SU725761A1 - Apparatus for welding reinforcing nets sides - Google Patents

Description

 - I.

The invention relates to devices for the production of reinforcing meshes, in particular for C1 welding reinforcement meshes with shortened transverse rods alternately displaced to their opposite sides.

Devices are known for welding flat reinforcement cages, comprising: a frame on which welding electrodes are mounted, a carriage movably mounted on a frame, on which spring-loaded grippers are hingedly mounted, which serve to feed the transverse rods into the area of the electrodes. On the grippers, swivel clamps are hinged, which serve to press the transverse rod to the levers interacting with the limit switch. The feed mechanism of the transverse rods is located on the frame of the output side of the welded segment of the electrodes.

A disadvantage of this device is the complexity of the design and impossible

The axial displacement of the transverse rods of the mesh.

Also known are devices for welding reinforcement meshes containing upper and lower electrodes fixed

on the compression actuator housing, a bunker for transverse rods, having a slotted channel in which rods are arranged in one row ;, a compartment for a piece of transverse rods and inclined guides in the form of spring-loaded levers forming a comb for rolling the transverse rod into the zone welding 2.

However, for this device, it is characteristic to manufacture grids with rods that are not cleared in the transverse direction.

Of the known devices for welding rebar nets with shortened transverse rods, alternately shifted to their opposite sides, the closest in technical essence to the proposed device for welding rebar. is a device containing upper-mounted

the bottom electrodes, the carriage for moving the wire to the pitch with the grips, the mechanism for moving the transverse rods under the electrodes by the digger, the bunker for the transverse rods and the magazine of single piece5

opal rods

The disadvantage of this device is a complex structure, insufficiently reliable operation of the rammer, the inability to make a grid with a step transverse 10

rods less than 100 mm, since the displaced shortened transverse rods are produced in the immediate vicinity of the weld zone.

The aim of the invention is to improve the quality of the grids and expand the technical capabilities of the device by providing opportunities. obtaining grids with different pitch.

This chain is achieved by the fact that device 20 has trays rigidly fixed to the body of the piece-by-piece mechanism and pivotally mounted on the same mechanism so that the two shoulders 25 can be rotated in the vertical plane, carrying the rollers on one shoulder with one flange and the other arm in contact with the cutter At the same time, the profiler of the rods is also attached to the body of the piece-release mechanism. thirty

The drawing shows a preliminary device, a longitudinal section (the position of the axial displacement of the rods).

The device contains installed on the frame 1 electrode welding35

The mechanism having the top 2 and bottom 3 electrodes, the magazine 4 for transverse rods, formed by the top 5 and lower 6 guides to arrange in one row of rods 7, the spring-loaded clamp 8, which serves to hold the rods in the magazine 4, the mechanism of single delivery of transverse rods , on the case of which the trays 9 are rigidly fixed, attached to the lower guides 45 6 of the magazine 4, the rammer 10 transverse rods for the axial one. ix displacement into the welding zone and hinged on the same mechanism with the possibility of rotation of axle 11 levers in a vertical flat-50 bone and 12 arms carrying rollers 13 with one flange 14 on one shoulder to hold the rod 7 on the rollers and the other the lever arm 12 has the ability to contact the actuator compartment 55, 15, which ensures its vertical rotation. In addition, the device comprises a movable carriage 16 with claws 17 for step-by-step movement of the mesh and stops 18 with an inclined guide 19 for moving the rod into the weld zone.

The device works as follows.

The magazine 4 from the special one is filled with rods 7, which hold the -8 clamp from falling out of the magazine. At the beginning of the rod feeding cycle, the cutter 15 moves down from the clamp 8 using the pneumatic cylinder, thanks to which ONE rod falls out of the magazine, rolls down the trays 9 and is held on the rollers 13 by a flange 14. When the cutter 15 goes down, it backwards with its back part into the interaction1} Stvie with the lever arm 12, ensuring its vertical rotation around the axis 11 so that the rope 13, pivotally mounted on the other arm of the lever, overlaps the trays 9 and prevents the rod from falling out. The rod that fell out of the magazine, rolling down the trays 9, is held on the rollers 13 by a flange 14. In such a strictly oriented position, the rammer 1O displaces in the axial direction every second rod during the manufacture of the grid with shortened transverse rods alternately displaced to its edges. Making the roller 13 with one flange allows both to hold the rod on the trays 9 on the rollers and to move it in axial direction.

Directions without any guide dies. During the return stroke of the trimmer 15, the lever -12 turns on the axis 11

. under the action of its own weight, and the rod 7. drops out from the rollers 13 onto the inclined guides 19 of the lugs 18 mounted on the movable carriage 16. When the carriage moves to the welding zone, these measures feed the rod under the electrodes, where there is also a welding of the transverse rod with longitudinal rods . Thereafter, the feed cycle of the next transverse rod begins.

The possibility of making rebar grids with shortened and displaced cores with the use of the proposed device completely eliminates failures in the mechanism for supplying the rods to the welding zone that occur in existing comparable devices and reduce the actual performance of welding units by about 3-5%. Improving the reliability of the welding installation through the use of the proposed device will ensure an increase in labor productivity in the manufacture of rebar and, accordingly, a reduction in labor costs on each grid, by 2 people. min, that in terms of money will be 1.5 kopecks. The annual economic effect from the use of the proposed invention will be approximately 0.5 thousand rubles. Invention device for welding reinforcing meshes with shortened transverse rods displaced to its sides, containing an electrode welding mechanism installed on the frame, a carriage with grips for stepping movement of the net, transverse rods spreader, transverse rods magazine formed upper and lower guides, and a mechanism for slitting transverse rods with a drive cutter, characterized in that, in order to improve the quality of the grids and expand the technical capabilities devices by providing the possibility of obtaining grids with different pitch, it has trays rigidly mounted on the body of the piece-issuing mechanism, and hinged on the same mechanism with the ability to rotate in the vertical plane two shoulders levers carrying rollers with one ply horde, and the other shoulder is a cat-acting with a cutoff, while the core of the rods is also attached to the body of the piece-by-piece mechanism. Sources of information taken into account during the examination 1. USSR Author's Certificate No. 407679, cl. B 23 K 10/11, 1971, 2 „USSR Copyright Certificate No. 547270, Cl, B 21 F 27/00, 1975. 3, USSR author's certificate N 553029, cl. B 21 F 27 / 1O, 1973 - J

Claims (1)

Claim A device for welding reinforcing meshes with shortened transverse rods-15 nets, offset to its lateral sides ^ containing an electrode welding mechanism mounted on the bed, a carriage with grippers for step-by-step movement of the mesh, a rammer of transverse 20 rods, a shop for transverse rods formed by upper and lower guides , and a piece-by-piece mechanism for issuing transverse rods with a drive shut-off device, characterized in that, with a chain for improving the quality of grids and expanding the technical capabilities of the device by providing cheniya WHO-; the possibility of obtaining nets with different pitch, it has streams rigidly fixed to the case of the single-issue mechanism and pivotally mounted on the same mechanism with the possibility of turning in the vertical plane two-arm levers that carry rollers with one flange on one shoulder and contacting the cutter with the other shoulder , while the rod rammer is also fixed to the case of the piece delivery mechanism.