Online torque monitoring method for suspended printing roller
A technology of printing roller and suspension type, which is applied in the field of online torque monitoring of suspension printing roller, which can solve the problems of maintaining a certain time, the influence of uniformity, and the difficulty of adjustment process, etc.
Pending Publication Date: 2020-07-31
HUBEI UNIV OF SCI & TECH
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Problems solved by technology
[0002] The printing machine is a printing device that prints on the printing carrier after the graphics and text on the surface of the printing roller are attached to the paint. For the printing roller, the printing pressure between it and the printing carrier determines the printing quality such as the clarity of the graphics and text. Now In some ways, the adjustment of the printing pressure is realized through the adjustment of the gap between the rollers. Because the gap is extremely small, the adjustment process is very difficult, and it can only be maintained for a certain period of time after adjustment. Under the action of inevitable factors such as wear, the printing The pressure will also gradually decrease with the passage of time, which has a great impact on the quality of the printed matter, especially the uniformity
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[0015] The following are specific embodiments of the present invention and in conjunction with the accompanying drawings, the technical solutions of the present invention are further described, but the present invention is not limited to these embodiments.
[0016] Such as figure 1 and figure 2 As shown, it includes a body 1 and a sleeve 2 sleeved on the body 1. A magnetic levitation structure is arranged between the two ends of the sleeve 2 and the body 1 respectively. Several first permanent magnetic strips 3, the outer peripheral surface of the body 1 is provided with several first excitation components 4 corresponding to the first permanent magnetic strips 3 one-to-one, the first excitation component 4 includes a first armature skeleton and is wound on the first The first coil on the armature frame, the first excitation assembly 4 can generate the Lorentz force in the radial direction of the sleeve 2, and the connection line between the two magnetic poles of the first pe...
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The invention provides an online torque monitoring method for a suspended printing roller, and belongs to the technical field of printing equipment. Two groups of second exciting assemblies are arranged in the middle of a body. Each second exciting assembly comprises multiple second armature frameworks evenly distributed on the body circumferentially, second coils are wound around the second armature frameworks, each second armature framework corresponds to one second permanent magnet strip, the second permanent magnet strips are located on the outer sides of second permanent magnet frameworks, the second permanent magnet strips are fixed to the inner wall of a sleeve, a connecting line of two magnetic poles of each permanent magnet strip is vertical to the axis of the sleeve, all the second coils are connected in parallel and then connected with an external power source, and a current meter is connected to a main line obtained after all the second coils are connected in parallel in series. The situation that the body rotates relative to the sleeve is monitored by reading the current meter in real time. The method has the beneficial effects of being capable of alleviating printingpressure, improving the printing quality and the like.
Description
technical field [0001] The invention belongs to the technical field of printing equipment, and relates to an online torque monitoring method of a suspended printing roller. Background technique [0002] The printing machine is a printing device that prints on the printing carrier after the graphics and text on the surface of the printing roller are attached to the paint. For the printing roller, the printing pressure between it and the printing carrier determines the printing quality such as the clarity of the graphics and text. Now In some ways, the adjustment of the printing pressure is realized through the adjustment of the gap between the rollers. Because the gap is extremely small, the adjustment process is very difficult, and it can only be maintained for a certain period of time after adjustment. Under the action of inevitable factors such as wear, the printing The pressure will also gradually decrease with the passage of time, which has a great influence on the quali...
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IPC IPC(8): B41F13/10B41F13/24H02N15/00G01L5/00
CPCB41F13/10B41F13/24H02N15/00G01L5/0061
Inventor 刘聪
Owner HUBEI UNIV OF SCI & TECH