SU28319A1 - Machine for removal from the molds of seamless rubber products made by dipping, mainly by the conveyor method - Google Patents

Description

It is proposed in the manufacture of seamless rubber products, by dipping, in an advantageous, conveyor manner, to remove their molds using a machine equipped with cloth flat cylinders mounted on a frame that receives a reciprocating movement from the crank mechanism. The movement of the frames with the cylinders downward, the latter embracing the product and pulling it out of the molds, with the alternate expansion and shrinking of the cylinders by inflating them with air and informing their cavity with vacuum. Pneumatic hammers are used to shake off molds from the machine.

In the drawings of FIG. 1 depicts a schematic view of a machine with Carrier-Shaped forms, in which the balloon position at the right is shown at the moment when the cylinders are gripped on the forms; FIG. 2 is a view of FIG. 1 tear with indication of pneumatic device and adjusting gears to it. ; The working bodies of the machine are cloth cylinders (bags) 1, covering the forms below. To facilitate shooting, balloons are inflated with Air1 |. After capturing products with balloons, the latter, together with the products, are lowered down. At this time, the balloon is released from the cylinders and they are connected to a vacuum apparatus. Products under the influence of their own weight fall into the intervals between the cylinders and fall on the conveyor belt, by which they are removed by appointment.

The cylinders are fixed on the tubular frame 3, which has openings inside the cylinder, for the passage of compressed air. All frames 3 are fixed on a common iron frame 4, which moves vertically in guides 5 with the help of b-arms and rods 7. Crankshafts get periodic gearing with gear sectors 8 fastened with 1 / c camshaft 9 receiving continuous growth from the main shaft through the screw and gear.

To shoot products from the molds 16 that are in the upper holder 10 (frame), the frames automatically rotate 180 ° using gear 2 and a crank mechanism not shown in the drawing. Compressed air is supplied through the hose 11 through the automatic valve 12 and through it is also discharged to the outside. The closure and opening of the valve is dependent on the periodic rotation of the toothed sector 13 mounted on the camshaft 9. To shake the cylinders after taking the products, there is a pneumatic hammer 14 to which Air is delivered by the hose 15.