Constant force polishing feed device and polishing machine
A feeding device and constant force technology, applied in the polishing field, can solve the problems of unfavorable standardized production, poor polishing effect, difficult polishing products, etc., and achieve the effect of maintaining polishing force, simple structure and reasonable design.
Active Publication Date: 2018-01-30
NINGBO INST OF MATERIALS TECH & ENG CHINESE ACADEMY OF SCI
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Problems solved by technology
[0002] At present, many polishing wheels of polishing machines are made of cloth. It is difficult to grasp the contact strength between the polishing product and the cloth wheel. Often, the polishing effect is not good due to the wrong position of the contact pressure between the polishing product and the cloth wheel.
For the cloth polishing process, the accuracy of polishing is required to be high. If the contact between the polishing product and the cloth polishing wheel is not well controlled, it will cause uneven polishing on the surface of the polishing product. At the same time, as the cloth polishing wheel is used more and more Long, the radius of the polishing wheel gradually decreases due to polishing on the surface. When the position of the polishing product is fixed, as the polishing wheel is used for a long time, the radius of the polishing wheel is different, resulting in different polishing effects of the polishing product, which is not conducive to standardization. At the same time, if the outer contour of the polished product used for processing is irregular, it is difficult to use simple mechanical equipment to complete the displacement of the polished product, so a structure that can maintain a constant polishing force is particularly important
At present, there is a device that uses a servo motor to drive a ball screw to control the polishing constant force. Due to the "crawling" phenomenon of the ball screw, it is not possible to control the thrust more accurately.
Method used
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[0035] In order to make the purpose, technical solution and advantages of the present invention clearer, the constant force polishing feeding device and polishing machine of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0036] Such as figure 1 , 2 As shown, a constant force polishing feeding device includes: a polishing wheel 1, a force sensor 2 and a linear motor 3;
[0037] The force sensor 2 is connected with the polishing wheel 1, and is used for sensing the pressure that the polishing wheel 1 bears during the working process;
[0038] The force sensor 2 is electrically connected to the linear motor 3 for sending the sensed pressure signal to the linear motor 3;
[0039] The linear motor 3 is in transmission connection with the polishing ...
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The invention provides a constant force polishing and feeding device and a polishing machine. The device comprises a polishing wheel, a force sensor and a linear motor; the force sensor is connected to the polishing wheel for bearing the pressure during the operation of the polishing wheel; the force sensor and the linear motor are connected electrically for transmitting sensed pressure signals to the linear motor; the linear motor is connected to the polishing wheel in a transmission manner for driving the polishing wheel to perform rectilinear motion according to the received pressure signals. The design is reasonable, structure is simple, and the constant polishing force can be maintained.
Description
technical field [0001] The invention relates to the technical field of polishing, in particular to a constant force polishing feeding device and a polishing machine. Background technique [0002] At present, many polishing wheels of polishing machines are made of cloth. It is difficult to grasp the contact strength between the polishing product and the cloth wheel. Often, the polishing effect is not good due to the wrong position of the contact pressure between the polishing product and the cloth wheel. . For the cloth polishing process, the accuracy of polishing is required to be high. If the contact between the polishing product and the cloth polishing wheel is not well controlled, it will cause uneven polishing on the surface of the polishing product. At the same time, as the cloth polishing wheel is used more and more Long, the radius of the polishing wheel gradually decreases due to polishing on the surface. When the position of the polishing product is fixed, as the p...
Claims
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IPC IPC(8): B24B47/20
CPCB24B29/00B24B47/20
Inventor 张杰张驰夏庆华金勤晓
Owner NINGBO INST OF MATERIALS TECH & ENG CHINESE ACADEMY OF SCI