DE19713914A1 - Ring spinning machine with pneumatically loaded top rolls - Google Patents

Abstract

The ring spinning machine has a number of drawing mechanisms and pneumatically loaded top rolls. The top rolls are located on carrying and loading arms especially adapted for carrying the top rolls. There is a pressure line on each arm which leads to the loading element of the top roll. All of the pressure lines incorporate leak displays (10) for optical control of any leakiness in the line.

Description

The invention relates to a ring spinning machine with a drafting device pneumatic, on their upper roller support and load arms loaded top rollers are arranged, with each top roller Low centering and load from a central pressure line branched pressure lines to the load elements of the Top rollers are guided.

Ring spinning machines with pneumatically loaded top rollers are today the rule. Through aging processes or mechanical Injuries can cause leaks in the pneumatics system of the spinning machine come, being the main hazard areas for a leak in the to the upper roller bearing and Low-pressure pressure lines. Especially The connection points of pressure are particularly at risk lines to the central pressure line of the machine and to the Stress elements but also the stress elements themselves. One is already from the utility model G 85 21 340  Leakage monitoring device for a ring spinning machine known, but this monitoring device is in the zen arranged pressure line so that the occurrence of a Leaks can be reliably determined, but not the exact place of its occurrence. Because modern ring spinning machines equipped with 300 to 500 upper roller support and load arms leak detection is very time consuming.

To remedy this problem, the invention rings a ring spinning machine of the type mentioned, according to the invention there is characterized in that in all pressure lines Upper roller bearing and low-load leakage displays arranged that are a visual control of the occurrence of a leap Allow the relevant pressure line to operate. This leakage Ads can be in addition to a leakage indicator in the central pressure line can be provided. So that's a quick one Finding a leak anywhere in the pneumatic system of the Ring spinning machine possible. The leakage indicators can each have a float that occurs when an Leakage occurs in the area of a viewing window. Instead of a float, however, an impeller can also be used or any other sensor to detect one Flow of the pressure medium may be provided. To a current of the print medium only occurs when a leak occurs. in the In contrast, normal operation prevails in the entire system constant pressure. In addition to the visual display, the Leakage indicators also give an acoustic signal when they occur cause a leak. This can cause an occurring Leak can be detected even more quickly.

Two exemplary embodiments of a leakage Display for a ring spinning machine based on the drawing explained.

Show it:  

Fig. 1 is a partially sectioned side view of a leakage indicator with a floating body;

Fig. 2 is a partially sectioned side view of a leakage indicator with an impeller.

Fig. 1 shows a pressure line 10, whose both ends are connected to a disposed at one Oberwalzentrag- and loading valve. Inside the pressure line 10 is in the longitudinal direction of the conduit 10, a movable ball 11 arranged in the direction of the arrow 12 through the Lei tung 10 flowing pressure medium into the region of a viewing window 13 is pressed at a. The appearance of the ball 11 in the area of the viewing window 13 thus reliably indicates the presence of a leak in the pressure line 10 .

When valve 20 of FIG. 2, however, an impeller 21 in the flow path 22, 23 of the pressure medium is arranged. As soon as the pressure medium flows through the occurrence of a leak, the impeller 21 rotates, which can be observed again through a viewing window.

The embodiments of a leakage indicator shown in FIGS. 1 and 2 are only examples. Other types of sensors such as lamellae or the like can also be used here to determine a flow of the pressure medium.

Claims (5)

1. Ring spinning machine with drafting devices, on the upper rollers of which load-bearing and loading arms are arranged, pneumatically loaded upper rollers, with low-pressure branch lines branched from a central pressure line to the loading elements of the upper rollers on each upper roller bearing and loading, characterized in that in all pressure lines of the upper roller center - And low-load leakage displays ( 10 , 20 ) are arranged, which allow an optical control of the occurrence of a leak in the pressure line in question. 2. Ring spinning machine according to claim 1, characterized in that the leakage indicators ( 10 ) each have a float by ( 11 ) which occurs in the event of a leak in the area of a viewing window ( 13 ). 3. Ring spinning machine according to claim 1, characterized in that the leakage indicators ( 20 ) each have an impeller ( 21 ) arranged in the region of a viewing window. 4. Ring spinning machine according to one of claims 1 to 3, there characterized in that in the central Drucklei device is also arranged a leakage indicator. 5. Ring spinning machine according to one of claims 1 to 4, there characterized in that the leakage indicators an acousti Trigger a signal when a leak occurs.