SU1409439A1 - Arrangement for removing flash from flat parts - Google Patents

Abstract

The invention relates to welding production, in particular to devices for removing burrs from the edges of flat pieces. The purpose of the invention is to increase the productivity and quality of stripping. When stripping burrs from the ends of the parts 14, the latter are moved along the frame I by specialized working rollers 3, rotated from the drive. Racks 2 rollers 3 are equipped with dampers 8. Racks 9 are made movable from individual reversible pneumatic actuators. When processing parts 14 with unstable geometrical dimensions of the rack 2 and 9 copy the profile details. The ribs 13 of the rollers 3 split with the ends of the part 14, regardless of local changes in its shape and size. The working surface of the rollers is preferably in the form of a hyperboloid of rotation. The invention allows the processing of parts with local changes in their shapes and sizes in an automatic mode. 1 3. c. f-ly, 3 ill. with

Description

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; The invention relates to the welding industry, namely to devices for laminating grata from flat parts. The invention can most effectively be f) used in the preparation departments of welding shops, as well as in forging and rental shops of various OTpac plants. iefi industry during mechanized cleaning of the edges of flat linear parts after thermal cutting, teflon containing, their steels.

Tse, j of the invention is to increase the productivity and quality of stripping. HR of FIG. 1 shows schematically a device for removing deblocks from flat parts, general view; in fig. 2 - the same view in the lan; in fig. 3 - Scheme of the removal process.

The device for removing burrs from flat parts consists of a frame 1 on which are mounted in a row of a rack 2 with rollers 3 having a profile working part a and rattling IT of the drive 4. Bearing units 5 kat-yun 3 are tilted to the body of the racks 2 movably using upper b and lower 7 nanowire and are equipped with spring dampers or dampers 8. Opposite each pillar 2 there are mounted movable pillars 1: and 9, moved with rods K) (, t individual reversible pneumonthronees along the guides 11 rigidly connected with frame 1, and carrying free Rashayu-1pes skating rinks 12 with similar 3 R 311 r () {|) and. 1st working part a. The axes of the rollers 3 and 12 are perpendicular to the plane and longitudinal axis of frame 1, while on the profile surface of the rollers there are radial ribs 13, the distance in terms of which varies from 10 to 15 mm.

I Г1рО (| zplnaya part of the rollers 3 and 12 is em- |; working, and its surface is made in the | | gauge on the vertical to the vertical, so ()) () m that both branches of the profile simultaneously cover as the top clean , and the bottom with warmer edges of the part when they are laterally compressed, while the angles of inclination of both branches to the horizontal surfaces of the parts 1H) 1 are equal to ensure a symmetrical load distribution from the resultant lateral reaction forces of the supports and the self-installation of parts along the profile axis . The lower branch of the profile should have a smooth transition to the horizontal in order to realize the possibility of lateral mixing with the lateral movement of the skating rink (M and improving the cleavage process ya. 115 grata after their other () b. 1 with rotating with d6 pej).

llanoo.iee is fully compliant with the requirements of str () | (. 1t () ryth kagki raised / ned) up (). 1 () 11.h rotation.

When jiaooTo device wa. shki i para, on. |; 1d; 1К1: tmme mep1 P1IIM values of durability- 1 -st of cpaHiK Hino with cjcHOBHbivi meta.tum

due to their increased brittleness and hardness, and not having sufficient adhesion with it, under the influence of the tangential force arising in the profile part of the rollers during compression of the workpiece, they will be crushed with edges into separate pieces, and then cleave from the edges when the rollers roll and are dropped down .

In this case, the concave parabolic profile of the contour of the working part of the roller with equal

The 0 angles of inclination of both branches to the horizontal surfaces of the parts allow symmetrically distributing the loads from the resulting lateral reaction forces of the supports and ensuring the installation of the parts along the axis of the profile. Main transition of the lower branch

5 pro, 1 to the horizontal improves the possibility of lateral displacement of parts during lateral movement of the rollers and increases the efficiency of the process of spallation of shattered H1) 1x ribs x1 and rollers from the bottom of the billet.

The combination of individual transverse movements of moving racks with individual fixed rack shock absorbers makes it possible to obtain an elastic suspension system for the sweep bodies of the device, responsive to local changes in the size and shape of the contour of the parts being worked out and excluding the possibility of their jamming.

The device works as follows.

0 (The operator, depending on the width of the workpieces 14, sets the required clearance between the rollers 3 and 12 by moving the rollers 12 along the guides 7 using individual pneumatic actuators. Then,

5, the workpiece 14 onto the surface of the lower flanges b of the rollers 3 and 12 and includes a drive 4 of rotation of the rollers 3 and a pneumatic drive of the transverse rearrangement of the movable stand of the first of the rollers 12 along the guides I 1. The blank 14, resting on the surface of the flanges b

 due to the rotation of the rollers 3, it begins to move in the directional direction. When approaching the end of the workpiece 14 to each c. The I-post of struts 2 and 9 triggers the position sensor 13, which activates the drive by moving the next moving cToiiKH 9 to perform the process of compressing the workpiece 14 by the rollers 3 and 12. Therefore, the workpiece 14 begins to move from the flat surface of the flanges b of the rollers 3 and 12 under the action of the lateral effort moving

0 movable rollers onto their profile part a, until the side edges 16 of the workpiece with rollers of grata 17 do not press into the concave surface of the rollers, the contour of which, nanr. leHHbix tops towards each other.

5 And wa. Grata 17. located on the rim of the rim 14, have much lower mechanical strength but with the base metal because of its increased hardness and brittleness. Therefore, under the action of the tangential force F arising in the profile part of the rollers 3 and 12 when they compress the workpiece 14, the ribs 13 will be pressed into the grata rollers 17, crush them into pieces and, with their rotational movement, cleave from the edges of the workpieces, then drop down tray (not shown).

The width variations of the workpieces 14, arising during the cutting process due to thermal deformations, uneven running of gas-cutting machines, marking inaccuracies, etc., are perceived by shock absorber springs 8, causing bearing assemblies 5 of rollers 3 to move in transverse direction 6 and 7 racks 2, to compensate for inaccuracies in the workpieces being machined 14. And the presence of an individual pneumatic actuator on each movable rack 9 pb allows the processing of blanks 14 even with local defects along the contour or small radius cuts without fear of its jamming in the working space between the profiles of the rollers 12 and 3.

The predlagayemy device for ula.yup grata with n. Yuskil; 1ta. First, it allows the process of removal of deblocks and shortened the technological time of niiK.ia, which, in its turn, increases the productivity and quality of stripping.

Formula and lobeni.ch

Claims (2)

1. A device for removing grats from flat parts, comprising a frame on which .iexaHH3Ni stripping is mounted, characterized in that, with the aim of improving productivity and quality of stripping, the stripping mechanism in the form of rollers The profiles, one working part, installed in two rows parallel to the axis of the rollers of the longitudinal axis of the frame, rollers of one row are equipped with individual drives for their lateral movement, rollers of the other row are equipped with spring absorbers, and on the surface of the rollers grabbing children a. 2. The device according to claim. 1, 1. 1 sec. H. that the rollers are made in the form of parabo.thranx engraves with grating ribs. five FI.2 /four sriaz