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Continuously variable curvature abrasive belt grinding tool head

A technology of abrasive belt grinding and variable curvature, which is applied in the direction of abrasive belt grinders, manufacturing tools, grinding/polishing equipment, etc. It can solve the problems of fixed contact wheel size, limited application range of abrasive belt grinding, and inability to adjust online. To achieve the effect of ensuring reliability

Inactive Publication Date: 2017-03-15
JILIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the size of the contact wheel in the traditional abrasive belt grinding machine tool is fixed and cannot be adjusted online, so that the traditional grinding tools can only process workpieces whose surface curvature changes within a certain range, which limits the application range of abrasive belt grinding.

Method used

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  • Continuously variable curvature abrasive belt grinding tool head
  • Continuously variable curvature abrasive belt grinding tool head
  • Continuously variable curvature abrasive belt grinding tool head

Examples

Experimental program
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Embodiment Construction

[0040] see Figure 1 to Figure 13 As shown, the present invention includes a tool plate 1, an abrasive belt drive wheel 2, an abrasive belt drive motor 13, a variable curvature drive motor 14, an idler 3, an abrasive belt 11, a tensioning device 46, an abrasive belt support frame 9, an abrasive belt Support roller 10, grinding head connecting plate 6, stepless curvature changing device 7 and sealing device 8, abrasive belt driving motor 13 is connected to the upper end of the rear side of tool plate 1 by screws, and the main shaft of abrasive belt driving motor 13 is connected with abrasive belt driving wheel 2 Two idlers 3 are fixed on the tool plate 1; the tensioning device 46 is made up of a tensioning cylinder 4 and a tensioning wheel 5, the tensioning cylinder 4 is fixedly connected on the tooling plate 1 by screws, and the tensioning wheel 5 is hinged on the tensioning wheel On the telescopic rod of the tightening cylinder 4, the tension wheel 5 is in contact with the ab...

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PUM

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Abstract

The invention discloses a stepless variable curvature abrasive belt grinding tool head which comprises a support plate bearing device, a power device, a stepless variable curvature device, a sealing device, a tensioning gear and an abrasive belt. The abrasive belt is driven by an abrasive belt drive motor and is supported by driving wheels, idle wheels, the tensioning gear, a support roller and a stepless variable curvature device. During the grinding process, rotating angle of the variable curvature motor is adjusted for changing curvature size of grinding position of stepless variable curvature contact wheel. A feed screw nut structure in the stepless variable curvature device can keep the curvature size for realizing stepless variable curvature grinding function. The sealing device adapts change of the curvature and prevents pollution to the interior structure of the stepless variable curvature device from the dust. The curvature change of the contact wheel is mild and the curvature change range is great.

Description

technical field [0001] The invention relates to the technical field of mechanical manufacturing, in particular to an abrasive belt grinding tool head with steplessly variable curvature for processing complex curved surfaces. Background technique [0002] Complex surface processing has always been a difficult problem in machining. Abrasive belt grinding belongs to cold state and elastic grinding. It has dual functions of grinding and polishing. It has strong process flexibility and adaptability. It has the characteristics of high removal efficiency and good surface processing quality in curved surface processing. It is an effective processing method in large-scale curved surface grinding processing with large margin, large area, and high surface quality requirements such as water turbine blades. [0003] In abrasive belt grinding, the diameter of the contact wheel has a direct impact on removal efficiency and surface quality. During the processing of complex curved surfaces...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B24B21/20
CPCB24B21/20
Inventor 王昕母焰曲兴田杨旭
Owner JILIN UNIV
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