CS223262B1 - Device for continuous supply of lower rollers of multi-roll calenders with material - Google Patents

Abstract

The purpose of the invention is to enable machine supply of the lower pair of rolls of multi-roll calenders, for which the existing supply device cannot be used due to its considerable size. The stated purpose is achieved by means of the device according to the invention (Fig. lj. The device consists of a roller track (lij, divided into segments (Fig. 3), between which are placed shaped pressure arms (5), which are rotatably mounted on the shaft (3) and together with the movement mechanism form the second part of the device — the pressure system. The movement is generated by the extension of the cylinder (lj (for example, hydraulic) and is transmitted by the arm (2) to the rotating shaft (3) and the carrier (4), firmly connected to the shaft (3). From each carrier (4) the movement is transmitted via a tension spring (8), compensating for the unevenness of the processed material, to the shaped pressure arms (5). The range of rotation of the carrier (4) relative to the arm, and thus the maximum deformation of the spring (8), are limited by the clearance of the pin in the groove. The described device enables complex mechanization of operation and, by replacing the activity previously performed manually, significantly contributes to increasing work safety.

Description

The purpose of the invention is to enable machine feeding of the lower pair of rollers of multi-roll calenders to which the existing feeding device cannot be used due to its considerable size.

This is achieved by means of the device according to the invention (FIG. 1j). The device consists of a roller conveyor (IIa, divided into segments (FIG. 3), between which shaped press arms (5) are arranged rotatably mounted on the shaft (3); Together with the movement mechanism it forms a second part of the device - the thrust system The movement is caused by extending the cylinder (11j, for example hydraulic) and transmitted by the arm (2) to the rotary shaft (3) and the grippers (4) firmly connected to the shaft (3). From each carrier (4) the movement is transmitted via a tension spring (8), compensating for unevenness of the material being processed, to the shaped pressure arms (5) .The extent of rotation of the carrier (4) towards the arm and thus maximum deformation of the spring (8) is limited by clearance pin in the groove.

The described device enables complex mechanization of operation and contributes substantially to the increase of work safety by replacing the activity performed so far manually.

SUMMARY OF THE INVENTION The present invention relates to an apparatus for continuously supplying the lower rollers of multi-roll calenders with material.

The feeding of multi-roll calenders, especially with vertical rollers, is carried out either by machine sieving the processed mixture over the entire width of the roll or by manually feeding the material twisted into a roll.

Machine sowing has all the advantages and advantages of plant automation. The only disadvantage is that it takes up a lot of space and therefore it is not possible to use this method in more complex production technologies. The machinery supply of the mixture is mainly used for supplying the upper pair of cylinders, which are above the technological space and where there is enough space for the installation of other machinery. The lower pair of rollers is usually supplied manually by coil material. In the case of manual feeding, however, the material to be processed must be constantly pressed into the working space, i.e. the gap between the rollers. This work is very strenuous, the work area is always under the drawn workpiece and, in addition, it often leads to very severe hand injuries.

The physically strenuous and dangerous work of supplying the lower rollers of the multi-roll calenders is eliminated by the continuous feeding of the lower rollers of the multi-roll calenders with the material according to the invention. shaped according to the profiles of calender rolls.

To facilitate understanding of the invention, the following description and schematic drawings illustrate an exemplary embodiment wherein:

Fig. 1 is a side view of the device in the starting position; Fig. 2 is a side view of the device in the extreme operating position; and Fig. 3 is a front view of the device.

The main part of the device according to the invention consists of a split roller conveyor 11 for conveying material and a set of shaped pressing arms 5, at their ends 9 adapted to the shape of the profiles of the calender rolls. The whole is controlled by a constant pressure source 1 from a linear motor, or a pneumatic or hydraulic cylinder via a lever mechanism. The connecting member is a force-transmitting arm 2 to the rotating shaft 3, to which the carrier 4 is fixed. In the shaped pressing arm 5, a locking groove 7 is provided, through which a pin 6 passes through which is fixed in the carrier 4. The pressing arms are bent at their ends into a shape similar to the profiles of the calender rolls. The end position of the pressing arms 5 is defined by the stop 10.

The device according to the invention fully fits into the method of mechanization of operation, eliminates manual labor and eliminates the risk of severe injuries to the operator's hand.

The device can be used in all rubber and plastics plants where the material is processed into foils or applied to textiles.

Claims (3)

An apparatus for continuously supplying the lower rolls of multi-roll calenders with material, characterized in that it consists of a split roller track (11), in which gaps are formed to form shaped pressing arms (5) whose working ends (9) are shaped according to the profiles of calender rolls . 2. Equipment according to claim 1, characterized in that: SUMMARY OF THE INVENTION that a locking groove (7) is formed on the shaped pressing arms (5) into which the bolt (6) fits firmly in the carrier (4). 3. Device according to claim 1, characterized in that it is divided in a hub and its extreme position is secured by a fixed stop. 3 sheets of drawings