A flat shaft automatic positioning roll changing clamp
An automatic positioning and clamping technology, which is applied in the direction of manufacturing tools, metal rolling, metal rolling racks, etc., can solve the problems of large roll mass, large inertia, and increased difficulty of roll change, so as to improve productivity and save roll change the effect of time
Active Publication Date: 2019-10-01
CHINA NAT HEAVY MACHINERY RES INSTCO
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Problems solved by technology
When the proximity switch sends a signal, the roll cannot stop rotating immediately, and the roll will turn out a small angle, which makes it difficult to position the flat head of the new roll, thus increasing the difficulty of changing the roll
Method used
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Embodiment Construction
[0014] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0015] Such as figure 1 As shown: a flat shaft automatic positioning roll changing clamp includes a pair of clamps, a left clamp 2 and a right clamp 3, which are hinged to the clamp bracket 6 of the roll changing vehicle through a hinged bearing, and the left clamping plate 4 and the The right clamping plate 5 is fixed on the left clamp 2 and the right clamp 3 by bolts, and the clamping oil cylinder 1 can be telescopically moved, so that the clamps are clamped and opened around the hinge point, and the clamping and opening of the clamping plate is realized simultaneously.
[0016] The purpose of realizing the present invention is to solve the problem of flat head positioning, because the mass of the roll is large and the inertia is large. When the proximity switch sends a signal, the rotation cannot be stopped immediately, and the roll will rotate out of a sm...
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A flat shaft automatic positioning and roller replacing clamp comprises a left clamp body and a right clamp body; the left clamp body and the right clamp body are hinged to a clamp bracket of a rollerreplacing trolley through a hinged bearing and provided with a left clamp plate and a right clamp plate correspondingly; the left clamp plate and the right clamp plate are used for clamping the flatplane of a work roller shaft head; a clamping oil cylinder is arranged between the end of the left clamp body and the end of the right clamp body; the left clamp body and the right clamp body can be closed and opened through expanding and contracting of the clamping oil cylinder; the left clamp body and the right clamp body are hinged to the roller replacing trolley through the hinged bearing, theleft clamp plate and the right clamp plate are fixed to the left clamp body and the right clamp body through bolts; and the left clamp body and the right clamp body can be closed and opened through expanding and contracting of the clamping oil cylinder, accordingly, a roller shaft head can be clamped or released, and the left clamp plate and the right clamp plate can be closed and opened along with closing and opening of the left clamp body and the right clamp body. The flat head automatic positioning and roller replacing clamp has the characteristics that the roller replacing time is saved,and the production efficiency of a rolling mill is improved.
Description
technical field [0001] The invention relates to the technical field of flat shaft automatic positioning roll changing clamps, in particular to a flat shaft automatic positioning roll changing clamp. Background technique [0002] At present, the flat head positioning of domestic rolling mills is realized by proximity switches. This method requires the motor to rotate slowly when the flat head is positioned, and when the proximity switch sends a signal, the motor stops rotating to position the flat head. However, due to the large mass and large inertia of the roll. When the proximity switch sends a signal, the roll cannot stop rotating immediately, and the roll will turn out a small angle, which brings difficulties to the positioning of the flat head of the new roll, thereby increasing the difficulty of changing the roll. Contents of the invention [0003] In order to overcome the deficiencies of the above-mentioned prior art, the object of the present invention is to prov...
Claims
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IPC IPC(8): B21B31/08
Inventor 高娟钱广阔
Owner CHINA NAT HEAVY MACHINERY RES INSTCO