SU831555A1 - Method of working complex-profile parts - Google Patents

Description

The invention relates to the grinding of wood parts. The known method of processing the parts of a complex profile by two vertical abrasive tools, rotating towards each other, c. the gap between which serves the workpiece l. The disadvantage of the method lies in the fact that with the known execution of abrasive tools and their location, the entrance of the workpiece between the abrasive tools No. 1I is difficult. The purpose of the invention is to improve the entry conditions of the workpiece between the abrasive tools. This goal is achieved due to the fact that they use different-sized abrasive tools and displace them relative to each other in the course of the movement of the processed steel. Figure 1 shows schematically a device for implementing the proposed method; Fig. 2 shows the moment when the part enters the gap between abrasive tools of different sizes. The device for resizing the proposed method comprises table I, fixed 2 and adjustable 3 guides, feed rollers 4 with sprockets 5 and driven through chain 6 and sprocket 7 on the output shaft of the gearbox 8 from the electromotor 9, the clamping rollers 10, each of which is mounted on the lever 11, thrown by the spring 12 up to the stop in the limiter: 13, horizontal fixed 14 on the shaft of the electric motor 15 and adjustable 16 on the shaft mounted with an-bracket 17 on the electric motor 18, abrasive tools and vertical 20 small and 21 large abrasive tools. The small abrasive tool 20 is mounted on the upper motor 22, mounted on the rocker arm 23 with a thrust roller 24, and the large abrasive tool 21 is mounted on the shaft of the electric motor 25 mounted on the rocker arm 26 with an adjusting screw 27 resting on the roller 24. The rocker arm 26 and 26 The spring 28 is connected with the adjusting screw 29 and the rocker 26 is spring loaded 1I 30 and 31 with the adjusting screws 32 and 33 to the frame.

The method is carried out as follows.

The required clearances between guides 2 and 3, abrasive tools 14 and 16, and also between abrasive tools 20 and 21 are set by means of a screw 27 and a spring 28; Then set to the desired initial position of the rocker arms 23 and 26 with the help of springs 30 and 31. and screws 32 and 33,

On table 1, the workpiece 34 is fed between the guides 2 and 3 so that the face is convex facing the side of the mass abrasive tool 20. The workpiece is 34 seconds long; Rollers 4 and 10 are fed first into the gaps between the horizontal abrasive tools 14 and 16 for machining flat faces, and then to the vertical abrasive tools 20 and 21.

When installing abrasive tools of different diameters with offset f (FIG. 2), it is possible to accurately enter the part 34 into the gap. between abrasive tools 20 and 21, ensuring full processing of the convex face of the workpiece 34 with a small 20, and the concave face with a large 21 with an abrasive tool.

It should be noted that the installation of different-sized abrasive tools

shifted downstream, improves the conditions for the part to enter the gap between the abrasive tools. This is of the utmost importance; for reliable transfer of parts from one roller section to another. The rotation speeds of the engines 22 and 25 are adjusted so that the speeds of the abrasive tools 20 and 21 are the same.

The proposed method improves the Q quality of processing parts of a complex profile,

Claims (1)

Invention Formula . ,, : The method of processing parts of a complex profile with vertical abrasive tools rotating towards each other in the gap between which give in the workpiece, that is, and so that, in order to improve the conditions of entry of the workpiece between the abrasive tools, use different abrasives tools and shift them to each other as the work piece moves. Information sources, taken into account in the examination 1, USSR Copyright Certificate No. 662325, class, B 24 B 7/28, 1976.