SU128095A1 - The press mechanism to the flat-bottom cotton machine - Google Patents

Description

Press mechanisms are known to a flat-bed cotton machine for horizontal movement of its needles with a lever carrying a pull, having a handle, including a density control shaft, equipped with a lever with a finger and a roller interacting with the sector cam of the main shaft of the machine, and mounted spring-loaded to the press shaft a pressing lever with a pin. covered by a thrust of the needle bed, and with a roller. running around the main shaft cam.

In the proposed mechanism, in order to increase the convenience of servicing by eliminating the press shaft closing access to the needle bed, the pressing lever is freely U |

The drawing shows the described mechanism, side view (dotted line shows the pressing shaft / and the previous position on this shaft of the pressing lever 2).

The pressing mechanism is designed to move horizontally along needle A of the needle bed 3 of the flat-bottom cotton machine by turning the levers 4 about the axis 5 mounted on the arms 6 of the needle bed lifting. One of the levers 4 along; The hinge 7 is connected to a horizontal thrust 8, having a handle 9, a pin 10, which covers with its notch, mounted on a spring-loaded pressing lever 2, carrying a roller // (the lever spring is not shown in the drawing).

JVb 1280951-2 -

The roller // rolls on the "jaw 12." fixed on the main shaft 13 of the machine.

The pressing mechanism includes a shaft 14 for adjusting the density in the knuckle, on which the lever 15 is mounted with a finger 16, intended to further rotate the pressing lever when the density changes in the knob.

When mounting the press lever on the press shaft / (shown in dash-dotted drawing in the drawing), the press shaft closes the free access to the needle bed, reducing the convenience of service. To eliminate this drawback, the pressing lever 2 (shown in solid lines) is freely mounted on the density control shaft 14 and provided with a rotatable rearrangeable disc 18 for the density control on the axis 17, which is provided with several stops 19 of various length, which interact selectively with the finger 16 levers 15.

The lever 15 is equipped with a roller 20 (on the projection of the projection of the rollers 11 and 20 are combined), interacting with the sector cam 21 of the main shaft (this cam is located behind the cam 12, and in the drawing their projections are partially aligned)

The mechanism is as follows.

When you see stocking sections with a normal cam / 2 density, act on the roller // pull lever 2, deflects it (outwards (according to the drawing). The pin 10 of this lever moves to the right a pull 5, shifting the lower part of the lever 4 in this direction). The upper part of this lever, turning around axis 5, is shifted to the left together with the needle bed 3. The return movement of the parts of the mechanism is carried out under the influence of the spring of the pressing lever.

When the density changes to the undercut, an additional stroke of the pressing lever is informed by the density changing lever 15, driven by the sector cam 21. At the same time, the lever 15 presses its pressure on one of the lugs 19 of the press 18 disk 18, together with the additional movement in accordance with the change in density. in low.

The elimination of the press shaft increases serviceability thanks to easier access to the machine bed.

Subject and s about-and r and and

A press mechanism to a flat-bottom cotton machine for horizontal movement of its needles with a lever carrying a rod, having a handle including a density control shaft, equipped with a lever with a finger and a roller interacting with the sector cam of the main shaft of the machine, and mounted on the press the shaft is a spring-loaded press lever with a pin covered by the thrust lever of the needle bar, and with a roller running around the main shaft cam, characterized in that, in order to improve serviceability by eliminating a press shaft that closes the access to the needle bed, the press lever is freely mounted on the density control shaft and is equipped with a rotatable swiveling disc with stops of different lengths selectively interacting with the finger of the density control shaft lever.