DE1788088A1 - Time control device - Google Patents

Description

OR.-INO. OIPI INS. M.SC. DIPL.-PHYS. DR. OIP1 ..- PHYS.

HÖGER - LEGAL RIGHTS - GRIESSBACH - HAECKER

PATENT LAWYERS IN STUTTGART 1788088

A 36 713 h

10/11/1968

P 14 15 622.0! Dr. A.

Controls Company of America, Student Park, Illinois,

UNITED STATES. ·

■ Time control device

The invention "relates to a timing device with a Switch-acting, step-by-step movable switch cam cam.

There are timing devices that use the functions available are increased by adding sub-interval switches to the timing drum drive system that operate during the individual movement steps or the interval "the time control- • A? omael be operated. When the drum is advanced at high speed to the starting point, there is a need to resume the low speed drive curve at the correct starting point.

The invention is based on the solution to this problem. It solves this task in the aforementioned arrangements by that a control device is provided which rotates in the period between zv / ei switching steps of the switching cam mechanism and thereby actuating switching elements, and that a drive device is provided for switching the switching cam mechanism in sequence as well as a device for transporting the control device in a predetermined starting position in which a correct relative position between the switching cam mechanism and the control

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facility is guaranteed. This can in particular in such a way take place that the port switching device is a partial interval control device effective for the switching steps of the cam mechanism has - and that a device for Fortschalteη of the cam mechanism at high speed and another device is provided, which during the fast port switching of the cam mechanism moves the partial interval control device into its starting position.

fc For a stepping mechanism time control device with a control curve acting on a switch to perform a switching sequence, a control device is proposed according to the invention which can rotate and actuate switching elements during the periods between two switching steps of the control curve, as well as a drive device for rapid port switching of the control curve and another Device which is operated while the control cam is being indexed and which brings the control device into a predetermined starting position in order to ensure a suitable relative position between the control cam and the control device. According to a further inventive concept, it is proposed in a time control device with a crouch acting on the actuation switch and a device for periodic incrementing of the cam for successive actuation of the switch at time intervals that the incremental device has a partial interval control device which is effective between the switching steps of the cam and that a device is provided for indexing the cam at high speed and a device is provided which is effective during the rapid indexing and brings the partial interval control device into its initial position.

An embodiment of the invention is shown in the drawing, namely shows:

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Pig. 1 shows a timing device in a front view.

(partially cut),

Pig. 2 a section "along the line 2-2 of Pig. 1, Pig. 3 shows a section along line 3 - 3 in Pig. -1, Pig. 4 shows a section along the line 4 '-. 4 in Pig. 2 and Pig. 5 shows a section corresponding to Pig. 4 in another switch position.

The illustrated time control device mg has a basic interval.

Here, 10 drives a slow running -Motor a mounted on a shaft cam 12 (Pig. 2) - which acts as a slow speed cam member {- counter-clockwise direction. This curve 12 acts on a scanner 16 in order to pivot a tab 18 in a clockwise direction around the pin 20 against the action of a peder 22. During the slow pivoting of the tab 18 clockwise, the nose 24 of the escapement 26 slides up the inclined part of the next rear ratchet tooth of a ratchet wheel 28, and shortly before the impulse is given to its scanning lever, the nose falls into the next notch of the ratchet wheel. When the scanner 16 has reached the steep sloping portion 30 of the curve 12, the energy of the peder 22 is released and the tab 18 swings rapidly in a counterclockwise direction, causing the nose

24 pressed against the ratchet wheel. (

Simultaneously with this, the escapement pivots about the pin 32 'counterclockwise in order to bring the shoulder 34 into a corresponding ratchet tooth, whereby an overflow is prevented. The ratchet wheel 28 is fastened on a shaft 36 which is rotatably arranged between end plates 38, 40 and which carries the switching cam mechanism, ie cams 42, which actuate puncture switches arranged one after the other on the terminal boards 44.

The control device consists of the forehead cams 50, with the aid of which rapid interval switches 52 are actuated. the

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Siirnkurven 50 are integral with that as an indexing device Serving curve 12. The curve 12 is rotated for each step of the switching cam mechanism by a complete revolution and "actuates the sub-interval switches in a corresponding sequence during a complete work cycle. When the curve 12 is at high speed to move the switch cam mechanism rapidly forward is turned to the starting point, the sub-interval switches become 52 also operated quickly.

Furthermore, a high-speed disk 54 with teeth 56 is arranged freely rotatably on its outer circumference on the motor shaft 14 and has a high-speed cam element, ie an essentially elliptical curve 60 which acts on a lateral finger 62 of the scanner 16. A self-starting motor 64 serves as the drive device for rapid advancement of the switching cam mechanism 42. When voltage is applied to this, its rotor 66 (see FIG. 5) is drawn in between the poles 68 by magnetic action, and the rotor coupling half 70 comes into engagement with the pin coupling half 72, whereby the pinion gear 74 meshing with the teeth 56 is rotated. As a result, the disk 54 is rotated with the high-speed cam 60, and pulses are given to the ratchet wheel 28 in rapid succession (generally about \ Ji , per second)). ^,

When the string motor 64 is turned off, move. the Clutch spring 76 immediately moves the rotor into the position shown in FIG Position back, whereby the coupling halves are uncoupled. The momentum of the rotor 66 no longer acts through the pinion 74 on the high-speed disk 54 and therefore does not cause the timer to overflow beyond the desired point. It it should be noted that when switching on the high-speed motor 64 the slow-speed motor 10 is switched off, so that the slow-speed curve 12 no movement is given during the high-speed toddler 60 runs idle on the shaft 14. This results in a

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Bumpless high-speed drive without the partial interval switch 52 are actuated or that the scanner 16 hits the slow-speed curve 12.

After the completion of a certain work cycle, the slow speed curve 12 is at some point in the sequence of the Partial interval switch stopped. According to the present invention, there is also a third drive connection, namely combs a pinion 78 on the shaft 80 of the high-speed motor 64 with the Teeth 48 on the circumference of a partial interval cam 46. This consists of a piece with the slow-running curve 12 and the Front curve 50 or it is non-rotatably connected to these. As a result, when the high-speed motor 64 is switched on, the slow-speed cam disc becomes 12 rotated only so long until the pinion 78 comes to the broken portion 82 of the disc 46, whereby the rotation of the slow speed curve is stopped "because the pinion then no longer engages in the teeth 48.

This arrangement prevents the low-speed drive connection from constantly running along during the entire high-speed forward movement and ensures that the partial interval cam 46 each time the switching mechanism is started, it is at the same starting point in relation to the partial interval switch sequence. By this orientation of the low speed drive connection by pinion 78 also becomes the low point of curve 12 with the scanner 16 brought into agreement so that they are with the scanner during its actuation through the fast-moving curve 60 is not engaged. Since the slow-speed curve is temporarily activated by the high-speed motor 64 after the slow-speed motor has been switched off 10 rotated v / ird, an overrunning clutch is provided in the transmission, through the correct assignment of the disc 46 at the starting point a full sub-interval switch sequence is available on the first interval. When voltage is applied to the low-speed motor to start the selected program, will

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10/11/1968

the disk 46 rotates and comes into engagement with the pinion • To prevent the teeth of the disk from clashing with the pinion jam if the parts are not correctly positioned, a recess 84 is provided behind the first teeth of the "disk 46, to make it easier for the teeth to mesh with a certain degree of flexibility.

If a specific program sequence is selected on a device during operation, the high-speed motor 64 is switched on. As a result the magnetic effect of the poles 68 moves the rotor

"against the action of spring 76, causing the coupling halves 70 and 72 can be coupled. The high-speed curve 60 drives the switching cam mechanism 42 with rapid rotation until the starting point of the selected program found it. When the motor 64 is switched on, it first rotates on the rotor shaft arranged pinion 78 the sub-interval cam 46 so long until the broken portion 82 next to the pinion has arrived. Since the pinion no longer meshes with the teeth of the disk, the latter stops, and so does the partial interval switch 52 are not operated. When the switching cam mechanism has reached the starting point, the high-speed motor 64 is switched off, and the coupling halves 70 and 72 are consequently

r the action of the clutch spring uncoupled.

The partial interval cam 46 is broken out as a result of it Section always stopped at the same point in such a way that when you turn on the slow-speed motor 10 at the beginning of a Interval starts up and the switching cam mechanism moves with time control speed during the selected work cycle.

The elliptical high-speed curve 60 runs ^ during the normal slow motion empty on the MotorweTLe 14 and does not turn with the partial interval cam 46. If the high-speed disk 54 should turn with the shaft 14, this is

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prevents the high point of the elliptical curve 60 from being higher than the high point of the curve 12. If the latter denotes the Drives scanner 16, the former cannot rotate underneath the scanner, and the one that was let off during the forward stroke Force of the scanner 16 pushes the elliptical curve away.

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Claims (4)

10/11/1968 claims 1. Time control device with a switching cam mechanism which acts on the switch and can be moved step-by-step by a control device (50) which rotates in the space between two switching steps of the switching cam mechanism (42) by animals and thereby ^ switching organs (52) operated, as well as one; Drive device (64) for fast port switching of the switching cam mechanism (42) and also by a device (78, 82) effective during the port switching of the switching cam mechanism (2 ") for transporting the control device (50) into a predetermined one. 'Starting position in which a correct relative position between the switching cam mechanism (42) and the control device (50) is guaranteed. 2. Time control device, in particular according to claim 1, with a step-by-step progressive cam mechanism for successive ■ pressing. Switching elements at time intervals, thereby characterized in that the Eort switching device (12) is a partial interval control device effective between the switching steps of the cam mechanism (42) (46, 50) and that a device (64) for switching the cam mechanism (42) at high speed and a further device (78, 82) is provided which during the rapid port switching of the cam mechanism (42) moves the partial interval control device (46, 50) into its starting position. 3. Step-by-step timing control device, in particular with a control cam (42) acting on switches for executing a switching sequence, characterized by a control device (50) which can rotate and actuate switching elements (52) during the periods between two switching steps of the control cam (42), by a drive device (64) for rapid port switching of the control cam (42) and by a device (78, 82) which - 9 -109883/0696 Ill ¹ ' ^{3 h} , - ^g - 1738088 11.1Οτ1968 while the control cam (42) is advanced and the control device (50) in a predetermined Brings the starting position to a suitable relative position between the control cam (42) and the control device (50) to ensure. 4. Time control device, in particular according to one or more of the preceding claims and with a cam (42) acting on the actuating switch and a device (12, 16, 18, 26) for periodic switching of the cam (42) for successive actuation of the switches in time . Intervals, characterized in that the port switching device (12) has a sub-interval control device (50), the steps between the switching of the cam (42) is effective, and that a device (60, 62) for advancing the Cam (42) with high speed and a device (78, 82) is provided during the rapid indexing is effective and brings the partial interval control device (50) into its starting position. 109883/0696