SU986677A1 - Machine for resistance arc welding - Google Patents

Description

(54) MACHINE FOR THE CONTACT OF THE BUCKET WELDING

one

Insulation relates to the field of welding of products from alloyed and low-carbon steels and metals to find application in welding tools, fittings, pipes, chains, etc.

The closest to the proposed technical solution is a butt welding machine, soderm lashing a spark cover to protect service personnel from splashes of molten metal, the closing and opening of which is carried out manually (tl).

The disadvantage of these machines is the complexity of maintenance, the cost-time for closing and opening the spark-guard 15.

The aim of the invention is to simplify the design and increase the productivity of the machine by automatically raising the spark protection casing.

This is achieved by the fact that the machine for resistance butt welding, comprising a housing, a transformer, a drive for melting and precipitation, a movable and stationary lever-type head with power cylinders and a spark-proof casing, is equipped with a device consisting of a bracket fixed on a fixed clip, a two-arm and a clamp the original position of the casing, while the two shoulders of the hinge is connected to the bracket pivotally, and with the casing is rigidly and mounted with the possibility of interaction with the lever of the fixed clamp.

FIG. 1 schematically shows a contact welding machine with lever-type clips, general type; in fig. 2 is the same, view along arrow A in FIG. 1, in FIG. 3 shows a section of B-Bna in FIG. 2

A butt welding machine with lever-type clips consists of a cortus 1, a transformer 2, a reflow drive and a draft 3, movable and stationary clips 4, -5 of a lever type, and power cylinders 6 clips.

Claims (1)

On a fixed clamp 5, insulated from the machine body, there is a bracket 3 & S6 7 of the sparkproof casing 8. The sparkproof casing 8 with the fixer 9 installed on the left wall and the handle 1O pivotally connected to the bracket 7 by the axle 11, which is mounted with the possibility of rotating the two shoulders 12, the shoulders of which are fixed to the hub at the desired angle and at a certain distance from each other. In this case, the short arm 13 interacts with the lever 14 of the fixed clip 5, and the long shoulder 15 is rigidly connected to the spark-proof casing. The said retainer 9, designed to hold the spark protection cover in the raised initial position, consists of a sleeve 16 fixed on the spark protection cover 8 of the spring-loaded stem 17 and the handle 1O. A shock absorber 18, located on a fixed clamp 5, serves to cancel the inertial forces arising at the time of raising the protective housing 8. The parts to be welded 19 are placed in the clamps 4 and 5. The machine operates as follows. When clamping the welded products 19, the spark-proof casing is in the raised position and held by the clamp 9. In this case, the clamp 9 with its spring-loaded rod 17 rests on the lever 14-Fixed clamp 5 at the point located on its axis. whereby the sparkproof cover 8 does not change its open position when moving the lever 14 of the fixed clamp 5. After clamping the welded products 19, the operator inserts the spring-loaded rod 17 of the clamp 9 with the handle 1O and lowers the sparkproof cover 8 onto the base of the fixed clip 5, thereby closing the welding zone. At the end of the welding cycle, the welded products 19 are automatically released with the help of power cylinders 6, while the lever 14 of the fixed clamp 5 with its long arm goes down and presses the short arm 13 of the double-arm lever 12, which, turning against the clock hand with its long arm 15, lifts the spark-proof cover 8 up. In this case, the spring-loaded rod 17 of the retainer 9, which is in the recessed position, rests on the vertical plane of the eye of the lever 14, and slides along its surface. When the sparking casing 8 reaches the upper initial position, the spring-loaded rod 17 of the retainer 9 comes out of its socket and becomes above the eye of the fixed clamp rod 14 14. At the same time, the spark-proof casing 8 is clamped upwards by the fixed clamp lever 14 is released, the spark-proof casing 8 is held in the upper position by the latch 9, which with its stem 17 rests at the point located on the axis of rotation of the lever 14. With this design, the spark-proof ozhuh not hinder adjustment of the parts to be welded 19 in the jaws. When the adjustment of the products to be welded is completed and the spark-proof casing 8 is clamped by the operator, as described above, the welding cycle is repeated. A butt welding machine with lever-type clips with a device that automates the raising of the spark cover case favorably differs from the prototype, since it eliminates the use of complicated, expensive equipment to move the spark protection cover, and also reduces the labor intensity of machine maintenance. Claims of an Injection Butt Welding Machine, comprising a housing, a transformer, a flashing and sludge drive, power and fixed lever-type clamps with power cylinders and a spark casing, in order to simplify the design and increase machine productivity by automatically raising the spark protective casing The machine is equipped with a device consisting of a fixed on a fixed clamp bracket, a two-armed lever and a fizsatora initial position of the casing, while the two shoulders lever with union of a bracket pivotably, and with a casing - and is rigidly mounted to cooperate with a stationary clamp arm. Information sources taken into account during the examination 1. Machines for resistance butt welding of embedded parts of precast concrete K-ZZMM developed by the E. O. Paton Electric Welding Institute, Kiev, 1965, manufactured by Kakhovsky ESP Plant (prototype). "JA fff & 666t-