RU90365U1 - DEVICE FOR LOWERING THE ROLL OF A LATINAL CUTTING MACHINE - Google Patents

Abstract

The proposed utility model relates to the field of preparation of finished products and can be used in the pulp and paper industry.

The utility model allows to obtain a technical result, which consists in simplifying the design of a slitting machine.

A device for lowering a roll of a slitting machine includes a bed on which bearing shafts are installed that are in contact with the lower generatrix of the roll, a device for pushing the latter, swivel legs mounted on a transverse shaft, pivotally mounted on supporting posts mounted on the bed. Cups are fixed on the bed, in which springs are placed pivotally connected by rods to the end parts of the swivel paws. 1 s.p. f-ly, 2 ill.

Description

The proposed utility model relates to the field of preparation of finished products and can be used in the pulp and paper industry.

Known slitting machine, designed for longitudinal cutting of paper, in which a wound paper roll is pushed from the carrier shafts using a collision mechanism, and then fed to the swivel legs of the roll lowering mechanism. The latter is a swivel legs mounted on a through transverse shaft. The shaft is mounted on support stands mounted on a bed. To rotate the paws, a hydraulic or pneumatic cylinder is used, driven by an electric motor (see A. Shitov, Paper and Cardboard Technology. Moscow, Higher School, 1973, p. 394, Fig. 217). This device is selected as a prototype.

The device operates as follows. When the winding of the roll ends, the ejection mechanism moves the roll from the bearing shafts to the swivel legs, after which the operator sets in motion the roll lowering mechanism, which swivels on the transport device or the floor to move it to the finished goods warehouse.

A disadvantage of the known device is the complexity of the design of the mechanism for lowering the roll, due to the presence of a hydraulic or (pneumatic) cylinder, driven by an electric motor.

The purpose of the proposed utility model is to simplify the design of the device for lowering the roll of a slitting machine.

This goal is achieved by the fact that cups are fixed on the bed, in which springs are placed pivotally connected by rods to the end parts of the rotary paws.

Figure 1 shows the proposed device in the initial state (before lowering the roll), figure 2 presents the proposed device in the final state (the roll is lowered).

A device for lowering a roll of a slitting machine includes a frame 1, on which bearing shafts 2 are installed, which are in contact with the lower generatrix of the roll 3, a device for pushing the latter (not shown in FIG. 1 and FIG. 2), swivel legs 4 mounted on to the transverse shaft 5, pivotally mounted on the supporting posts 6 mounted on the frame 1. On the frame 1 are fixed glasses 7, in which springs 8 are placed, articulated by means of rods 9 with the end parts of the swinging legs 4 (the front part of the swinging legs is longer , The end portion of rotary tines shorter; see FIG. 1 and 2).

The proposed device operates as follows. The wound roll 3 (shown by the dotted line in FIG. 1) collides with the ejection mechanism from the bearing shafts 2 onto the rotary legs 4. Under the influence of the weight of the roll 3, the legs 4 rotate on the transverse shaft 5, as a result of which the rods 9, lowering down, compress the springs 8 in glasses 7 (FIG. 2). After the roll leaves the end parts of the swivel legs 4 under the action of the springs 8 and rods 9, the swivel legs 4 return to their original position (figure 1).

Thus, the use of springs in the proposed device for lowering the roll allows you to simplify its design in comparison with the prototype.

Currently, the technical documentation of the device for lowering the roll of a slitting machine developed at the University of Plant Polymers has been handed over for sale to a cardboard and printing plant located in the village of Kommunar, Leningrad Region.

Claims (1)

A device for lowering a roll of a slitting machine, including a bed on which bearing shafts are mounted in contact with the lower generatrix of the roll, a device for pushing the latter, swivel legs mounted on a transverse shaft pivotally mounted on supporting posts mounted on the bed, characterized in that glasses are fixed on the bed, in which springs are placed pivotally connected by rods to the end parts of the swivel paws.