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Rolling unloading device for machine tool

An unloading device and machine tool technology, applied in metal processing machinery parts, maintenance and safety accessories, metal processing equipment, etc., can solve the problems of polluting the environment, increasing costs, difficult adjustment and control, increasing multi-head pumps and hydraulic parts, etc., to eliminate The effect of machine crawling

Inactive Publication Date: 2011-02-02
WEIHAI HUADONG AUTOMATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Disadvantages of this mechanism: the multi-head pump and hydraulic part are added, and the cost is greatly increased; the structure is complex, there are too many related components, and the failure rate is high; the floating amount of the oil film changes, and it is difficult to adjust and control; the operating medium is hydraulic oil, which is easy to leak , pollute the environment and increase the cost

Method used

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  • Rolling unloading device for machine tool
  • Rolling unloading device for machine tool

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Experimental program
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Embodiment Construction

[0011] exist figure 1 In the present invention, before the moving part 1 is mounted on the fixed part 8, the fixing nut 3 is fixed on the moving part 1 through screw connection. Then the paired combination butterfly spring 5 is packed between the adjustment screw 2 and the positioning rod 4, the positioning rod 4 and the combination butterfly spring 5 can freely move a part of the distance in the adjustment screw 2, but can not be disengaged. Install the moving part 1 on the guide rail of the fixed part 8, after the adjusting screw rod 2 is raised to the uppermost end, pack into the bearing block 6 that a set of support type needle roller bearing 7 has been housed. Since the adjusting rod 2 and the bearing seat 6 are in spherical contact, stress and movement torsional deformation can be eliminated.

[0012] The last thing is to adjust the force, turn the adjusting screw 2 toward the guide rail, and compress the butterfly spring to deform, so that a part of the gravity of the ...

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Abstract

The invention relates to a rolling unloading device for a machine tool, belonging to the field of machine tools. The rolling unloading device is provided with a moving component and is characterized in that a fixed nut is connected and fixed on the moving component through a screw, well-paired combined belleville springs are arranged between an adjusting screw rod and a positioning rod, the positioning rod and the combined belleville springs can freely move to a certain distance in the adjusting screw rod, the moving component is arranged on a guide rail of a fixed component, and the lower end of the adjusting screw rod is provided with a bearing seat provided with a set of support type needle roller bearings. The rolling unloading device effectively prevents the machine tool from crawling, is simple and convenient since the deformation amount of the belleville springs is adjusted by manually operating the screw rod as well as economic and environment-friendly since operation mediums, such as guide rail oil, and the like are not required, and ensures that the two components are always jointed by the guide rail and the motion precision remains unchanged since part of gravity is shared.

Description

technical field [0001] The invention relates to the field of machine tools, in particular to a rolling unloading device for machine tools that eliminates machine tool crawling. Background technique [0002] As we all know, at present, in the machine tool industry, especially the slightly heavier machine tools, when moving, due to too much gravity, too high load, and too much frictional resistance, crawling is very easy to occur, which affects the motion accuracy of the machine tool. Today's more common practice: using static pressure technology, the multi-head pump generates cross-flow hydraulic oil to generate a floating oil film, thereby reducing the movement resistance. Disadvantages of this mechanism: the multi-head pump and hydraulic part are added, and the cost is greatly increased; the structure is complex, there are too many related components, and the failure rate is high; the floating amount of the oil film changes, and it is difficult to adjust and control; the o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q11/00
Inventor 王新利董天刚薛凯
Owner WEIHAI HUADONG AUTOMATION
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