DE3025889A1 - Automatic bottle-cleaning machine - has wheels and guides for conveyor along Z=shaped path from top of bath - Google Patents

Abstract

After passing into the bath the conveyor runs in guides to a point where it is diverted back to the inlet, and thence back at different levels and to the outlet, to which the flushing equipment is connected. The axis of rotation (28) of the conveyor guide wheel (27) away from the inlet (26) is near the level of the liq. in the bath, while that (34) of the further wheel (32) is near the preliminary treatment unit (15) in the bath (16) and above the bottom (25) of the latter. The directions of rotation of the guide wheels and the arrangement of the guides (24) in the bath are such that the conveyor (14) follows a Z-shaped path through the bath from the top downwards, and then to the outlet (37).

Description

Cleaning machine for containers, especially bottles

The invention relates to a cleaning machine for containers, in particular bottles, according to the features of the preamble of claims 1 and 2.

A container cleaning machine of this type is known from the Enzinger prospectus OO ^ O d 2.80 Mu and it can be used in these Longitudinal cleaning machines during operation can cause the container transport device to get stuck, if in the range of motion of the deflection wheel, it is removed from the entry point of the container transport device into the soft bath is arranged and the container transport device guided from the entry point along the grinding floor of the soft bath redirects in the direction of transport to the entry point, deposits from broken fragments, labels, Dirt parts or the like "Contaminations arise" This area is responsible for the formation of such deposits, which lead to the shutdown of the cleaning machine and the failure of the the cleaning machine charged subsequent treatment machines lead, particularly vulnerable because below the deflection wheel between the container grinding tracks are the openings that serve to separate and discharge the impurities from the soft bath are attached that enforce the sanding base and via an ascending narrow discharge channel with the cullet and label delivery device are in communication and via the and the discharge channel the contaminants by means of an im Soft bath in the direction of the cullet and label discharge

130065/0243

direction generated liquid flow are discharged «. If this flow is not sufficient, this leads to the blockage of those arranged in a difficult-to-access point on the machine Opening or "the discharge channel and thus the formation of the disadvantageous deposits"

In this case, the container transport device is due to its in the transport direction from bottom to top and in planes When passing through the soft bath at different heights, the remaining impurities from the bath area of the cullet and label discharge device, which has become ineffective due to clogging, for example to one provided in connection with the exit point of the soft bath and also with the cullet and label discharge device in Associated flushing device to convey · This deficiency is due to the fact that the impurities carried along by the container transport device after passing the deflection wheel from the strand deflected in the transport direction to the entry point, running in the middle level in the soft bath, and onto the strand leading to the deflection wheel fall back of the container transport device and get back into the area of the Umienkrad and in this way also contribute to the formation of deposits

The object of the present invention is for the container transport device in cleaning machines of the to create a course of movement through the soft bath, which ensures that the impurities occurring in the soft bath are removed with the support of the container transport device and those in the soft bath lead to machine malfunctions

130065/0243 - 5 -

leading deposits in the area of the deflection wheel located away from the entry point can be avoided.

This task is done for cleaning machines with one of one
single container existing Veichbad according to the invention
the features specified in the characterizing part of claim 1,
for cleaning machines with a soft bath consisting of a lower and an upper trough arranged above solved by the characterizing features of claim 2.

The thus by the inventive arrangement of the deflection wheels
passage enabled for the container transport device
of the soft bath in the transport direction from top to bottom in an approximate Z-shape results both in a soft bath from a single container and in a soft bath from lower and lower
the upper tub arranged above the essential advantage,
that a strand of the container transport device below the deflecting wheel arranged at a distance from the entry point in
Moved lower level near the soft bath floor or the bottom of the lower tub in the transport direction to the exit point from the soft bath. This course of movement in the deepest bath area, directed towards the exit point, enables him to reliably capture the impurities in the soft bath and, with the support of the liquor flow, which also acts in this direction, to constantly discharge it via the exit point to the drainage device or the like in the level above it in the direction of the entry point
Dirt falling off the line and also

130065/0243

6th 3025883

if removed from the entry point when the is redirected arranged pulley running upper strand of dirt carried along with this strand, which occurs in soft baths get into the lower tub with a double tub, are detected and discharged, closes the arrangement according to the invention the formation of deposits.

The lower strand assigned by the invention The discharge function also allows the stand the technology required in addition to the flushing device and below the remotely arranged deflecting wheel in the grinding floor recessed openings and the narrow discharge channel for Shard and label discharge device can be dispensed with.

In order to achieve an additional cleaning effect for the containers in the soft bath consisting of the lower and the upper tub arranged above To achieve emptying and refilling with fresh liquor, the invention further proposes that the axis of rotation of the deflecting wheel located away from the entry point below the bottom of the upper tub at the level of the bath level is arranged lower tub. In the case of the different liquor level between the two tanks resulting from this, at Deflection of the container transport device by this deflection wheel which has a higher lye level when passing through Upper tub completely filled container into the lower tub and partially emptied after entering the lower tub refilled, releasing the air taken in during evacuation.

■ - -7 -

130065/0243

Further features of the invention can be found in the dependent claims and the description of an exemplary embodiment shows a bottle washing machine in longitudinal construction with a soft bath formed from a lower and an upper tub arranged above and is shown schematically in the drawing in longitudinal section

In the illustrated cleaning machine for bottles, in which the bottle loading and unloading are arranged at one end of the machine, the bottles pass via the loading device 10 and an adjoining machine opening 11 into the bottle baskets 12, which are attached to endless transport chains 13 and with these the inside of the machine housing form the endlessly revolving transport device Ik · By means of the transport device 14, the bottles to be cleaned are first guided through a pretreatment device in the form of one or more water pre-soaks 15 »then through a lye soaking bath 16 and an adjoining wash-off device 17, below which a cullet and label removal device 18 · After being deflected in the area above the wash-off device 17, the bottles pass several spray zones 19 at different temperatures on the conveying path extending above the pre-soak 15 and the soaking bath Λ6, and then after Durc to be unloaded from a dispensing device 21 to the machine in a drip zone 20

In the exemplary embodiment, the lye soaking bath 16 consists of a lower tub 22 and 23 arranged above it. Both tubs 22 and 23 have guides Zk for the

m 8 -

130065/0243

02588S

Transport device 14 sole on bottoms 25 designed for guiding the bottles. In the upper tub 23 the guides 24 are arranged in such a way that the transport device 14 enters the liquor after passing through the water pre-switch 15 and then redirecting it at the entry point 26 and afterwards a distance following parallel to the tub bottom 25, leading away from the entry point 26 in the transport direction, during which it is submerged together with the bottles, is led out obliquely upwards to a deflection wheel 27 at a distance from the entry point 26 from the upper tub 23 Deflection wheel 27 », which is mounted and sealed on both sides in the machine housing, is arranged on the output side of the upper tub 23 below its floor area and is surrounded by a floor guide 29 adapted to the course of movement of the transport device Ik , which is connected to the floor 25 of the upper tub 23 and as'Wandung JO the lower tub 22 fo In the lower trough 22, the wall JO of which extends essentially parallel and with a gap 31 to the upper trough bottom, a further deflection wheel 32 is arranged adjacent to the water pre-switch 15. In the space 31 above the deflection wheel 32, a channel 33 connected to the bottom of the upper tub 23 and open to this tub runs across the width of the machine and serves to fill the bottle bottoms has a sufficiently large distance from wall 30, tub bottom 25 and one wall JO to ensure bottle transport

130065/0243

m 9 -

are and the tank bottom 25 connecting the transport means 14 semi-circular surrounding wall 35 aufo The deflection wheel 32 is arranged upstream is the liquor activation serving transversely h to the movement direction of the transport device "\ extending wash pipe 36 _f the apertured nozzle upwardly to the transport means 14 directed ·

The bottom 25 of the lower trough 22 and the guides Zh in the trough 22 are guided below the deflection wheel 27 obliquely upwards in the direction of the rejection device 17, whereby between the strand of the transport device 14 that is guided around the deflection wheel 27 and that obliquely upwards to the rejection device 17 There is sufficient mutual distance The drainage device downstream of the exit point 37 of the transport device Ik from the lower tub or the lye soaking bath 16 has a drainage tube 39 coupled to the drive of a spray tube carriage 38 for a lye spraying system and a parallel drainage tube 39 connected to the sloping upwardly sloping bottom 25 of the lower tub 22 Slideways kO for the bottle bottoms · The number of slideways kO corresponds to the number of cells within a bottle basket 12 and their mutual spacing is chosen so that there are sufficiently large passage gaps for the impurities to be removed from the caustic bath «

The cullet and label discharge device 18 , which has the usual structure, is arranged below the slideways kO. Its area 41 for receiving the cleaned liquor is connected to the suction side of a pump 43 by a line k2 . The pressure side of the pump kj is connected via a further line

130065/0243

3025883

the inlet of a heat exchanger 44 intended for heating the caustic bath 16, the drainage pipe 39 and a spray zone 19 used for caustic spraying are connected to this line connection via flexible pipes.Connected to the outlet of the heat exchanger 44 via appropriately dimensioned pipes, the channel 33 ^for watering the bottle bottoms and the rinsing tube 36

With the machine ready for operation, with the bathroom mirror in the lower tub 22 opposite that in the upper tub 23 is lower and is set at the level of the axis of rotation 28 of the deflection wheel 27, the transport device 14 passes through »

Alkalis running the Wasservorweiche 15 at the entry point 2.6 desYWeichbades 16 in the upper trough 23 · In this run the bottles contained in the cells of the bottle baskets, which are emptied after the Wasservorweiche 15 and enter the mouth upwards in the Laugenweichbad 16, with heated liquor fully. After a sufficiently long distance in the transport direction to the deflection wheel 27 in the upper level through the lye soaking bath 16, the transport device 14 is guided obliquely upward out of the upper tub 23 by means of the guides 24 and the deflection wheel 27 and deflected by the deflection wheel 27 in the transport direction to the entry point 26. With this diversion, the bottles are partially emptied and are subject to a mechanical cleaning effect until their mouths are immersed in the caustic solution in the lower tub Adhere to the transport device through the running from the upper to the lower tub over the floor guide 29, by means of the

- 11 *

130065/0243

from the bottom surge 33 ^ - ⁿ the upper tub 23 rinsed lye into the lower tub 22 "

After the bottles have been deflected and immersed in the liquor, the transport device with the partially filled bottles, now with the mouth pointing downwards, runs through the lower tub 22 in the middle plane near the wall in the transport direction to the entry point 26. In this plane of movement, it enters the flow area of the rinsing pipe 36 serving to activate the lye and is then deflected again by the deflection wheel 36 in the transport direction to the distant deflection wheel 27.With this deflection into the lower plane of movement, the bottles assume a position in the bottle baskets 12 with the mouth pointing upwards, so that the The air in the bottles escapes into the lye of the soft bath and fresh lye flows into the bottles.The rising air causes a turbulence in the boundary layer area between the lye and the bottle wall, which activates the lye in the bottles again and thus e in further additional cleaning effect is achieved.

In the lower plane of movement, the transport device Ik finally runs close to the floor, the lower tub 22 in the transport direction leading away from the deflection wheel 32 and reaches the upwardly sloping guides Zk of the tub 22 in the region below the deflection wheel 27 Transport device Ik from the line running along the wall 30 in the plane above

-12 «

130065/0243

«13 m

falling and sinking impurities when leaving the caustic bath 16 at the outlet 37, the transport device 14 passes through the twisting device 17 Discharge device 18 flows over, as well as with the lye from the drainage pipe 39 following the transport device Ik, the existing impurities are removed from the transport device Ik and the bottles in the drainage device 17 and fed to the cullet and label discharge device 18 assigned to the lye soaking bath 16 Deflection 45 downstream in the transport direction, the transport device 14 then reaches the transport path leading to the injection zones 19

The advantageous passage of the transport device 14 resulting from the above-described arrangement of the guides Zk and the deflecting wheels 27 and 32, approximately in a Z-shape in planes of different heights through the lower and higher arranged upper tub existing lye soaking bath 16 is with the appropriate

of the tours. and the arrangement ""! V usually in pairs, for machines large overall width to several deflection wheels attached to a rotary axis also achievable with lye soaking baths,

which consist of a single container · In this application, however, the one in such a container leaves the same Lye level at a level when the transport device is diverted from the upper level to the middle level, no bottle emptying and the associated additional cleaning effect for the bottles

Claims (3)

SEITZ-WERKE GmbH, 65 = 0 Bad Kreuzuscli QV 4.0QQJ P 2663 / G 266 ^ (PatxRf / MO - 07/08/1980) Patent claims: 1.) ^ Cleaning machine for containers, especially bottles, with container feed and discharge, pretreatment device, soft bath, in particular externally heated soft bath, wash-off device, label and cullet discharge device, spray zones and container transport device, which circulates endlessly in the machine via deflection wheels and guides and the soft bath provided with such guides after entry at an entry point by deflection by means of a deflection wheel arranged away from the entry point in the transport direction to the entry point and subsequent deflection by means of a further deflection wheel arranged in the area of the entry point in the transport direction leading away from the entry point over sufficient distances in different levels Heights to a soft bath outlet _# which is followed by the wash-off device, characterized in that the axis of rotation (28) of the deflection wheel (27) arranged at a distance from the entry point (26) i «area of the soft bath level and relative to the mirror height, the axis of rotation (3 * 0 of the further deflection wheel (32) adjacent to the pretreatment device (15) in the soft bath (16) above the soft bath floor (25) and the direction of rotation of the rotating wheels (27i32) and the The guides (2 * 0 in the soft bath (i6) are arranged in such a way that the container transport device (14) moves the soft bath (16) in an approximately Z-shape from top to bottom to the exit point (37) 130065/0243 runs through ο - 2 - 2,) Cleaning machine according to claim 1, with a soft bath, in particular externally heated soft bath, from a lower and an upper tub arranged above ₍ which are provided with guides, characterized in that as the entry point (26) of the container transport device (16)
in the softbacTVcTer bath level of the upper tub (23), the bath level of the lower tub (22) is provided as the exit point (37) and that the axis of rotation (28) of the deflection wheel (27), which is remote from the entry point (26), is on the output side of the upper tub ( 23) below the tub bottom (25), the axis of rotation (3 ¹ O of the further deflection wheel (32) next to the pretreatment device (15) above the bottom (25) of the lower tub (22) and the direction of rotation of the planetary gears (27532) and the Arrangement of the guides (2 ^) in the tubs (22) 23) are made such that the container transport device (lh) approximated the soft bath (16) from the upper through the lower tub (23; 22) to the exit point (37) runs through in a z-shape. 3.) Cleaning machine according to claim 2, characterized in that that the axis of rotation (28) of the deflecting wheel (27) located away from the entry point (26) is below the bottom (25) the upper tub (23) is arranged at the level of the bath level of the lower tub (22) k,) Cleaning machine according to one of claims 1 to 3, characterized in that the passage gaps between the slideways ( ¹ K)) of the Abs rolling device (I7) connected to the sloping upwardly guided bottom (25) of the soft bath (16) Elimination of impurities d ·· soft baths »are sufficiently developed. 130085/0243 - 3 -