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Flexible grinding head device of pneumatic grinding machine

A technology of elastic device and grinding head, which is applied in the direction of grinding/polishing safety device, grinding machine tool parts, grinding/polishing equipment, etc. It can solve the problems of increasing labor intensity, grinding head wear, and high technical requirements for workers. Achieve the effect of improving machining accuracy and efficiency and preventing damage

Pending Publication Date: 2018-06-12
XIANGTAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Grinding is an indispensable processing method in the manufacturing industry, and there are many types of grinding machines. In the process of grinding machine processing, the grinding head will inevitably wear out, and the contours of the processed surfaces of different workpieces are inconsistent. There are grooves or protrusions, but the grinding head devices of grinders on the market are basically rigid structures, and the relative position of the grinding head and the workpiece cannot be automatically adjusted according to the actual working conditions. In order to meet the processing requirements, workers are required Adjust the relative position between the grinding head and the workpiece and the pressure between the grinding head and the workpiece many times, which will increase the labor intensity and have higher technical requirements for the workers

Method used

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  • Flexible grinding head device of pneumatic grinding machine
  • Flexible grinding head device of pneumatic grinding machine
  • Flexible grinding head device of pneumatic grinding machine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Embodiment 1, which includes a main shaft 2, a sleeve 3, a sleeve rear end cover 9, and a casing 6; a grinding head 1 is installed at the front end of the main shaft 2, and a spring washer 20 and a nut 21 are installed in turn for fixing the grinding head 1. The wind wheel 14, bearings 7-1 and 7-2 are installed on the rear end of the main shaft 2, and the other side of the bearings 7-1 and 7-2 is also installed with a retaining ring 15 and a sleeve rear end cover 9; There are two corresponding holes on the cylinder 3 and the box body 6, one through the through hole formed by the connection between the connecting frame 13 and the box body 6 to enter the high-pressure air, and the other to exhaust, the input high-pressure air drives the wind wheel 14 to rotate, and the main shaft 2 The output drives the grinding head 1 to rotate; the front end of the sleeve 3 is fitted with a spherical bushing 5, and the spherical bushing 5 is assembled on the box body 6 through the solid ...

Embodiment 2

[0015] Embodiment 2, three elastic devices 10 are installed on the box body 6, and the distance between these three elastic devices 10 is 120°. An elastic device 10 is installed on the end cover of the box body 6, and the four The elastic device is in point contact with the spherical contour at the end of the sleeve rear end cap 9 . When the grinding head 1 encounters the impact point of the processing surface or performs processing compensation, the main shaft 2 can rotate a certain angle around the center of the spherical bushing 5, and at the same time the main shaft 2 can also be displaced in the axial direction, and the elastic device 10 provides the reaction force, thereby Realize the flexible adjustment of the position of grinding head 1. refer to Figures 1 to 3 , all the other are with embodiment 1.

Embodiment 3

[0016] Embodiment 3, four elastic devices 16 are installed on the neck of the box body 6 , the elastic devices 16 are spaced apart by 90°, and the push rods of the elastic devices 16 are in contact with the neck of the sleeve 3 . The elastic force provided by the elastic device 16 counteracts the effect of the gravity of the sleeve 3, prevents the sleeve 3 from sliding down due to gravity, and allows the sleeve 3 to reset when the grinding machine stops. refer to Figures 1 to 3 , the rest are the same as

[0017] Example 1.

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Abstract

The invention discloses a flexible grinding head device of a pneumatic grinding machine. The shortcoming that the flexibility of the grinding head device of a traditional grinding machine is low, thereby easily resulting in damage to the grinding head and the machined surface during processing, is overcome mainly. According to the key points of the technical scheme, the flexible grinding head device comprises a main shaft, a sleeve and a box body. The main shaft is provided with a wind wheel as a power unit for driving the grinding head to work. The front end of the sleeve is provided with a spherical shaft sleeve in a sleeving manner, and the spherical shaft sleeve is assembled on the box body through a front-end shaft sleeve. The neck of the box body is provided with an elastic device ofwhich a push rod comes into contact with the neck of the sleeve, and the tail end of a rear end cover of the sleeve comes into point contact with the elastic device. The elastic device is matched with the spherical shaft sleeve, and the position of the sleeve can be adjusted; the main shaft and the grinding head are driven for real-time position adjustment according to the working conditions, andthe proper pressure between the grinding head and a workpiece is ensured; and the damage to the grinding head is avoided, and the machining accuracy and efficiency of the grinding machine are improved.

Description

technical field [0001] The invention belongs to the technical field of grinder equipment, in particular to a flexible pneumatic grinder grinding head device. Background technique [0002] Grinding is an indispensable processing method in the manufacturing industry, and there are many types of grinding machines. In the process of grinding machine processing, the grinding head will inevitably wear out, and the contours of the processed surfaces of different workpieces are inconsistent. There are grooves or protrusions, but the grinding head devices of grinders on the market are basically rigid structures, and the relative position of the grinding head and the workpiece cannot be automatically adjusted according to the actual working conditions. In order to meet the processing requirements, workers are required Adjusting the relative position between the grinding head and the workpiece and the pressure between the grinding head and the workpiece many times will increase the lab...

Claims

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Application Information

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IPC IPC(8): B24B41/04B24B55/00
CPCB24B41/04B24B41/042B24B55/00
Inventor 秦衡峰彭孝林周兆锋
Owner XIANGTAN UNIV
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