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Floating sensing grinding head device and constant force grinding method

A technology of grinding head and floating joint, applied in grinding/polishing safety device, grinding frame, grinding bed, etc., can solve the problems of inability to offset, grinding pressure influence, grinding uniformity defect, etc., to achieve grinding Good uniformity, constant pressing force and good grinding uniformity

Active Publication Date: 2020-02-28
DONGFENG MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the above-mentioned prior art, the position of the target to be polished (door frame) needs to be changed during its use, and the influence of the force component of the grinding device along the axis of the cylinder under different grinding positions cannot be offset during the grinding process, which in turn causes the grinding pressure to be affected. Grinding uniformity is flawed

Method used

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  • Floating sensing grinding head device and constant force grinding method
  • Floating sensing grinding head device and constant force grinding method
  • Floating sensing grinding head device and constant force grinding method

Examples

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Effect test

Embodiment 1

[0046] A floating sensing grinding head device, such as figure 1 As shown in -3, it includes a grinding head frame body 10, a grinding machine 20, a two-way floating assembly 30, a floating sensing assembly 40, a controller, a double slide rail assembly 50 and a dust discharge duct 60.

[0047] The grinding head frame body 10 is arranged at the execution end of the manipulator, which can switch the grinding position synchronously following the preset grinding track of the manipulator, wherein the grinding head frame body 10 is provided with a flange structure 11 for forming a connection with the execution end of the manipulator. Strong connections.

[0048] The two-way floating assembly 30 includes an upper fixed connection plate 31, a forward driver 32, a reverse driver 33, and a lower floating connection plate 34. The upper fixed connection plate 31 is arranged on the grinding head frame 10, and the lower floating connection plate 34 is arranged on the forward direction. Th...

Embodiment 2

[0057] This embodiment provides a floating sensing constant force grinding method, such as figure 1 As shown in -3, it includes a grinding machine 20, a grinding head frame body 10, a forward drive 32 and a reverse drive 33 located on the grinding head frame body 10, a load cell 41, a position sensor 42 and a controller, wherein the grinding machine 20 The grinding head frame body 10 is installed on the driving end of the manipulator, and the grinding machine 20 is positioned at the driving end of the forward driver 32 and the reverse driver 33, the grinding method comprises the following steps:

[0058] Set the grinding trajectory of the end of the manipulator during the grinding process;

[0059] Obtain the current coordinate position signal of the grinding machine on the grinding track through the measurement of the position sensor 42, and convert it into a first electrical signal and transmit it to the controller;

[0060] Measure and obtain the weight signal of the grind...

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Abstract

The invention provides a floating sensing grinding head device and a constant force grinding method. The floating sensing grinding head device comprises a grinding head frame body, a grinding machine,a bidirectional floating assembly, a floating sensing assembly and a controller. The bidirectional floating assembly comprises an upper fixed connection plate, a forward driver, a reverse driver anda lower floating connection plate, wherein the upper fixed connection plate is arranged on the grinding head frame body, the lower floating connection plate is arranged at the driving tail ends of theforward driver and the reverse driver, and a grinding machine is fixed on the lower floating connection plate. The floating sensing assembly comprises a weighing sensor and a position sensor, whereinthe weighing sensor is used for detecting a weight signal of the grinding machine, and the position sensor is used for detecting a position signal of the grinding machine; and the controller can simultaneously judge the weight signal and the position signal to adjust the driving force output by the reverse driver in real time. According to the floating sensing grinding head device, constant grinding pressure can be generated, complete automation of the grinding process is achieved, and the polishing uniformity is improved.

Description

technical field [0001] The invention relates to the technical field of grinding, in particular to a floating sensing grinding head device capable of generating constant grinding pressure and a constant force grinding method. Background technique [0002] In the prior art, manual hand-held grinding tools are generally used to polish the car body door frame and its surroundings, and the grinding sheet is directly connected to the power motor. Because there are many curved surfaces in space, it generally requires experienced operators to carry out the grinding operation with a hand-held grinding machine, and the grinding is time-consuming. Laborious, uneven grinding, dirty environment, loud noise, and great damage to the human body. [0003] With the development of technology, grinding equipment has also been developed and applied. For example, Chinese patent 201811385523.7 discloses a floating grinding head and equipment. The floating grinding head includes a connecting plate,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24B49/16B24B41/02B24B55/06B24B49/00B24B55/00
CPCB24B41/02B24B49/00B24B49/165B24B55/00B24B55/06
Inventor 萧剑斌
Owner DONGFENG MOTOR CO LTD
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