RU71285U1 - DEVICE FOR WELDING TWO BINDLED FRAMES - Google Patents

Abstract

A device for welding two intertwined flat reinforcing cages, which are then deployed and receive spatial reinforcing cages with a diagonal arrangement of transverse rods, is proposed. The device comprises a bed, feed mechanisms for longitudinal and transverse rods, welding electrodes and conductors for placement and supply of transverse rods to the welding zone. Mentioned conductors are shifted relative to each other along the feed of the transverse rods and along the feed of the welded frames, and the conductors are equipped with braking elements.

Description

The proposed utility model relates to devices for manufacturing reinforcement for reinforced concrete and can be used in factories of reinforced concrete products.

A device for the manufacture of frames containing mechanisms of stepwise feeding of longitudinal rods, stepwise feeding of transverse rods, wire cutting mechanisms and electrodes (1).

Closest to the claimed is a device for welding frames containing a frame on which are mounted mechanisms for the step feed of longitudinal rods and wires for the transverse rods, lower fixed and vertical movable upper electrodes, as well as fixed knives rigidly connected to the frame and rotary from the drive knives.

The disadvantage of this device is that it cannot be used for the manufacture of bound frames. The purpose of the utility model is to eliminate this drawback. This is achieved by the fact that the device is equipped with two conductors rigidly connected to the fixed knives that serve to place the cut workpieces of the transverse rods in them before feeding them into the welding zone. In addition, downward grooves are made in the conductors, in which spring-loaded braking elements are placed. The conductors are shifted along the feeds of the transverse rods relative to each other by an amount not less than the size of the electrode in the plan, and the distance between the conductors along the welded frames is not less than the size of the same electrode in the plan.

In Fig.1, the device is shown in the plane of the welded frames;

Figure 2 shows a section aa (figure 1);

Figure 3 shows a section bb (figure 1);

Figure 4 shows a section CC (figure 3);

Figure 5 shows a cross section of interwoven frames deployed in a spatial frame with a diagonal arrangement of transverse rods.

The device for fixing the workpieces of the transverse rods in the welding zones is not conventionally shown. Racks 2 are fixed on the bed 1, on which conductors 3 are mounted and fixed knives 5 and rotary knives 6 with the help of hairpins 4. Clamps 7 and levers 8 serving to connect the rotary knives 6 with the rotary drive are shown schematically, and the mechanism of rotation of the knives 6 is conditionally not shown . Also, the step feed mechanism for the transverse rods and the step feed mechanism of the longitudinal rods are not conventionally shown, i.e. step feed of welded reinforcing cages. Each conductor 3 has a drilled channel 9 and a milled

longitudinal groove 10 directed downward. Channel 9 and groove 10 are used to place and move the workpieces of the transverse rods in them before feeding them into the welding zone. The device for fixing the workpieces of the transverse rods in the welding zones is not conventionally shown. In each groove 10 there is a lining 11 supported by clamps 12 and a spring-loaded braking element 13 fixed in the transverse groove 14. A ring 15 made of elastic material placed in an eccentric annular groove 16 serves to fix the element 13 vertically and press it against the movable workpiece of the transverse rod. The electrodes 17 (Fig. 3 and Fig. 4) are made in the form of disks with central holes used for attaching the upper electrodes to the cooled conductive jumper 18, and the lower electrodes to the current-conducting pads 19. During operation, the longitudinal rods 20 of the welded frames are automatically fed to a step in the direction of the arrow in figure 1. At the same time as the longitudinal feed wire 21 is fed. In this case, wires 21 are pushed from the conductors 3 to the welding zones, previously cut workpieces 22. Next, the workpieces 22 are welded with longitudinal rods 20. Cutting of the next workpieces 22 from the wires 21 is performed simultaneously with welding. During welding of the workpieces 22 with the longitudinal rods 20, the mechanisms for moving the longitudinal rods 20 and wires 21 depart to their original positions. Next, the cycle repeats.

The technical result manifested when using the device is the possibility of manufacturing frames for reinforcing reinforced concrete products with a diagonal arrangement of transverse rods (see figure 5). This design of the frames allows you to increase productivity in their manufacture by about half, because now instead of low-quality welding in the process of winding transverse reinforcement on longitudinal rods, we have efficient and high-quality welding of four intersections in one cycle. In addition, there is a saving in transverse reinforcement, as diagonal shorter than two legs.

Claims (1)

A device for welding two interwoven frames containing a bed on which are mounted mechanisms for the step feed of longitudinal rods and wires for the transverse rods, lower fixed and vertical electrodes moving vertically from the drive, as well as fixed knives rigidly connected to the frame, characterized in that it is provided two conductors rigidly connected to the fixed knives, which serve to place the cut workpieces of the transverse rods in them before feeding them into the welding zones, and these conductors are shifted along x dy innings transverse rods relative to each other by an amount not smaller electrode size in plan, and the distance between the conductors along the welded frame is not less than the amount of the same electrode in plan, while in the conductors are made downwardly directed recesses which accommodate spring-loaded inhibiting elements.