• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    filling element and machine of a filling system or a filling machine for filling cans or similar containers. the invention relates to a filling element of a filling system or a filling machine for filling cans or similar containers (2) with liquid contents, comprising a filling element housing (6), which has at least a dispensing opening (8) in a housing portion (6.1) for dispensing the contents in the respective container in a controlled manner, comprising a sealing tulip (13), which can be moved relative to a housing portion (6.1 ) on a filling element axis (fa) between a raised portion and a lowered position, in order to seal against an opening edge (2.1) of the container (2), and comprising sealing means (16) to seal the transition between the sealing tulip (13) and the filling element housing (6).
    公开号:BR112014028378B1
    申请号:R112014028378-8
    申请日:2013-07-13
    公开日:2020-09-01
    发明作者:Dieter-Rodolf Krulitsch
    申请人:Khs Gmbh；
    IPC主号:
    专利说明:

    [0001] The invention relates to a filling element for filling systems or filling machines for filling cans or similar containers, according to the preamble of claim 1 and to a filling machine, according to the preamble to claim 8.
    [0002] Filling machines for filling, in particular, for filling pressure in cans in the form of cans with a filling liquid (eg beer, soft drinks, etc.), are known in a variety of modalities. It is usual, especially on filling machines with a high capacity (number of containers filled per unit of time), that the sealed contact between the filling element and the respective container is arranged below a filling element or on a conveyor. container, is achieved by lowering a sealing tulip over the container from which it is then in contact sealed with a seal against the edge of the container orifice in question, thus creating a space that includes, among others, the container orifice and the delivery of the filling element and which is sealed to the outside. The sealing tulip which is formed by an annular body is arranged in a section of the filling element compartment so that it can be moved parallel to an axis of the filling element, between an elevated position and the lowered position. At least one sliding seal that surrounds the axis of the filling element is provided between the annular body of the sealing tulip and the outer face of the housing section, in order to seal the transition between the annular body and the compartment of the filling element. While the filling machine is in operation, the sliding seal must be lubricated constantly with water, in order to minimize wear, in particular, the wear of the sliding seal itself. However, the water needed for lubrication cannot be prevented from also entering the container as a result of drops running into it, something about which customers and consumers take an increasingly critical view. In the case of an antiseptic, in particular also filling a cold antiseptic from a filling material in cans or similar containers, dirt particles, bacteria, etc. they can also not be prevented from passing the sliding seal and entering the containers or a clean room that accommodates these containers during filling, or in the antiseptic region of a filling machine.
    [0003] The object of the invention is to provide a filling element that avoids the sliding seal between the sealing tulip and the filling element compartment and the disadvantages that are associated with that seal. A padding element, according to claim 1, is configured to resolve this object. A filling machine is the subject of claim 8.
    [0004] The lifting movement of the sealing tulip - which is also preferably configured as or acts as a centering tulip - on the axis of the filling element between the initial raised position and the lowered working position is carried out, for example , by a meat follower device, that is, controlled by cam, with the contact pressure by which the sealing tulip is against the edge of the container orifice during filling, at least in part, being generated by the pressure of pre-tensioning and / or filling, with the possible assistance of a compression force applied by the meat follower.
    [0005] The compression force generated by pre-tensioning and filling pressure is essentially determined by the effective diameter of the bellows taking into account the effective, that is, not covered by the sealing tulip, cross section of the container orifice and can be defined by an appropriate choice of the effective bellow diameter. By changing the pre-tensioning and / or filling pressure, the component of the compression force that results from that pressure can also be defined and / or regulated and adapted to the treated container, in particular, also its strength.
    [0006] In a preferred embodiment of the invention, it opens in the annular gap that forms between the bellows and the sealing tulip and that section of the filling element compartment that is delimited by these elements, at least one channel that, during a CIP cleaning and / or CIP sterilization the filling system is used to supply or expel, for example, a cleaning liquid and / or sterilization medium into the annular gap or out of said annular gap. The channel opens into this annular gap, preferably at an upper end of the annular gap, and preferably in the region of the bellows junction. At least one channel opens in the annular gap, preferably at an angle and in such a way that the cleaning and / or disinfecting medium allows the channel to flow through the annular gap from top to bottom in a spiral flow, which then because of its high flow speed and spiral stroke it cleans and / or disinfects all the inner faces of the bellows and, in particular, also the surfaces within the folds of the bellows in an ideal way.
    [0007] The inventive filling element is specially designed for pressure filling of cans or similar containers and, especially, for pressurized filling with a high capacity rate as well.
    [0008] For the purpose of the invention, the term "pressure filling" is to be understood generally as a filling method in which the container to be filled is in the sealed position against the filling element and generally before the current filling phase , that is, before the liquid valve is opened, it is pre-tensioned through at least one controlled gas path, configured in the filling element with a pressurized pre-tensioned gas (inert gas or CO2 gas) than the material of filling entering the container during filling increases the displacement as a return gas out of the interior of the container, again through at least one controlled gas path configured in the filling element. This pre-tensioning phase can be preceded by other treatment phases, for example, by evacuation and / or washing the interior of the container with an inert gas such as CO2 etc., here again by means of gas paths configured in the control element. fill.
    [0009] For the purposes of the invention, the expression "container in the sealed position with the filling element" means that the respective container to be filled is with its sealed container mouth pressed against the filling element or against the local sealing tulip.
    [00010] For the purposes of the invention, the expressions "essentially", "in essence" or "about" mean variations of the respective exact value by + / -10%, preferably by + Z-5% and / or variations in the form of insignificant changes to the role.
    [00011] New modalities, advantages and possible applications of the invention arise from the following description of modalities and from the figures. All attributes described and / or represented pictorially, alone or in any desired combination, are fundamentally the object of the invention, regardless of their synopsis in the claims or in a respective retroactive application. The content of the claims is also an integral part of the description.
    [00012] The invention is explained in detail below, using an example of a modality with reference to the figures.
    [00013] Fig. 1 shows in simplified view and partial section, a filling element according to the invention, together with a container that must be filled;
    [00014] Fig. 2 shows in a very simplified schematic view a section through a compartment of the filling element in the region of a channel or a hole to provide or expel a means of cleaning and / or sterilization CIP.
    [00015] Figure 1 shows the filling position of a filling machine for pressure filling of containers 2 in the form of cans with a liquid filling material, for example, with a carbonated filling material, for example, beer or soft drink . Filling position 1 comprises, inter alia, a filling element 3 which, together with a plurality of identical filling elements, is arranged on the periphery of a rotor 4 driven to rotate on a vertical machine axis. Through filling elements 3, a platform 5 is provided on the rotor 4 in which containers 2 that are to be filled are standing on its base.
    [00016] Each filling element 3 comprises a filling element housing 6 in which, among others, a liquid channel 7 is configured for the filling material and which in its upper region, not shown in the figure, is connected with a reservoir provided in the rotor 4 and supplies the filling material for all the filling elements 3 together, which at its lower end form an annular delivery hole 8 for the filling material.
    [00017] A liquid valve 9 is provided in the liquid channel 7 upstream of the delivery port 8 in the direction of the flow of the filling material; said liquid valve 9 consists essentially of a valve body 10 which interacts with a valve seat in the liquid channel 7 and which is configured in the region of a lower end of a gas pipe 11 acting as a follower of the valve meat. With the gas tube 11 which is arranged with its axis on an FA axis of the filling element oriented parallel to the MA axis of the machine and in which a channel 12 is formed which is opened at the bottom of the filling element 3, the body of valve 10 is raised from its closed position, as shown in the figure by a drive device (not shown) to open liquid valve 9 and then it is lowered again to close liquid valve 9.
    [00018] In its lower region, the housing of the filling element 6 forms a housing section in tube 6.1 with reduced diameter. A sealing tulip 13 which is able to move parallel to the filling element FA axis (double arrow A) is provided over this housing section, in which the delivery port 8 and the seat valve for the liquid valve 9 are also provided. The sealing tulip 13 is configured as an annular body 13.1 which surrounds the housing section 6.1 and which is provided in a section of the lower annular body 13.1 at its end with an enlarged outside diameter with an inner ring seal 14 which circumvents in a way the FA axis of the filling element and an outer washer seal 15 that concentric surrounds the ring seal 14 and the FA axis of the filling element.
    [00019] To seal the transition between the sealing tulip 13 or the annular body 13.1 and the filling element compartment 6, a bellows 16 is provided such that it surrounds the housing section 6.1 above the sealing tulip 13 and which is connected by its upper end which is further away from the delivery hole 8 to the filling element compartment 6 and by its lower end which is closer to the delivery hole 8 to the top of the sealing tulip 13 which is opposite the seals 14 and 15. The bellows 16 is made from a suitable elastic and / or flexible material, for example Teflon. As Figure 1 also shows, both the sealing tulip 13 and the bellows 16 surround the housing section 6.1 at a distance, thus creating an annular gap 19.
    [00020] In the upper region of the annular gap 19 formed between the bellows 16 and the outer face of the housing section 6.1, a channel 18 is opened, which for example is used during CIP cleaning of the filling machine and its filling elements 3 to feed an annular gap 19 a cleaning liquid or and / or a sterilization medium flowing through this annular gap 19 along the entire axial length for cleaning and / or sterilizing the inner faces of the bellows 16 as well. Channel 18 is configured to open to the annular gap 19 obliquely, that is, at an angle of less than 90 ° to a plane E perpendicular to the FA axis of the filling element, such that, as it flows out of channel 18, the CIP cleaning and / or disinfecting medium exhibits a velocity vector in the peripheral direction of the outer face of the housing section 6.1 or on the FA axis of the filling element and as a result, the velocity vector flows through the annular gap 19 from top to bottom in the form of a spiral. Considering that an adequate high flow rate of CIP cleaning and / or the disinfection medium and the spiraling flow path, this completely and optimally cleans and disinfects all interior faces, including those of the bellows 16. Channel 18, for example , can also be used to wash and / or pre-tension a container that is already present in the sealed position and in the filling position.
    [00021] The adjacent housing section 6.1, through step 6.2, is a housing section 6.3 that has an outside diameter larger than that of the housing section 6.1. To attach the upper end of the bellows 16 which is further away from the delivery hole 8, the bellows 16 is manufactured for this purpose, for example, in a single piece, incorporating an annular bellows section 16.1. The bellows section 16.1 is accommodated in an annular recess 20 configured in step 6.2 and surrounding the FA axis of the filling element, where it is fixed by means of a lock, by a locking ring 21 surrounding the FA axis of the filling element. At the lower end, the bellows 16 which is integrally manufactured with an annular bellows section 16.2, which extends into the annular body 13.1, is closer to the delivery hole 8, where it is properly connected in a recess on the inner face from the annular body 13.1 to the last, for example by gluing, fixing, locking, vulcanization, threading etc., such that the inner face of the bellows section 16.2 is aligned or essentially aligned with the contiguous inner face of the annular body 13.1.
    [00022] In order to fill the respective container 2, which is organized with its container orifice below the filling element 3, the sealing tulip 13 is first lowered on the FA axis of the filling element towards the container 2, to that the ring seal 14 is sealed against the edge of the container or edge of the hole 2.1 that surrounds the hole of the container.
    [00023] As a result, the respective container 2 is now centered and in a sealed position in the respective filling element 3. The controlled descent of the sealing tulip 13 is carried out, for example, in a meat-controlled manner by a meat follower 17.
    [00024] The washer seal also provided 15 is used, in the case of CIP cleaning, for example, to seal a wash cover that is necessary for this purpose.
    [00025] Before the current filling, the respective container 2 which is in the sealed position in the filling element 3 is pre-tensioned, through the gas channel 12, for example, with a pressurized inert gas, for example, pressurized with CO2 gas . After pre-tensioning, the current filling phase is initiated by opening the liquid valve 9, with the inert gas that is displaced by the filling material out of the container 2 being expelled through the gas channel 12.
    [00026] Pre-tensioning and / or filling pressure acting on the inner annular surfaces of the sealing tulip 13 and bellows 16 produces a compressive force for the sealing tulip 13 which can also act cumulatively with a compressive force exercised by the meat follower 17 and with which the sealing tulip 13 or its ring seal 14 is pressed against the edge of the hole 2.1. The compression force with which the sealing tulip 13 or its ring seal 14 are against the edge of the orifice 2.1 can therefore be defined by pre-tensioning and / or the filling pressure.
    [00027] The effective bellow diameter 16 which is relevant to the compressive force resulting from pre-tensioning and / or filling pressure is dependent on the small internal bellow diameter di and the largest external bellow diameter on, and corresponds to to the root of (di2 + da2) / 2).
    [00028] The previously usual guidance for the sealing tulip 13 in the housing section 6.1, with a sliding seal and the resulting disadvantages, are avoided by the configuration of the filling element 3 with the bellows 16.
    [00029] With an existing filling machine that is already designed for using conventional filling elements, and particularly when filling elements 3 are to be used instead of conventional filling elements, it is convenient to define the effective bellow diameter 16 by an appropriate choice of the diameter di and that of the inner and outer bellows, respectively, in such a way that this effective diameter coincides with the sliding diameter of the sliding seal of the conventional filling elements.
    [00030] The invention has been described hereinbefore by reference to a modality. Numerous variations, as well as numerous modifications, are possible without starting from the inventive concept underlying the invention. List of reference numbers 1 Filling position 2 Container or can 2.1 Edge of the hole 3 Filling element 4 Rotor 5 Platform 6 Filling element compartment 6.1 Housing section 6.2 Step 6.3 Housing section 7 Liquid channel 8 Delivery hole 9 Liquid valve 10 Valve body 11 Gas tube 12 Gas channel 13 Sealing tulip 13.1 Sealing tulip section 13.1 Annular body 13.1.1 Annular body section 14 Ring seal 15 Washer seal 16 Bellows 17 Meat follower 18 Channel 19 Annular opening 20 Recess in step 6.1 21 Fixing or locking ring A Sealing tulip access 13 FA Axis of the MA filling element Machine axis
    权利要求:
    Claims (5)
    [0001]
    1. Filling element of a filling system or filling machine for filling cans or similar containers (2) with a liquid filling content, comprising a filling element housing (6) that has at least one dispensing opening (8) in a housing portion (6.1) to distribute the contents in a controlled manner into the respective container (2), comprising a sealing tulip (13), which can be moved in relation to the housing portion (6.1) , on an axis (FA) of filling element in relation to the housing portion (6.1) between an elevated position and a lowered position in order to seal against an edge of the opening (2.1) of the container (2), as well as means for seal the transition between the sealing tulip (13) and the filling element housing (6), wherein the sealing means are formed of a folding bellows element (16) that surrounds the filling element axis (FA) , what is it is firmly connected at one end to the filling element housing (6) and firmly at the other end to the sealing tulip (13), such that the sealing tulip (13) and the folding bellows element (16) surround the housing portion (6.1) on its outer surface, or casing surface, forming an annular gap (19) between the outer face of the housing portion surface (6.1) and an inner surface of the sealing tulip (13), as well as the folding bellows (16), such that at least one channel (18) opens in the annular gap (19) at one end of the annular gap (19) away from the sealing tulip (13), characterized by the fact that the channel (18) is provided so that, during a CIP cleaning process, it conducts a cleaning liquid and / or a sterilization medium through it to the annular gap (19), in which the channel (18) is configured in such a way way that opens in the annular gap (19) obliquely at an angle less than 90 ° in relation to a plane p perpendicular to the axis of the filling machine, such that CIP cleaning and / or sterilization means, when they flow out of the channel (18), exhibit a velocity vector in the circumferential direction of the outer surface of the housing portion (6.1 ) and about the filling element axis (FA) and, incurred by this velocity vector, flow through the annular gap (19) from top to bottom in a helical manner, such that the internal surfaces of the folding bellows element (16) are also cleaned and sterilized.
    [0002]
    2. Filling element, according to claim 1, characterized by the fact that the housing portion (6.1) is configured on its outer surface or casing surface, as circular cylindrical or essentially circular cylindrical.
    [0003]
    3. Filling element according to any one of the preceding claims, characterized by the fact that the first housing portion (6.1), surrounded by the folding bellows element (16) and the sealing tulip (13), is connected by middle of a step (6.2) to an additional housing portion (6.3) of the filling element housing (6) with an enlarged outer cross section, and that the folding bellows element (16) is held at its farthest end the distribution opening (8), in the region of step (6.2) when it is tensioned between a locking or fixing ring (20) and the filling element housing (6).
    [0004]
    Filling element according to any one of the preceding claims, characterized in that the folding bellows element (16) extends at its end close to the dispensing opening (8) with a folding bellows section (16.2) which surrounds the filling element (FA) axis in an annular manner, in an annular body (13.1), which forms the sealing tulip (13) and is firmly connected with the sealing tulip (13) on an internal surface of the annular body (13.1), preferably in a cut opening located in it.
    [0005]
    5. Filling machine to fill cans or similar containers (2) with a liquid content with a filling system with a plurality of filling elements (3), in each case forming a filling position (1) and provided in one element for transporting circulation, for example, on a rotor circulating around a vertical machine axis (MA), characterized by the fact that the filling elements (3) are configured in accordance with any of the previous claims
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    同族专利:
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    法律状态:
    2018-12-04| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|
    2019-10-15| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|
    2020-07-28| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|
    2020-09-01| B16A| Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 13/07/2013, OBSERVADAS AS CONDICOES LEGAIS. |
    优先权:
    申请号 | 申请日 | 专利标题
    DE102012014957.3|2012-07-30|
    DE102012014957.3A|DE102012014957A1|2012-07-30|2012-07-30|Filling element and filling machine|
    PCT/EP2013/002088|WO2014019642A1|2012-07-30|2013-07-13|Filling element and filling machine|
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