SU396143A1 - DEVICE FOR CONTINUOUS EDITION OF STRIPS - Google Patents

Description

one

A device for continuous straightening of bands by stretching is known, containing interconnected multi-roll braking and tensioning mechanisms, between which a training stand with a roller strip swaging mechanism is installed, as well as a strip straightening mechanism.

In order to simplify the construction and improve the quality of the edits in the proposed device, the strip edging mechanism is mounted inside the training cage and is designed as a roller mounted under the lower roller of the crushing mechanism of the trained cage and shifted relative to it in the direction of the strip.

The drawing shows the proposed device.

The device contains interlinked multi-roller brake / and tension 2 mechanisms, between which a training cage 5 is installed, including a mechanism for cutting the strip in the form of the upper 4 and lower 5 rolls, as well as an editing mechanism mounted in the form of a roller 6 installed under the lower roller and shifted relative to it in the direction of the task of the strip 7 along arrow A.

The device works as follows.

The strip under some input tension enters a multi-roll brake mechanism of known design, in which the required tension force (rear tension) is stepped before entering the

the reduction zone between the upper 4 and lower 5 rollers of the training stand 3. The rear tension value is selected from the condition of providing the necessary and further progress of the strip synchronously (without

slip) on the lower 5 roll, which is at the same time the final step} of force in the strip before it bends in zone B of a given plastic deformation.

The instability of the strip immediately after it leaves the reduction zone is completely eliminated, since the strip is actually molded under the action of the input and output tension along the radius of the lower

(training) roll. Combining the process of dressing and straightening on the lower roll and roller 6 reduces the weight and dimensions of the entire device. After plastic deformation at

In the lower roll on the lower roll, the strip enters the roller, the speed setting of which is a unit for the required degree of stretching of the strip. The mutual convergence of the lower roll and roller 6 makes it possible to establish the minimum length of the section of the strip under the maximum tension, and thereby ensure greater resistance of the strip to buckling and the formation of longitudinal waves.

On roller 6, the tension is reduced to a predetermined value, and at the tension (pulling) station, depending on the technological requirements, the nolos can be completely unloaded from the tensile forces and fed for further processing (winding into a roll and cutting to individual sheets).

The drive of the device, common to all mechanisms, is built according to a well-known scheme, and the regulation of the degree of drawdown is carried out, for example, by a differential gear with an individual engine.

Subject invention

A device for non-breaking straightening of belts, containing interconnected myogorolikovy braking and tensioning mechanisms, between which the training cage with the roller belt swaging mechanism is installed, as well as the band straightening mechanism, characterized in that

simplifying the design and improving the quality of editing, the mechanism of strip editing is mounted inside the training stand and made in the form of a roller, installed by iodine with the lower roller of the mechanism of compression of the training stand and shifted relative to it in the direction of the strip.