Three-roll Mechanism and Method for Immediately Improving the Relative Rotating Speed ​​of Its Variable-Speed ​​Driving Roll

A technology of variable speed drive and relative speed, applied in the direction of winding strip, thin material processing, transportation and packaging, etc., can solve the problem that the relative speed of the variable speed drive roller is not fast enough to increase, and achieve the effect of increasing the absolute speed

Active Publication Date: 2015-10-21
FOSHAN BAOSUO PAPER MASCH MFG CO LTD
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  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to provide a method for instantaneously increasing the relative speed of the variable speed drive roller in the three-roller mechanism to solve the problem that the relative speed of the variable speed drive roller in the existing three-roller mechanism is not fast enough to increase

Method used

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  • Three-roll Mechanism and Method for Immediately Improving the Relative Rotating Speed ​​of Its Variable-Speed ​​Driving Roll
  • Three-roll Mechanism and Method for Immediately Improving the Relative Rotating Speed ​​of Its Variable-Speed ​​Driving Roll

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Embodiment Construction

[0019] The three-roll mechanism of the present invention is as figure 1 As shown, it includes three driving rollers that rotate around the same passive member 4, two of which are reference driving rollers 1 and 2, and the remaining one is a variable speed driving roller 3. The specific functions to be completed by the three-roller mechanism, and what the passive member 4 is, depends on the specific equipment used by the three-roller mechanism. For example, if figure 1 The three-roll mechanism shown is applied in a rewinder for paper roll products, then figure 1 The passive part 4 shown is the paper roll, which is formed by rewinding the paper together with two reference drive rollers 1, 2 and a variable speed drive roller 3, and each time a roll of paper roll is completed after rewinding, The paper at the tail of the paper roll will also be torn off by instantly increasing the speed of the variable speed drive roller 3 relative to the other two reference drive rollers 1, 2, a...

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Abstract

The invention discloses a three-roller mechanism and a method for instantaneously increasing relative rotate speed of a variable speed driving roller of the three-roller mechanism. The three-roller mechanism is mainly characterized by arranging high speed and low speed driving wheels, wherein the speed ratio of the two driving wheels is matched with the ratio of rotate speed change of the variable speed driving roller. At the same time, only one driving wheel and the variable speed driving roller form a transmission relation, and the two driving wheels and two reference driving rollers form a linkage body rotating synchronously. The three-roller mechanism and the method provided by the invention have the advantages that once the variable speed driving roller and the high speed driving wheel form a transmission relation, the speed ratio of the variable speed driving roller relative to the two reference driving rollers can be increased immediately to a predetermined speed ratio, and the time needed is zero. One the other hand, the high speed driving wheel can drive the variable speed driving roller to rotate in an accelerative manner with larger kinetic energy so that the absolute rotate speed of the variable speed driving roller is improved remarkably instantaneously.

Description

technical field [0001] The invention relates to a three-roller mechanism which is rotated by three driving rollers clamping the same passive part, and particularly relates to a method for instantaneously increasing the relative rotational speed of the variable-speed driving rollers in the three-roller mechanism. Background technique [0002] The three-roller mechanism is a mechanism that has three driving rollers, the three driving rollers clamp the same passive part together, and the three driving rollers drive the passive part to rotate. In mechanical equipment equipped with a three-roller mechanism, it is often necessary to make one of the driving rollers a variable-speed variable-speed driving roller, so that the speed of the variable-speed driving roller can be greatly increased in a short period of time compared with the other two driving rollers. achieve a purpose. For example, in some rewinding machines used to produce paper roll products such as toilet paper, a thr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B65H18/18
Inventor 黎启标罗兆波
Owner FOSHAN BAOSUO PAPER MASCH MFG CO LTD
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