SU1361016A1 - Apparatus for spreading glue on tread blanks - Google Patents

Abstract

The invention relates to equipment for the manufacture of parts for tires of pneumatic tires and can be used for the manufacture of blanks. The purpose of the invention is to improve the quality of lubrication of the front joint of the workpiece. For this purpose, the device is equipped with a shaft mounted in the support and mounted in parallel to the plane of the joint of the tread blank. The latter is rigidly fixed on the ring of the shaft above the promazochny drum. A gear wheel is mounted on the opposite end of the shaft, which is in gear with the gear rack mounted on the base. On the base with the possibility of reciprocating transverse displacement, a ram cylinder is installed. Its rod is fixed to the base, and the support is vrash, the shaft is rigidly connected to the power cylinder. 2 Il. y w o5

Description

The invention relates to equipment for the manufacture of parts for tires of pneumatic tires and can be used on tire plants for the manufacture of tread blanks.

The purpose of the invention is to improve the quality of lubrication of the front joint of the workpiece.

FIG. 1 shows the proposed device, a general view from the side; in fig. 2 is a view A of FIG. one.

The device contains mounted on the base 1 roller table 2 for blanks of protectors, bath 3 with glue, spreading drums 4 and 5 with drives for rotation (not shown) and metering rollers 6, spring-loaded springs 7 to the drums 4 and 5. Over the roll drum 5 clamping rollers 8 are installed. The latter are mounted on double-arm levers 9 pivotally mounted on the bracket 10 on the base 1. The other ends of the levers 9 are spring-loaded by means of springs 11.

The device is equipped with a spreading disk 12 fixed parallel to the plane of the joint of the tread preform, fixed at the end of the shaft 13 above the spreading drum 4. The shaft 13 is mounted in the rotation support 14. A gear 15 is fixed at the opposite end of the shaft 13 and meshes with the gear rack 16 fixed on the base 1.

The shaft support shaft 14 is rigidly connected with the power cylinder 17 mounted on the base 1 with the possibility of reciprocating transverse movement relative to it. The rod of the power cylinder 17 is rigidly fixed on the base. To prevent the cylinder body 17 from rotating relative to its axis, it is connected with guide 19 by means of a sleeve 18,

The device for coating protectors with glue works as follows.

The tread 20 is applied over the roller table 2 (Fig. 1). When the protector 20 approaches the dispensing drum 4, a sensor (not shown) activates the dispensing drum 4, the latter begins to rotate, taking glue from the bath 3 and feeding it to the spreading disk 12.

At 3TOiM interacting with the spreading drum 4, the metering roller 6 adjusts the thickness of the glue layer on it in the minimum amount sufficient for spreading.

After the front joint of the tread 20 is located on the lubricating drum 4, the sensor shuts off the drive and the slant drum 4 stops. This involves the operation of the power cylinder 17, the casing of which begins to move, for example from right to left (Fig. 2). Being in engagement with the toothed rack 16, the gear 15 rotates the shaft 13 with the spacer disk 12.

Interacting with the dressing drum 4, the dressing disk 12 is smeared with glue, and then, in contact with the plane of the front joint of the tread 20, it is coated with a layer of glue.

After the notching disc 12 comes out of contact with the plane of the front joint of the tread 20, the sensor turns on the drives of the idler drums 4 and 5, the roller table 2, and the case of the power cylinder 17 stops in the leftmost position. In this case, the lower surface of the tread 20 interacts with the spreading drum 4 and is coated with glue.

The notch drum 5 rotates with a layer of glue from the bath 3, the thickness of the layer which regulates in the minimum sufficient size for the tread lubrication, the spring-loaded metering roller 6 interacting with the grease drum 5.

By entering the dressing drum 5, the lower side of the tread is coated with adhesive with higher quality, as the tread 20 is pressed against the spreading drum 5 by the rollers 8.

In addition, at the time the rear joint of the tread 20 passes under the rollers 8, they act on its outer side, pressing the plane of the joint to the spreading drum 5 for better glueing.

After the rear joint of the tread will go through the dressing drum 5 and the rollers 8, the drives of the drums 4 and 5 are turned off, the body of the power cylinder 17 returns to its original position.

Then the cycle repeats.

Claims (1)

Invention Formula A device for glueing the treads to the protectors with a glue containing base-mounted live rolls for the treads, a bath with glue, a gadget with a drive and a pressure roller mounted on a pivoting lever, characterized in in the rotation support shaft mounted parallel to the plane of the joint of the tread billet with a spreading disk rigidly fixed on the end of the shaft above the spreading drum mounted on against bying end of the shaft pinion meshing with a fixed rack on the basis of the power cylinder and, mounted for reciprocating transverse movement relative to the base, and its rod is fixed to the latter, wherein the support vrasheni shaft rigidly connected to the power cylinder. 20 6 12 14 /; s / / M FIG. Z v 10 6 1E 12 lit 5 Editor A. Shandor Order 5786/21 VNIIPI USSR State Committee for Inventions and Discoveries 1 13035, Moscow, Zh-35, Raushsk nab., 4/5 Production and printing company, Uzhgorod, ul. Project, 4 Compiled by E. Krieger Tehred I. VeresKorrektor L. Pilipenko Circulation 565 Subscription