Pulse controlling system for air bag polishing
A technology of airbag polishing and rubber airbag, which is applied to surface polishing machine tools, grinding/polishing equipment, manufacturing tools, etc., can solve the problem of polishing time, etc., to improve the material removal rate, improve the effective participation, and improve the surface quality. Effect
Active Publication Date: 2010-06-30
ZHEJIANG UNIV OF TECH
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Problems solved by technology
However, in the traditional airbag polishing process, the inflation pressure inside the rubber airbag is a constant value, the polishing time is consistent with the process parameters, the contact stress between the airbag and the mold surface does not change, and the polishing takes a long time
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[0029] With reference to accompanying drawing, further illustrate the present invention:
[0030] The pulsation control system for airbag polishing includes an airbag polishing mechanism 31, an air source 32, and a driver 33 for driving the airbag polishing mechanism 31 to polish the mould; the airbag polishing mechanism 31 includes a gas container communicated with the gas source Cavity 311, the rubber airbag 312 for polishing the workpiece, the rubber airbag 312 is fixed on a cage 313, the cage 313 is linked with a DC motor through the main shaft, and the main shaft is provided with a communication gas container The cavity and the airway of the rubber air bag 312, the rubber air bag 312 is provided with a pressure sensor 34 for detecting the actual pressure in the air bag;
[0031] The driver 33 includes a first solenoid valve 35 that communicates the gas source 32 with the gas chamber 311, a second solenoid valve 36 that communicates the gas chamber 311 with the atmosphere,...
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The invention relates to a pulse controlling system for air bag polishing, which comprises an air bag polishing mechanism, an air source and a driver, wherein the air bag polishing mechanism comprises an air containing cavity, a rubber air bag and a holding rack. The holding rack is linked with a direct current motor. The rubber air bag is provided with a pressure sensor for detecting the actual pressure in the air bag. The driver comprises a first electromagnetic valve, a second electromagnetic valve and a timer, wherein the first electromagnetic valve is used for communicating the air source and the air containing cavity; the second electromagnetic valve is used for communicating the air containing cavity and the air; the timer for the first electromagnetic valve and the second electromagnetic valve is controlled by the controller to generate control square waves to control the two electromagnetic valves to be opened and closed. The air source is connected with a 2D valve. The area of the valve opening of the 2D valve presents the periodic change, and then the air charging pressure in the rubber air bag presents the period change. The 2D valve is connected with the air containing cavity, and is controlled by a central processing unit. The pressure signal sensed by a pressure sensor is transmitted to the central processing unit. The invention has the advantages of quick improvement of surface quality of the module, and short polishing time.
Description
technical field [0001] The invention relates to a pulsation control system for airbag polishing. technical background [0002] The airbag polishing process is a new aspheric surface polishing method proposed by the London Optical Laboratory in the 1990s. Its working principle is to link the rubber airbag filled with air with the motor, contact the rubber airbag with the surface of the mold, and The airbag rotates at high speed to achieve the purpose of polishing. However, in the traditional airbag polishing process, the inflation pressure inside the rubber airbag is a constant value, the polishing time is consistent with the process parameters, the contact stress between the airbag and the mold surface does not change, and the polishing takes a long time. Contents of the invention [0003] In order to overcome the shortcomings of the long polishing time in the prior art, the present invention provides a method that causes the inflation pressure inside the rubber airbag to...
Claims
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Inventor 计时鸣金明生阮健张伟东张利张宪
Owner ZHEJIANG UNIV OF TECH