Anti-deviation type paper feed driving mechanism for phase paper of color printing machine
A driving mechanism and anti-deviation technology, applied in the field of color expansion machine, can solve the problems of non-parallel axis, difficult adjustment, deviation of photographic paper, etc., meet the requirements of reducing the accuracy of processing technology and assembly process, and facilitate maintenance and adjustment. , the effect of preventing deviation
Inactive Publication Date: 2019-08-30
杜宗英
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Problems solved by technology
This kind of paper feeding mechanism has relatively high requirements on the precision of the processing technology. Many factors such as the taper of the driving roller, the non-parallel axes of the driving roller and the driven roller, and assembly errors can cause the paper to deviate, and it is not easy to adjust.
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[0036] Example: see Figure 1 to Figure 9 .
[0037] A paper feeding drive mechanism for photo paper of a color expansion machine, including a drive roller 2, a motor 3 and a frame 5, the left and right ends of the drive roller 2 form a rotating pair with the frame 5 respectively, the shell flange of the motor 3 and the frame 5 The frame 5 is fixedly connected, and the output shaft of the motor 3 is fixedly connected with the shaft of the drive roller 2;
[0038] It also includes a deviation correction assembly 1; the deviation correction assembly 1 includes a pressure bar guide sleeve assembly 11, two deviation correction roller assemblies 12, a compression spring 13, a ball head guide shaft 14, a connecting block 15 and two deviation correction flat belts 16;
[0039] The connecting block 15 is square, and the connecting block 15 is provided with two correcting roller mounting holes 152. The axis lines of the two correcting roller mounting holes 152 are parallel and distrib...
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The invention belongs to the technical field of color enlargers, and relates to an anti-deviation type paper feed driving mechanism for phase paper of a color printing machine. A motor is electrifiedto rotor to drive the rotation of a driving roller, the driving roller drives the phase paper to perform paper feed motion by friction force, the phase paper drives deviation correction flat belts torun by friction force, and the deviation correction flat belt drives two deviation correction roller modules for rotation; a ball head and an inner ball surface matchingly form ball surface cooperation, the two can swing in any direction and can rotate so that the two can rotate and can perform automatic regulation; the pressure to the drive rollers by four deviation correction rollers are equal through the deviation correction flat belts and the phase paper, the compression force of the two deviation correction flat belts to the phase paper is uniform and equal so that the uniform driving force is applied to the phase paper to effectively avoid the phase paper deviation; and the requirements for the processing process and the assembling process precision are reduced, maintenance and regulation are convenient, and totally, the manufacturing cost of the whole set of equipment is reduced.
Description
technical field [0001] The invention belongs to the technical field of color photoexposure machines, and relates to a paper feeding mechanism, in particular to a paper feeding driving mechanism of a photo paper offset prevention type for a color photoexposure machine. Background technique [0002] At present, the paper feeding drive mechanism of the color expansion machine generally includes a driving roller, a driven roller, two sliders, two tension springs and a motor. The left and right ends are respectively connected with two sliders through a rotating pair, and the two sliders form a moving pair with the frame respectively, and the two tension springs are tightened so that the driving roller and the driven roller are close to each other; the shell flange of the motor and the frame Fixed connection, the output shaft of the motor and the shaft of the driving roller are fixedly connected; the photo paper is sandwiched between the driving roller and the passive roller, the ...
Claims
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CPCG03B27/52
Inventor 不公告发明人
Owner 杜宗英