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Planet gear connecting rod combined paper feeding device

A combination technology of planetary gears and connecting rods, which is applied in the direction of rotary printing machines, printing machines, printing machines, etc., can solve the problems of high processing and manufacturing precision, complex cam curve design, large moment of inertia of the device, etc., and achieve low meshing noise and effective Conducive to maintenance and maintenance, improve the effect of printing quality

Inactive Publication Date: 2013-04-24
SHANGHAI UNIV
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the common problem of the cam-link type paper transfer device is that the design of the cam curve is complicated, and the processing and manufacturing precision is high. When printing at high speed, the device has a large moment of inertia, obvious impact, and poor motion characteristics, which seriously affects the quality of overprinting.

Method used

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  • Planet gear connecting rod combined paper feeding device
  • Planet gear connecting rod combined paper feeding device
  • Planet gear connecting rod combined paper feeding device

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Embodiment Construction

[0016] A preferred embodiment of the present invention is described as follows in conjunction with accompanying drawing:

[0017] see figure 1 with figure 2 , the planetary gear connecting rod combination paper delivery device, it includes

[0018] A planetary gear linkage combined paper transfer device, comprising a four-bar linkage device and a planetary gear mechanism; the four-bar linkage arrangement includes a driving gear 1, a crank 2, a connecting rod 3, and a rocker 4; the planetary gear mechanism includes a sun Wheel 5, planetary gear 6, and ring gear 7; the crank 2 is fixed on the eccentricity of the driving gear 1 and rotates with the movement of the driving gear 2; the rocker 4 is a tie rod in the planetary gear mechanism and is connected to the sun at the same time wheel 5 and planetary gear 6; the number of teeth and the modulus of the driving gear 1 are equal to the number of teeth and the modulus of the ring gear 7 in the planetary gear mechanism; When ...

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Abstract

The invention discloses a planet gear connecting rod combined paper feeding device which comprises a driving gear, a set of planet gear mechanism and a group of four-connecting-rod device. The paper feeding device is characterized in that the number of teeth and modulus of the driving gear is equal to that of teeth and modulus of a gear ring in the planet gear mechanism, the driving gear is fixedly connected with a crank in the four-connecting-rod device, a rocker in the four-connecting-rod device and a tie bar in the planet gear mechanism are the same component, and paper feeding teeth are mounted on and move along the gear ring of the planet gear mechanism. When the paper feeding device works, the driving gear drives a sun gear and a crank in the planet gear mechanism to rotate simultaneously to lead a planet gear in the planet gear mechanism to move so as to realize the moving law of the paper feeding teeth on the gear ring. The driving gear rotates for a circle, the gear ring rotates for a circle, the paper feeding teeth feed paper for one time, and the moving law of the paper feeding teeth meets requirements of paper taking and paper delivering by optimizing structural parameters.

Description

technical field [0001] The invention relates to a paper delivery device on a printing machine, in particular to a planetary gear connecting rod combination paper delivery device, and belongs to the technical field of paper delivery devices for printing machines. Background technique [0002] In the paper printing process, the function of the paper transfer device is to transfer the paper from the paper feed platen to the paper transfer cylinder or the impression cylinder. When the paper feed plate picks up the paper, the paper is in a static state. The teeth of the device must ensure that the paper is picked up in a static state. At present, the most widely used offset printing machines are the rotary paper transfer device and the swing type paper transfer device. The swing type paper transfer device is divided into the upper swing type paper transfer device and the lower swing type paper transfer device. It is composed of cam and connecting rod. Although the cam-link type...

Claims

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Application Information

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IPC IPC(8): B41F21/00B41F13/008
Inventor 沈斌傅燕鸣郭娟
Owner SHANGHAI UNIV
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