleeve are mounted on the spindle box, a conical section is arranged at the rear end of the spindle, a conical sleeve is fixed onto the conical section and provided with a connecting disk, the connecting disk is fixedly connected with the rear end face of a transmission wheel, the rear pressing sleeve is provided with an extension sleeve extending backwards, and a bearing matched with the transmission wheel is mounted on the expansion sleeve. The rotating accuracy of the spindle of the shafting unit can be greatly improved.

Description

technical field [0001] The invention relates to the field of precision machinery manufacturing, in particular to an unloading static and dynamic pressure shafting unit for machine tools. Background technique [0002] There are many factors that affect the accuracy of machined parts, but the most important one is the accuracy level of the machine tools (such as grinders, lathes, machining centers, etc.) that process mechanical parts. With the increasing requirements for the accuracy of machined parts High, the comprehensive rotation accuracy of the high-speed rotary spindle of the machine tool has also put forward higher and higher requirements. For example, the rotary spindle speed of some high-speed, high-power and high-precision CNC grinding machines and machining centers has reached more than 20000r / min. The rotation accuracy is required to be less than 0.2μm, or even higher. [0003] In the existing shafting unit, in order to drive the main shaft to rotate, the power so...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Applications(China)
IPC IPC(8): B23B19/02B23Q11/00
Inventor 陈仁波翁士扬孙振国
Owner 湖州三行轴承有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap