SU419456A1 - SHEET TRANSFER FOR PRINT AND OTHER SHEET MACHINES - Google Patents

Description

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A sheet transfer device for printing machines and other sheet machines is known, comprising a rotary shaft, grips, gripper racks, onoip.Hoe means for installing grips on the rotary shaft and gripping the guide shaft, and completely in the form of a lever. Knob: Vogo 1 mehanizma.

In the known stand device, the lap-motion is installed on the relatively new shaft, the grippers with the possibility of swinging motion. The known device has the following devices: 1 insufficient accuracy of the transfer of the plate, which has - instead of (the working plane of the grippers three sheet clamps move not along the normal to the surface of the uprights, but along the arc, as a result of which one sheet gripper can be shifted; only one sheet; in the process of transferring the leaf, its front deformation occurs, and sometimes its tearing occurs.

The aim of the invention is to increase the accuracy of sheet transfer.

For this, in the proposed device, the gripper racks are set by the possibility of radial reciprocating movement, and the grips with the possibility of the same movement in the direction perpendicular to the movement direction of the racks of the grips, and the racks of the yoke with the fork two shoulders with grippers.

FIG. Figure 1 shows the principle kinematic diagram of the proposed device, the position of the elements of the device before the transfer sheet; aia fng. 2 - the same, the position of the elements B njwuecce transfer sheet; pa fng. 3 - the same, the position of the elements of the device of the sheet transfer: in FIG. 4 - grip and rack structures (a - open position, b - closed).

The device comprises a rotary shaft 1, grippers 2, struts 3 of the grippers, support means 4 for mounting the struts and grippers on the shaft. The latter can be made as a sheet cylinder or as levers with complex bearing discs known to be stitched.

The stands of the roll-ups are mounted on the means 4 with the possibility of radial reciprocating movement, and the grippers are arranged with the possibility of the same movement in the direction perpendicular to the direction of movement of the legs of the grips.

The device also includes a gripper control tool, made of a duno-movable slide 5, double-legged forked levers 6 and 7 and 8, the Stand has stops 9 and 10, and the catch is stop 11. All the stops can be made adjustable, for example,

using screws or other known fixtures.

Levers 6 and 7 “Inmatisheokoki av-zy, respectively, with a rack 3 and capture 2 using the fingers 12 and 13.

The stop 10 has a rectangular groove, the ShchIRin and the height of which is correspondingly larger than the width and thickness of the grip.

A, NIOS | IMPIER IMOIFI captures on support means 4.

The device works as follows.

The sheet L, transported by means 4, before supplying iB, the device 4 is held by the grips 2 for the front edge, which, under the action of the spring 8, press it onto the "supports 3" (see fig-d. 4, b). At the moment of transfer, when the means 4 and 4 (are located on the shaft line, BOiKipyr of which they rotate, the roller of the lever 6 runs onto the slide 5, as a result of which the grippers 2 come out of contact with the onoipa 3 and take the position shown 1H, and 2 and 4, a. At the subsequent; on: roller beadies On iropKy 5, the stop AND "presses the double-arm lever 7, | thanks to which the supports 3 click on the onors 3 interacting with them and thus transfer the sheet L. after this as the emphasis 10 goes down

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grippers 2, the latter under the action of the spring 8 occupy the position shown in FIG. 3. Transfer of the sheet from the device 4 to another similar; the tool is carried out in the same way when the roller of the lever is 6 pads corresponding to the unmovable slide.

The transfer or selection of a set of sheets is carried out in the same manner.

Subject invention

Sheet transfer device for printed

and other sheet machines containing a rotary shaft, grippers, stands of grippers, supporting means for mounting grippers on the rotary shaft. And gripping control means, made in the form of a lever-cam mechanism, characterized in that, in order to increase the accuracy of the sheet shears, the gripper stand mounted in the support means with the possibility of radial return-postunate movement, and grips - with the possibility of the same movement (In the direction, perpendicular to the direction of movement of the legs of the arms, by means of a forked two shoulders arm and spring springs of the Zapas with grippers.

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