Conveyors – chutes – skids – guides – and ways – Chutes – Switch
Patent
1996-01-04
1998-03-24
Valenza, Joseph E.
Conveyors, chutes, skids, guides, and ways
Chutes
Switch
198367, 198442, B65G 1120
Patent
active
057302707
DESCRIPTION:
BRIEF SUMMARY
The invention relates to a switching device in accordance with the preamble of patent claim 1.
DE 41 03 849 has disclosed a swivel-out device which permits a rapid, stop-free swiveling operation without the need for damping stops at the end of the swiveling movement. This device has a coupling triangle in which two corners are arranged on the piston rods of actuating cylinders, the casings of the actuating cylinders forming the fixed points for the swiveling movement of the coupling triangle. Damping during swiveling is obtained by the use of pneumatic cylinders.
It is the object of the present invention to provide a switching device with a swiveling deflector which permits a rapid, damped swiveling movement of the swiveling deflector without the need for damping stops at the end of the swiveling movement.
With the above object in view, the present invention resides in a switching device with a swiveling deflector for delivering goods to be transported from one of at least two delivery channels, wherein the swiveling deflector is positioned at the free end of a leaf spring clamped into a bearing block, wherein the force is introduced into the swiveling deflector, wherein the surface of the swiveling deflector has a predetermined curvature and the cross section of the swiveling deflector is tapered in the direction counter to the bearing block, wherein the bearing block has a horn-like shape, wherein the bearing block and the swiveling deflector have respective concave and convex connecting regions in the bearing region of the leaf spring, and wherein the bearing block has a recess that extends along one region of the leaf spring, within which the leaf spring is freely movable during the swiveling movement.
Further advantageous embodiments of the invention can be taken from the subclaims, the description and the attached drawings.
A particularly advantageous feature of the invention is that play-free, flexurally and torsionally rigid swivel-mounting of the swiveling deflector is achieved in a manner such that a build-up of restoring forces takes place in the bearing when the swiveling deflector is rotated out of the central position in either direction. Attention should be drawn, in particular, to the fact that this has made possible the integration of the functions of "mounting" and "build-up of restoring forces".
It is advantageous if the force for executing a swiveling movement is introduced by means of a fixing element which is arranged ridigly on the swiveling deflector and is connected to the piston rod of a movement cylinder.
Flexible kinetic dimensioning of the switching device is advantageously achieved by means of punched-out regions of the spring at certain points.
A particularly simple means of securing the leaf spring on the swiveling deflector and in the bearing block is achieved by clamping the leaf spring in each case into a slot.
In order to permit unhindered movement of the leaf spring over a sufficiently wide range and to adjust the natural frequency of the system, it is advantageous to provide within the bearing block a recess which extends along one region of the leaf spring and within which the leaf spring is freely movable during the swiveling movement.
The switching device can be used to advantage in a conveying device for discharging transported material from a delivery channel or, in a chute device, for discharging transported material into one of two discharge channels.
An exemplary embodiment of the invention is described below with reference to drawings, in which:
FIG. 1 shows a side view of a switching device according to the invention and
FIG. 2 shows a bottom view of a switching device according to the invention .
In FIG. 1, 1 denotes a swiveling deflector which is attached to a bearing block 2. A leaf spring 3 is provided as a mounting, being attached to the swiveling deflector on a first side 3a and to the bearing block on a second side situated opposite the first. The force for executing the swiveling movement is introduced directly into the swiveling deflector. This can b
REFERENCES:
patent: 2265261 (1941-12-01), Bergmann
patent: 3465870 (1969-09-01), Paulsen
patent: 3731796 (1973-05-01), Smith
patent: 4830173 (1989-05-01), Hartness et al.
Licentia Patent-Verwaltungs-GmbH
Valenza Joseph E.
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