Correction executing mechanism

Abstract

The invention provides a deviation-rectifying execution mechanism, which comprises a fixed shaft, a roller, a spoke, a lead screw and a lead screw nut, a guide bar and an installing seat of the guide bar; the roller is arranged at one end of the fixed shaft through a bearing; a pulley is arranged outside the roller; a plurality of sliders are evenly arranged on the external surface of the roller along the circumference; the upper end of a T-shaped slider is arranged in a chute on the bottom of the spoke; a frictional layer matched with a substrate is arranged on an external surface of the spoke. The fixed shaft on the other end of the roller is sheathed with the lead screw with a sprocket at one end; two ends of the lead screw are provided with an axially locating bearing; the lead screw nut, meshed with the screw thread of the lead screw and circumferentially positioned by the guide bar, is arranged on the lead screw; the guide bar is fixedly arranged on the installing seat of the guide bar on the fixed shaft; one end of the spoke is arranged in a locating slot of the lead screw nut through a locating shaft and a locating bearing. The deviation-rectifying execution mechanism with reasonable structure can effectively reduce deviation-rectifying circumferential friction, avoid deformation of the substrate due to stretching, and guarantee the quality of the substrate.

Description

Technical field [0001] The invention relates to a deviation correcting actuator suitable for coils. Background technique [0002] The correction mechanism used in the processing of existing roll paper, film, metal foil, non-woven fabrics, woven fabrics and other roll materials is usually the middle wheel shaft correction type; the middle wheel shaft correction type mainly includes single wheel correction and double wheel correction Mode. At present, the single-wheel correction type correction mechanism mainly realizes the deviation through the reverse translation of the roller relative to the offset direction of the substrate or the guide side slip deflection; The wheel is thrown to realize deviation correction. However, whether it is a single-wheel straightening type or a double-wheel straightening type, there is a problem that the friction of the straightening roller relative to the substrate is not easy to control and adjust. Moreover, circumferential friction is also ...

AI Technical Summary

Problems solved by technology

However, whether it is a single-wheel straightening type or a double-wheel straightening type, there is a problem that the friction of the straightening roller relative to the substrate is not easy to control and adjust. Moreover, circumferential friction is also generated, especially the circumferential friction increases the extra tension of the substrate, and the substrate is stretched and deformed, resulting in increased shrinkage of the substrate, large color changes in printing, dyeing and overprinting, and easy wrinkling during compounding, etc. Disadvantages that affect the quality of its products

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