US820838A - Means for operating picker-drums. - Google Patents

Description

PATENTED MAY15, 1906.

C. WALMSLEY. MEANS FOR OPERATING PICKER DRUMS.

APPLIOATION FILED MAR.25,1905.

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PATENTED MAY l5, 1906.

O. WALMSLBY. MEANS FOR OPERATING PICKER DRUMS.

APPLIOATION FILED MAR.25,1905.

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CHARLES WALMSLEY, OF BUR-Y, ENGLAND, ASSIGNOR TO WANDEL & CO.

METALLTUOH-FABRIK, OF REUTLIN GEN, GERMANY.

l IVI EANS FOR OPERATING PICKER-DRUMS..

Specification of Letters Patent.

atented May 15, 1906.

Application filed March 25.1905. Serial No. 252,060.

.To if/ZZ 'whom t magy concern.:

Be it known that I, CHARLES WALMSLEY, a citizen of England, residing at Sunny Bank, Tottington Road, Woolfold Bury, in the county of Lancaster, England, have invented certain new and Improved Means for Operating PickerDrumsg and I do hereby declare the following to be a full, clear, and exact de scription of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

This invention relates to improvements in picker-drums used for straining and picking fibrous material such as those used in the manufacture of paper and the like.

Theobject of the invention is to provide improved means for rotating, vibrating, feeding and cleaning such picker-drums.

In the accompanying drawings the invention is shown as embodied in a preferred form', as follows:

Figure 1 is an end view. Fig. 2 is a side view, and Fig. 3 is a detached sectional view.

The pickendrums A consist, as usual, of a shell of cylindrical form having a number of suitable slits in the periphery and are mounted above and partially within a vat or trough B upon hollow trunnions C, journaled in rocker-arms D, swinging from pivots E, supported in the machinedrame. The lower portion of the arms D short of their end is provided with adjustable wrought-iron hammers E, operating against india-rubber or other resilient buffers E2, inclosed in a suitable supporting-box, as shown. The lower ends of the rocker-arms D are provided with steel dies F, arranged to contact with the face of a cam G, fixed upon the shaft I-I, rotating upon bearings inclosed in oilsboxes J and driven by any suitable source of power.

It will be seen that as the shaft II rotates the cam G imparts a vibratory movement to the rocker-arms D through the dies F, and consequently such motion is transmitted to the picker-drums A as the rocker-arms swing upon the pivots E.

To effect the rotation of the pickersdrums, a pulley L is provided, which may be driven from a pulley L, mounted upon the shaft I-I. The pulley L transmits its motion through spur or worm gearing M, inclosed in an oilbox N, by means of suitable ropes, belts, or the like O, kept taut in any usual manner, to

` pulleys P, carried by the trunnions C, the

picker-drums A being thereby rotated.

The stuff or paper stock is introduced to the drums by pipes Y entering the hollow trunnions O and provided with suitable holes in the bottom, so arranged as to distribute the stock throughout the interior of the drums. By the rotation and vibration of the drums the stock works through the slits in their periphery and into the trough B, whence it is discharged from one side at X, Fig. l, or from the central portion at X, Fig. 3, from which it is conducted away.

i Above the drums a pipe Z is arranged,

which is provided with a number of fine per? forations for supplying j ets of water to the upper outer surface of the drum to effect the cleaning and washing of the same. Within the drums suitable trays c are placed which catch the dirt and coarse material washed from the drum-surface by the water `iets, whence it is led away through the trunnions C at the opposite ends of the drums from the inlet. A gulley c is formed in the bottom of the trough B and provided with a tap d for the purpose of thoroughly washing out the trough B after use.

Having thus fully described my invention, what I claim as new, and desire to secure by Letters Patent, is-

1. In a device of the character described, a supporting-frame, a depending rocker-arm pivoted to the frame, a picker-drum rotating upon trunnions journaled in the rocker-arm to one side of the pivotal support thereof, a cam bearing against the face of the depending arm, means for rotating the drum and the cam, means for limiting the vibratory movement of the depending arm under the action of the cam, an adjustable hammer carried by each rocker-arm, and a resilient abutment for said hammers.

2. In a device of the character described,'a supporting frame, depending rocker arms pivoted to the frame, picker-drums rotating upon trunnions journaled in the rocker-arms to one side of the pivotal supports thereof, a cam arranged between and bearing against the opposing faces of the depending rockerarms, a drive-pulley, belt connections between the drive-pulley and the trunnions, and means for driving the cam and pulley.

3. In a device of the character described, a

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supporting-frame, a depending rocker-arm pivoted to the frame, a picker-drum rotating upon hollow trunnions j ournaled in the rocker-arm to one side of the pivotal support thereof, a cam bearing against the face of the depending rocker-arm, means for rotating the drum and the cam, a feed-inlet to the interior of the drum through the trunnion at one end, a trough arranged beneath the drum, and a discharge-outlet from said trough.

4. In a device of the character described, a supporting-frame, a depending rocker-arm pivoted to the frame, a picker-drum rotating upon hollow trunnions journaled in the rocker-arm to one side of the pivotal support thereof, a cam bearing against the face of the depending arm, means for rotating the drum and the cam, and means for limiting the vibratory movement of the depending arm under the action of the cam, feed-inlet pipes leading to the interior of thedrums through the hollow trunnions at one end thereof, said pipes being provided with discharge perforations, a trough arranged beneath the drums and provided with an outlet from the medial portion of the same above the bottom, and a cleansing-tap arranged in the bottom of the trough.

5. In a device of the character described, a

`supporting-frarne, a depending vrocker-arm pivoted to the frame, a picker-drum rotating upon hollow trunnions journaled in the rocker-arm to one side of the pivotal support thereof, a cam bearing against the face of the depending arm, means for rotating the drum and the cam, means for limiting the vibratory movement of the depending arm under the action of the cam, an adjustable hammer carried by each rocker-arm, a resilient abutment for said hammers, feed-inlet pipes leading through the hollow trunnions to the interior of the drums and discharging therein through perforations, a trough arranged beneath the drums and provided With a discharge above the bottom thereof, a spray-pipe arranged to discharge upon the upper exterior face of the drums, a tray arranged Within the drums above the feed-inlet pipes and discharging at the opposite ends of the drums from the feedinlets, and a cleansing-tap arranged in the bottom of the trough.

In testimony whereof I hereunto aiix my signature in the presence of two witnesses.

CHARLES WALMSLEY.

Witnesses:

F. S. N. PEACOGKE, R. WALLACE TAYLOR.

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