RU216270U1 - UNWINDING ROLL CLAMPING DEVICE - Google Patents

Abstract

Utility model Cantilever roll clamping device during unwinding belongs to the field of metalworking and can be used in lines for unwinding a sheet from a roll in the manufacture of roofing, as well as autonomously for other purposes. The roll clamping device during unwinding comprises a frame, a hollow pipe having three slots in the cantilever part, made at an angle of 120°, a carrier bearing, a mating bearing, links, brackets, power clamps, an electric motor, a gearbox, a chain drive. Clamping eccentric nuts allow the screw located in the axial part of the hollow pipe with the help of a lever, a pulley, a cable attached to the hook, with minimal effort and time to move longitudinally without rotation until the power clamps come into contact with the seat of the roll. When the clamping eccentric nuts are turned by 180°, they allow the screw to move longitudinally, rotating from a mechanical drive, forming a screw-nut transmission and transferring force to the thrust sleeve, and from it through connections, brackets to power clamps, firmly fixing the roll in the device. In this case, the lever is installed at the end of the screw next to the mechanical drive and is connected to a cable passing through the axial hole in the screw to the pulley on a rotating bearing, and from it to the hook on the opposite end of the screw. The technical result consists in increasing the convenience of controlling the device in operation. 3 ill.

Description

Utility model Cantilever roll clamping device during unwinding belongs to the field of metalworking and can be used in lines for unwinding a sheet from a roll in the manufacture of roofing, as well as autonomously for other purposes.

A device for clamping a roll during unwinding is known, comprising a frame, a hollow pipe having three slots in the cantilever part, made at an angle of 120 °, a bearing bearing, a counter bearing, connections, brackets, power clamps, an electric motor, a gearbox, a chain drive, clamping eccentric nuts, allowing the screw, located in the axial part of the hollow pipe, to move longitudinally without rotation with minimal effort and time until the power clamps contact with the seat of the roll due to the lever connected to the screw by means of a pulley, a cable and a hook mounted with the possibility of free rotation on the screw, and when the clamping eccentric nuts are rotated by 180°, move longitudinally, rotating from a mechanical drive, forming a screw-nut transmission and transferring force to the thrust sleeve, and from it through connections, brackets to power clamps, firmly fixing the roll in the device (PM patent No. 200599 ).

The disadvantage of the known device is the inconvenience of its use, since the clamping screw and the clamping lever are on opposite sides of the device.

The task to be solved by the proposed utility model is to improve the convenience of controlling the device in operation.

The technical solution is achieved due to the fact that in the device for clamping the roll during unwinding, containing a frame, a hollow pipe having three slots in the cantilever part, made at an angle of 120 °, a bearing bearing, a mating bearing, connections, brackets, power clamps, an electric motor, a gearbox , chain transmission, clamping eccentric nuts that allow the screw located in the axial part of the hollow pipe to move longitudinally without rotation with minimal effort and time until the power clamps contact with the seat of the roll due to the lever, which in the proposed utility model is installed on the end of the screw next to with a mechanical drive and is connected to a cable passing through the axial hole in the screw to the block on a rotating bearing, and from it to the hook on the opposite end of the screw, and when the clamping eccentric nuts are turned by 180 °, move longitudinally, rotating from the mechanical drive, forming a gear screw -nut and transferring force to the thrust sleeve, and from it through the connection and, brackets on power clamps, firmly fixing the roll in the device.

The technical solution is illustrated by drawings

in fig. 1 is a general view of the cantilever roll clamping device with a local section;

in fig. 2 - installation unit for clamping eccentric nuts;

in fig. 3 - the position of the power clamps on the device when installing the roll.

The proposed device contains (Fig. 1, 2 and 3) a frame 1, a bearing bearing 3, a counter bearing 4, a hollow pipe 2, in the cantilever part having three slots 5, made at an angle of 120°, a screw 6 with an axial hole inside, installed in axial part of the hollow pipe 2 with the possibility of rotation in the thrust sleeve 7, mechanical drive 22, guide 14 of the screw 6 with a socket for clamping eccentric nuts 15, mounted on the end of the hollow pipe 2, lever 20, pulley 19, cable 18, hook 17 at the end of the screw 6, connections 8, brackets 9, power clamps 10, on which the roll 21, the electric motor 11, the gearbox 12, the chain drive 13, the pulley 23 are mounted on a rotating bearing 16 fixed on the housing 1.

The device works as follows.

The roll 21 is placed in a suspended state so that the hollow pipe 2 with power clamps 10 is inside the seat of the roll 21, while the clamping eccentric nuts 15 are in an open position relative to the screw, and with the help of the lever 20, the pulley 19, the cable 18 passing through axial hole in the screw 6, fixed to the pulley 23 on a rotating bearing 16 and further to the hook 17 at the end of the screw 6, allow the screw 6 to move longitudinally, and he, in turn, acting on the thrust sleeve 7, connections 8 and brackets 9, with pushes the power clamps 10 relative to the axis of the hollow pipe to contact with the seat of the roll 21 with minimal effort and time, then the clamping eccentric nuts 15 rotate in the seat by 180° relative to the axis, interacting with the screw 6, forming a screw-nut transmission, and screw 6 under the influence of a mechanical drive 22 transmits force through the thrust sleeve 7, connections 8, brackets 9 to force clamps 10, firmly fixing the steering wheel he is 21 in the device.

The location in one place of the mechanical drive 22 and the lever 20 for the longitudinal movement of the screw 6 with minimal effort and time significantly increases the convenience of controlling the device in operation.

Claims (1)

A roll clamping device during unwinding, comprising a frame, a hollow pipe having three slots in the cantilever part, made at an angle of 120°, a bearing bearing, a mating bearing, connections, brackets, power clamps, an electric motor, a gearbox, a chain drive, clamping eccentric nuts, allowing the screw located in the axial part of the hollow pipe with the help of a lever, a pulley, a cable fixed to the hook, with minimal effort and time to move longitudinally without rotation until the power clamps contact with the seat of the roll, and when the clamping eccentric nuts are turned by 180°, move longitudinally , rotating from a mechanical drive, forming a screw-nut transmission and transferring force to the thrust sleeve, and from it through connections, brackets to power clamps, firmly fixing the roll in the device, characterized in that the lever is installed on the end of the screw next to the mechanical drive and connected to a cable passing through an axial hole in the screw to a pulley on a rotating bearing, and not from to the hook on the opposite end of the screw.

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