DE2036643B - Wedge coupling between the drive shaft and the eccentric ring mounted on it, as well as the method for operating the same - Google Patents

Description

'3 4

From the cylinder 1, the sample card 2, which the arm 10 also swivels and reaches the in

control of the (not shown) shafts, with- F i g. 2 drawn position. At the same time the wedge becomes

come along. The hole 3 is taken from the reading 13 from the space 30 (position F i g. 1 and 5) nut

needles 4, 4 'scanned by the carrier 5, 5' of the latched and engages in the recess 29 of the shaft

Needles from the springs 6, 6 'from the stationary block 23 5 15 (position F i g. 2 and 6), in that the guide

pressed away against the sample card. Rand 14 is located on the groove 27, the wedge 13 radially

If there is no hole 3 in the sample card, the inside is displaced. So that the eccentric ring 28 is with

del 4, 4 'on the card 2 and the pivot lever of the drive shaft 15 is coupled, and by a rotary

7.7 'swings at the nose 24.24' of the carrier 5.5 'tion of the eccentric ring by 180 ° becomes the shaft

past. But if there is a hole 3 in the pattern io over the connecting rod 18 and the shaft train in the

card 2, the needle sinks under the pressure of the deep compartment controlled.

Spring 6, 6 'a little into the hole, whereby the should all shafts - regardless of the controlled by the nose 24, 24' in the pivoting range of the lever 7, T sample card and the preinstalled system and the pivot lever 7, T via the Nose 24, position - the middle position between the upper shed and 24 'takes the carrier 5.5' with it, which thus occupies the 15 lower shed - which, for example, to the pulling element 8 with the compensating spring 9 counteracts the switching tension of all warp threads with a longer working forearm 10 the force of the spring 12 is important to break down - so the cam 32 is pulled by 90 °. The force of the balancing spring 9 must be twisted larger. The position shown in FIG. 3 is obtained. That being as the force of the switching arm 10 holding back the entire preinstallation system with the reference numerals 1 to 9, the spring 12. ao is switched off and can no longer have any effect

The switching arm 10 is pivotable on the axis 25 to exercise the switching arm IC. As Fig. 3 shows, brings

mounted and has a bore 26 in which the switching arm 10 moves the wedge 13 into a central position,

the drive shaft 15 of the dobby is located. The one in which he entered both room 30 and the

Edge 14 of the bore is cranked like a collar and recess 29 engages where it is supported by shaft 15

engages in the groove 27 of the wedge 13, where it is taken as a as. Wouldn't be a corresponding one

Control cam is used. In the eccentric ring 28, the wedge 13 safety device is provided on the coupling,

mounted so that it can move radially and can either be moved into a so this control would break any part

the recesses 29 of the drive shaft odei in les lead. But since the guardrails 16,16 'on the one hand

one of the spaces 30, 30 'between the ends of the resilient material and their fastening

Engage the resilient guide rails 16, 16 '. On the 30 supply via the pins 31 and the slots 17 on the other hand

The eccentric ring 28, which is designed to be resilient on the drive shaft 15, can have the corresponding

is stored, the connecting rod 18 is slidably seated and dodging at the guardrail 16, as shown in FIG. 4

the rotation of the coupled eccentric ring with which to bring all shafts into the middle position, the

Drive shaft the rotational movement of the shaft in the drive shaft with the wedge controlled in this way by 90 °

a translational movement for the shaft rotated by 35.

transforms. The guide 19 secures the connecting rod 18 The process described above also takes place,

against twisting. At the end of the course - if for some reason the wedge is wrong -

Belstange 18 engages the pulling element 20 to (is not controlled in a middle position,

drawn) shaft. On the connecting rod 18 are important for the function of the invention

four pins 31 arranged, the 40 wedge coupling for the slots 17 is the alternative of the guide

Guide and stops for the guard rails 16, 16 ', rails 16, 16'. Unless these are springy

serve. Steel can exist outside the rails

In the position according to FIG. 1 v, ar the left springs are arranged, which they radially inward Press the needle carrier 5 'released from the pivot lever 7' until the pins 31 stop in the shaft and the needle 4 'pierced under the action of the 45 zcn 17.

Insert spring 6 'into hole 3 of the sample card. As a result, the longitudinal extension advantageously runs

the nose 24 'reaches the area of the swiveling slot in such a way that the axes of two slots each

hebeis 7 ', which now fully pushes in the needle. And one of the spaces 30, 30 'are adjacent, the

ter the effect of the tension spring 12 is the central position of the connecting rod 18 on this

Switching arm 10 in its highest position, d. H. it is 50 room facing side with respect to the center point

cut on the one hand against the rotatable cam 32 and .es M of the bore of the connecting rod 18,

on the other hand, he pushes the wedge 13 into the space 30. The ends are used to form the space 30, 30 '

Shank is located in the upper compartment, and the drive of the guide rails 16, 16 'beveled so that the of

Shaft 15 rotates without influencing the eccentric ring - they open spaces formed on both sides. When the needle carrier is lowered in a non-positive manner, notches form the larger opening of which the switching point M is now turned towards the central arm 5 'through the pivot lever.

For this purpose 2 sheets of drawings

Claims (6)

fes of a wedge of a coupling, in particular a patent claim: dobby with continuous or discontinuous 1. Device for blocking the drive shaft rotating at a standstill and bearing on it Securing during the run of a wedge system eccentric ring, which is a connecting rod for deodorant a clutch, in particular a shaft S drive carries a shaft, the wedge in the machine with continuous or discontinuous eccentric ring is mounted radially displaceable and after borrowed rotating drive shaft and on it patterned control either in a separate bearing Eccentric ring that engages a crank rod for munging the drive shaft or with both of the cranks Carries drive of a shaft, the wedge rod in operative connection is mounted radially displaceably in the eccentric ring io There are drive devices for shaft machines and according to the pattern control either in NEN known that have wedge clutches with a recess in the drive shaft engages: or that per shaft between which the rotational movement with the connecting rod comes into action, in a translational movement converting characterized in that on the connecting rod and the drive shaft an eccentric Kurbelsfatige (18) is arranged approximately centric to the outer 15 On this ring there is a circumference of the eccentric ring (28) two wedge, which is from a sample card is controlled approximately semicircular guide rails (16, 16 '} and are arranged by its approximately radial movement on the radially displaceable, whereby the eccentric ring brings this either with the drive shaft under the action of radially inwardly or with the connecting rod into engagement Fcder ^ tension each on fixed lines cheats (31) 20 two control positions are necessary in order to move the abutting and in this position as a guide for the suspended shaft in the high-level or low-level areas with the drive shaft (15) in normal position or in one of these two positions to be held in the extended state as a gene. For certain work on the guide for the with the drive shaft in anor looms, z. B. Adjustment of the shafts, if the wedge (13) is in engagement or as a holding device, it is advantageous to bring all the shafts into the central position for those not in contact with the drive shaft, which is achieved by the fact that the wedge only grips serve standing wedge. is half engaged with the drive shaft. 2. Device according to claim 1, characterized in this consciously achieved setting but is the indicates that the guardrails (16,16 ') from the wedge are now also in half the position of engagement with the resilient material, preferably spring steel, loading connecting rod. Without special measures in the stand and about at least two coupling approximations this would lead to an overload in some radial direction Run running slots (17) per semicircular part. The same shortcoming arises mige guardrail (16, 16 ') on the connecting rod but also in the event of an unintentional malfunction (18) The wedge can be moved by the length of the slots. are fixed, the predetermined spring tension 35. The object of the invention is an arrangement that the guardrails put these in their innermost position which eliminates this disadvantage. Brings slots against the drive shaft (15). The device of the type described draws 3. Device according to claim 1, characterized in that indicates on the connecting rod, that each semicircular guide is approximately centric to the outer circumference of the eccentric rail (16, 16 ') in slots (17) displaceable 40 terringes two approximately semicircular guide slide bearings and springs are arranged, which are arranged radially displaceably the guide vanes, wherein they seemed with their stops (31) in the innermost under the action of radially inward Press the position of the slots. The spring tension is always applied to fixed stops and 4. Device according to one of claims 1 in this position as a guide for the with the ance 3, characterized in that the two drive shafts are in normal engagement or wedge semicircular guide rails (16, 16 ') together in the spring-loaded state as a guide for the mil men approximately a circle and abnormally meshed at their thrusts on the drive shaft provide a space (30, 30 ') to accommodate the wedge or as a holding element for those who are not connected to Form the tip of the wedge (13). Drive shaft engaged wedge serve. 5. Device according to one of claims 2 50 In the drawing is an embodiment of the to 4, characterized in that the extended subject matter of the invention is shown. The figure pointer The axis of the slots (17) is the connecting line between the device in different operating positions see the two formed by the joints, namely: Spaces (30, 30 ') closer to their neighboring Fig. 1 shows the schematic view of the coupling Butt joint crosses as the center point (M) of the 55 and the control mechanism of a dobby be Hole in the connecting rod (18) is each. Elevated position of the shaft and from the welli 6. Device according to one of claims 1 disengaged wedge, to 5, characterized in that the guide rails F i g. 2 the same view when inserted into the shaft NEN (16, 16 ') beveled locked wedge at their joints, are so that the space formed by them (30, 60 F i g. 3 the same view at half in the shaft 30 ') forms a notch open on both sides, locked wedge to achieve the middle position de whose larger opening is towards the inside. Shaft, 4 shows the control corresponding to FIG and view after the drive shaft ¹ I ₃ a 65 has made a full turn, F i g. 5 shows a section along the line X-X in FIG. The invention relates to a device for blocking and tion at a standstill and backup during operation. F i g. 6 shows a section along the line Y-Y in FIG. J