SU1484482A1 - Apparatus for cutting materials and method of sharpening of its blades - Google Patents

Abstract

The invention relates to cutting non-metallic materials, in particular, fibrous, film, etc., and relates to devices for cutting materials and methods for sharpening its knives. The purpose of the invention is to increase the productivity of the device for cutting and the quality of the products obtained by cutting. In the knife head (NG) 4 of the device, a longitudinal groove 10 is made in which the rocker arm (K) 11 is installed. The NG 4 has a friction clutch 14 coupled to K 11. The guides 22 of the sharpening mechanism 7 of the NG 4 cutting edges are mounted on axis 25. For Sharpening NG 4 is preliminarily fixed on NG, fixing the position of the cutting edges of the counter-tool 3. Then align the cutting plane of the abrasive tool 17 with the indicated fixed position of the cutting edges of the counter-knife on the NG 4 by rotating the latter around its axis of rotation and changing the angle between the direction of movement abrasive tool and the axis of rotation NG 4. 2 p. and 1 z.p. f-ly, 8 ill.

Description

34

Fig.z

4 10

2277

± ШГТГЧЬ /

/ I

18

75x

/ I

and f

Fl.

fig a

u

25

l

№7

No. I

Claims (3)

Claim 1. A device for cutting materials, containing a base, a drive knife head with knives, a counterknife and a sharpening mechanism for the cutting edges of the knives mounted on guides parallel to the knife head, characterized in that, in order to increase productivity and quality of the products obtained, it is equipped with a tuning beam with the axis of rotation and the mechanism of its fixation, while in the cutter head a groove is made in which the specified beam is mounted with a possibility of swinging on the axis located perpendicular to the lateral planes of the groove, and the guides of the sharpening mechanism are mounted to rotate relative to the adjusting beam. 2. The device according to π. 1, characterized in that, in order to simplify the design, the adjusting beam is made in the form of a knife located on the drive knife head. 3. The method of sharpening the knives of the device for cutting materials, including bringing the knife head into rotation, moving the rotating abrasive tool along the knives and subsequent control run-in of the knife head along the counter knife, characterized in that, in order to increase productivity and accuracy, the position of the stationary knife head is fixed the cutting edge of the counter-knife, and then combine the cutting plane of the abrasive tool with the specified fixed position of the cutting edge of the counter-knife by turning the knife head and around the axis of rotation and changes in the angle between the latter and the direction of movement of the abrasive tool. 1 ju 8 17 16 19 FIG. I Bff FIG. b Δ CP.8