DE3332682A1 - Inside spraying device for bottles in bottle-cleaning machines - Google Patents

Abstract

For spraying the insides of bottles in cleaning machines, spraying tubes are provided which are sealed off at top and bottom but which are guided in a raisable and lowerable spraying tube box so as to be axially displaceable. If a spraying tube collides with a resistance when the spraying tube box is being raised, it is displaced downwards, whereas the other spraying tubes can penetrate the bottles without hindrance; at the same time, no more spraying liquid is fed to the displaced spraying tube. When the spraying tube box is lowered, displaced spraying tubes return to the starting position.

Description

The invention relates to an internal spray device for Bottles in bottle washing machines, with those that can be inserted into the bottles and are suitable for dividing the cells of the Bottle baskets, which can be raised and lowered by a drive, carry cleaning fluid and are attached to a spray tube carrier arranged spray pipes that carry spray nozzles on the upper part.

In the beverage industry, the so-called returnable bottles, which are used several times between the bottling plant and Put back consumer, subjected to an extensive and careful cleaning process before refilling. A significant cleaning effect can be achieved through mechanical cleaning, which is performed at higher powers than High pressure spray is carried out. This process applies to both the outside and the inside of the bottle applied.

The latter, also called internal injection, can be done by means of injection devices take place, the nozzles are arranged below the with the mouth led down bottles and inject through the mouth or they have spray tubes with nozzles that are inserted into the bottles. The known devices with insertable spray tubes, however, have disadvantages. DE-PS 708 561 shows an embodiment with two can be raised and lowered one behind the other in the transport direction of the bottles coupled rows of spray tubes, connected by a hose for the spray liquid. Now becomes a spray pipe 0 is prevented from entering the bottle, e.g. due to insufficient centering, a closed bottle, etc., the Complete series with held back and the spraying takes place in an uncontrolled manner outside the bottles.

A similar structure is disclosed in DE-GM 83 02 147, where

however, both spray rows are rigidly coupled. If a spray pipe encounters an obstacle during the lifting movement, either the spray pipe or the obstacle is damaged, which then leads to corresponding damage when repairing the damage Can lead to downtimes.

The object of the invention is to provide a trouble-free spray device which can be introduced into the bottles and which is precisely positioned To create spray tubes that allow the introduction of the rest of the spray tubes, even if any Obstacles prevent the insertion of individual spray tubes. According to the invention, this object is achieved according to the characteristics of the Main claim resolved.

The axially displaceable spray pipes ensure that those prevented from penetrating the bottles No damage to the pipes and no ineffective spraying because the jacket opening of the spray pipe is out reaches the supply area with spray liquid. After the downstroke of the spray device, a stop ensures the basic positioning of the displaced spray tube, which is normally carried out by a fixing groove in which one is spring-mounted Ball engages, is ensured.

In a further embodiment of the invention it is provided to arrange two or more rows of spray tubes one behind the other in order to to achieve a more intensive internal injection.

The invention is shown schematically and by way of example in the drawing. Show it:

Fig. 1: a cross section through the inventive Spray device in basic position

Fig. 2: the same, simplified in the working position; Fig. 3: the same, with a displaced spray tube Fig. 4: the double arrangement of rows of spray tubes

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Details such as lifting mechanism, spray media supply line, bottle carrier, etc. have not been shown because they are used for Understanding are not required.

Fig. 1 shows the raisable and lowerable spray device with the spray tube box 1, which with the spray liquid is charged. The spray tube box 1 has a large number of them arranged next to one another on the top and bottom Breakthroughs 2, over which guide strips 3, 4 are welded, which also accommodate the seals 5. These are secured by a locking ring 6 or by a threaded piece 7. Lead through all of the parts mentioned so far Spray pipes 8, each of which has the spray nozzle 9 at the upper end, and a jacket opening in the region of the spray pipe box 1 10 and a stop plate 11 at the lower end. A fixing groove 12, which is aligned with a hole in the threaded piece 7, runs a little above the stop plate 11 and a ball 13, a compression spring 14 and one Adjusting pin 15 receives.

A stop strip 16 attached to the machine housing ensures that a displaced spray tube 1 is pushed back into the basic position (Fig. 1) on the downstroke and clicks into place.

For internal spraying, the spray tube box 1 together with the spray tubes 8 is raised (Fig. 2), the nozzle 9 and part of the spray tube 8 enters the interior of a bottle 17 held above it in a bottle cell. Spray liquid then flows out of the spray tube box 1 via the jacket opening 10 and the nozzle 9 of the spray tube 8 against the Inside wall of the bottle and can achieve a particularly good cleaning effect there.

However, if a spray pipe 8 of the spray pipe box 1, e.g.

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• when inserting into a bottle 17 on any obstacle, e.g. shards, closures, bent parts etc., it becomes relative to when the spray tube box 1 is raised further this shifted down, whereby damage to the spray tube 8 or the nozzle 9 is avoided. It can however, all other spray tubes of the spray tube box 1 are introduced into the bottles, so that no impairment in this respect the cleaning of those bottles takes place that allow the entry of the spray tubes. With that down displaced spray tube 8, according to FIG. 3, the jacket opening 10 reaches the area below the seal 5, whereby this spray tube no longer receives any cleaning liquid and thus its ineffective spraying of cleaning liquid is prevented.

During the downward stroke of the spray box 1, the stop plate 11 of a spray tube 8 that has been displaced downward strikes against the fixed stop bar 16 and is so again in the Basic position (Fig. 1) brought in which the ball 13 in the Fixing groove 14 engages.

Fig. 4 shows on a reduced scale two arranged one behind the other in the conveying direction of the bottles with a common one Spray tube box 1 provided spray tubes 8, which can be introduced together in two rows of bottles.

In each case, only that spray tube 8 is moved downwards, that meets an obstacle. When lowering, the displaced spray tube returns to its starting position (Fig. 4). With this arrangement, too, the remaining spray pipes of the spray pipe box 1 can enter the interior unimpeded of the bottles 17 are introduced, nevertheless one or more Spray pipes encounter an obstacle and are moved downwards relative to the spray pipe box.

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Claims (2)

• SEITZ ENZINGER NÖLL Mannheim, 08-09-1 983 MASCHINENBAU AKTIiNQESELLSCHAFT rpr> / T / O applicant no. 1 783 831 Internal injection device for bottles in bottle washing machines Claims 1.) Internal injection device for bottles in bottle washing machines, with a drive that can be inserted into the bottles and is suitable for dividing the cells of the bottle baskets Raisable and lowerable cleaning liquid leading, arranged on a spray pipe support spray pipes, which on the upper part Carrying spray nozzles, characterized in that the spray pipe carrier designed as a spray pipe box (1) upwards protruding spray pipes (8) both on the top of the spray pipe box (1) and on its underside by means of on the spray pipe box (1) arranged guide strips (3, 4) are sealingly and axially displaceably mounted that the Spray pipes (8) each closed at the lower end and a sprung bolt (13 to 15) of the lower threaded piece (7) assigned fixing groove (1-2), as well as a stop plate (11) as a lower end that the spray pipes (8) a casing recess (10) as a liquid inlet opening in the part running inside the spray tube box (1) have and that the stop plates (11) of the spray pipes (8) in the lowest position of the spray tube box (1). sit on a stationary stop surface. ■ ■. 2.) Device according to claim 1, characterized in that the spray tube box (1) is divided into two or more in Conveying direction one behind the other guided bottle baskets has axially displaceable spray pipes (8). -2-