Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
  • B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
  • B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
  • B67C3/02—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus
  • B67C3/22—Details
• • H—ELECTRICITY
  • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • H02K—DYNAMO-ELECTRIC MACHINES
  • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
  • H02K11/30—Structural association with control circuits or drive circuits
  • H02K11/33—Drive circuits, e.g. power electronics
• • H—ELECTRICITY
  • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • H02K—DYNAMO-ELECTRIC MACHINES
  • H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
  • H02K41/02—Linear motors; Sectional motors
• • H—ELECTRICITY
  • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • H02K—DYNAMO-ELECTRIC MACHINES
  • H02K5/00—Casings; Enclosures; Supports
  • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
  • B65G54/00—Non-mechanical conveyors not otherwise provided for
  • B65G54/02—Non-mechanical conveyors not otherwise provided for electrostatic, electric, or magnetic
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
  • B67C—CLEANING, FILLING WITH LIQUIDS OR SEMILIQUIDS, OR EMPTYING, OF BOTTLES, JARS, CANS, CASKS, BARRELS, OR SIMILAR CONTAINERS, NOT OTHERWISE PROVIDED FOR; FUNNELS
  • B67C3/00—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus; Filling casks or barrels with liquids or semiliquids
  • B67C3/02—Bottling liquids or semiliquids; Filling jars or cans with liquids or semiliquids using bottling or like apparatus
  • B67C3/22—Details
  • B67C2003/228—Aseptic features
• • H—ELECTRICITY
  • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • H02K—DYNAMO-ELECTRIC MACHINES
  • H02K5/00—Casings; Enclosures; Supports
  • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
  • H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
• • H—ELECTRICITY
  • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • H02K—DYNAMO-ELECTRIC MACHINES
  • H02K9/00—Arrangements for cooling or ventilating
  • H02K9/08—Arrangements for cooling or ventilating by gaseous cooling medium circulating wholly within the machine casing

Definitions

• Stator module for a linear drive of a container treatment machine
• the present invention relates to a stator module for a linear drive according to claim 1 and to a container treatment machine comprising a corresponding linear drive according to claim 7 and a method for operating a container treatment machine according to claim 10.
• Linear drives and in particular long-stator systems are known from the prior art.
• DE 10 2014 102 630 A1 shows a long-stator system which can be used in connection with the hygienic filling of products and thus also in the beverage-processing industry.
• the actual drive outside a clean room in which the filling takes place whereas the interior of the clean room or insulator can be kept sterile. Since the engine is physically separated from the area where the filling takes place, it does not come into contact with any cleaning media or even the product.
• the drive typically also extends or extends through the fill area.
• Such arrangements entail that at least some components, such as here the engine, can be affected by contamination, which can lead to problems and undesirable downtimes, especially in the beverage processing industry.
• the technical problem to be solved is thus to provide a stator module for a linear drive, in particular a long-stator drive, a container treatment machine, which is better protected against environmental influences and yet can be produced as inexpensively.
• Previous options for the isolation of the components are complicated and expensive. solution
• stator module according to claim 1 and the container treatment machine with a linear drive, comprising such a stator module, according to claim 7 and the method for operating a container treatment machine according to claim 10.
• Advantageous developments of the invention are disclosed in the subclaims.
• the stator module according to the invention for a linear drive of a container treatment machine in the beverage processing industry comprises a housing in which a core and at least one coil are arranged, wherein the stator module comprises a media supply for supplying a gas into the interior of the housing and the media supply is formed, the interior of the housing to apply an overpressure.
• the stator module comprises a media supply for supplying a gas into the interior of the housing and the media supply is formed, the interior of the housing to apply an overpressure.
• control electronics of the stator module is arranged in the housing. Even these sensitive components can be protected from contamination.
• the core is or comprises steel and / or at least two coils are disposed in the housing. Insulation of the core and coils from the outside environment and in particular the wetting with liquids is particularly advantageous in this case, since all materials are electrically conductive, which could otherwise lead to short circuits when introducing liquid.
• the housing comprises a base body of a first material and an enclosure of a second material.
• the main body is here to understand a substantially U-shaped, preferably metallic region in which at least the coil and the core are arranged.
• the main body is preferably surrounded on all sides by the enclosure. This may be in one piece (for example, from a material cast around the main body) or from several miteinan- consist of screwed, glued or otherwise connected parts.
• VA2 stainless steel
• VA2 is particularly suitable as a material.
• This may be metallic or non-metallic materials, in particular plastic, and the materials for the body and the enclosure may also be different from each other. Since the interior is already sufficiently protected from the ingress of liquids by the application of the overpressure, these materials also need not necessarily be rust-resistant, since the ingress of liquids through small openings, which can form during the oxidation of metals over time, by the overpressure is avoided.
• the first material is aluminum or stainless steel and the second material is stainless steel. Since the enclosure comes into contact with liquids, the use of stainless steel may be particularly advantageous here to prevent at least excessive oxidation.
• the use of aluminum allows the reduction of the weight of the body and possibly a more cost-effective production of the stator module.
• stator module is designed for use in a long-stator linear drive.
• the media supply is either designed as a separately routed hose or integrated into a control and power cable, which includes at least one line for the control electronics and at least one further line for the power supply of the coils.
• the first embodiment allows isolation of the media supply from the remaining components or conduits, which improves their accessibility.
• an uncomplicated exchange of all lines can be done by these, as described, are modularly combined.
• the container treatment machine according to the invention for treating containers in the beverage processing industry comprises a linear drive, wherein the linear drive comprises a stator module according to one of the preceding embodiments.
• the container treatment machine is characterized by reduced downtime.
• the linear drive of the container treatment machine comprises at least two stator modules and the media supply of each stator module is connected separately from the other stator modules with a media supply or the media feeds of the stator modules are arranged in series.
• the separate connection of the media supply means each stator module with the media supply that lead out of a possibly provided common storage container for the medium (for example, a high-pressure gas tank) as many lines as stator modules are provided and if possible none of the lines partially coincides with one of the other lines ,
• the switching of the media supply of the stator modules in series means that, for example, a main line is provided which leads to a first stator module and leads out of this stator module another line leading into an adjacent stator module.
• a main line can also pass through all the stator modules and only one branch can be provided in each stator module, through which part of the medium flowing through the main line is conducted into the stator module.
• the container treatment machine is designed as a filler and the housing of the stator module is made of stainless steel. Excessive rusting and thus a structural weakening of the stator module can thus be avoided.
• the method according to the invention for operating a container treatment machine in the beverage processing industry comprising a linear drive with a stator module, wherein the stator module comprises a housing in which a core and at least one coil are arranged, wherein the stator module comprises a media supply, the method comprising introducing a gas with an overpressure into the interior of the housing through the media supply.
• the gas is compressed air or an inert gas, in particular nitrogen.
• an inert gas in particular nitrogen.
• FIG. 1 shows a stator module according to the invention in relation to a linear drive of a container treatment machine.
• FIGS. 2a and b show a stator module according to an embodiment in front view
• Rear View. 3 shows a schematic representation of the interior of a stator module according to an embodiment.
• Fig. 4a and b show two embodiments of a juxtaposition of stator modules.
• FIG. 1 shows a stator module 100 according to an embodiment.
• the stator module as shown here, between two guides 101 and 102 may be arranged for a mover not shown here in a container treatment machine.
• the guides may be formed, for example, as a circle, but also linear and the stator module 100 may be arranged between the guides or with a slight offset thereto.
• the guides may, in particular, be two opposing rails 101 and 102, which are arranged with respective fasteners 110 and 111 or 120 and 121 on, for example, the container treatment machine (not shown here).
• the container treatment machine can be any container treatment machine commonly used in the beverage processing industry, in particular fillers, blow molding machines, cleaning devices, labeling machines, printing machines, mold filling machines or the like.
• the mover can be connected via rollers with the guides and be movable along the guides.
• the movers are provided with a magnetic component, so that by providing one or more stator modules along the elements 101 and 102, the movers can be moved by the attractive forces generated during operation.
• the stator module 100 comprises a media feed 130, by means of which a gas can be introduced into the interior of the stator module in order to generate an overpressure with respect to the environment in the latter.
• This overpressure may be relatively low, for example 1/100 bar, preferably 0.05 bar, particularly preferably 0.1 bar or more. This overpressure can prevent the penetration of liquids or gases, but also of microorganisms into the interior of the stator module.
• FIGS. 2 a and 2 b show a front view (FIG. 2 a) and a rear view (FIG. 2 b) of the stator module 100 from FIG. 1.
• the stator module is ultimately made of a housing, formed by a base body, not shown here, which may be formed for example U-shaped and in which the coil and the core of the stator module are arranged, as well as a housing formed, wherein the enclosure may for example comprise a plurality of parts 210 and 220, which form a substantially closed body.
• the housing is formed from a cast material which substantially completely encloses the main body.
• a cast material which substantially completely encloses the main body.
• one or more openings in particular bores 221, can be provided, with which the stator module can be fastened, for example, to a holder or connected to other components.
• Such openings 221 may also be provided on the base body.
• the main body and the housing can also be sealed by other seals to the outside.
• the basic body can be a basic body made of a metal, in particular of stainless steel or aluminum. However, plastics can also be used.
• the enclosure may consist of the same material as the main body, ie in particular made of stainless steel. Since the enclosure comes into contact with liquids (cleaning media, product, adhesives, etc.), it is preferred if it is made of stainless steel to prevent excessive rusting.
• the main body may also consist of lighter metals or semimetals, such as aluminum, for example, since it is virtually completely protected from contact with possibly oxidizing liquids by the enclosure and the applied overpressure.
• the stator module comprises the media supply 130, through which a gas can be introduced, for example, from a compressed air tank into the interior of the stator module.
• the gas may in particular be compressed air, since this is available at low cost and does not have to be kept in special containers.
• the interior is subjected to an excess pressure of nitrogen, CO2 or other sterilizing gases in order to prevent the colonization of microorganisms as much as possible.
• lines 231 and 232 can lead into the stator module.
• it may be, for example, a line for the control electronics of the stator module in the line 231 and the line 232 to a power supply for arranged within the stator module coils.
• the media supply not as shown here, is performed separately from these lines, but is integrated with these in a trunk group.
• This can then preferably be connected via a plug-in connection which is as simple as possible to the stator module and the other components (medium supply, central control unit and the like), so that an exchange is easy, for example in the event of a defective line.
• Particularly preferred connectors are used, which are insensitive to environmental influences such as liquids or dirt. Plug-in connections comprising durable plastics come into consideration here.
• Fig. 3 shows schematically an interior view of the stator module 100, the housing is shown only by dashed lines.
• the stator module comprises a core 341, which consists in particular of iron or another material with the highest possible magnetic permeability ⁇ ⁇ , so that by applying a current to the core 341 enclosing coil 342 as strong a magnetic field and thus high kinetic energy are generated in the movers can. It is understood that in each stator module and a plurality of coils and possibly cores can be arranged.
• the control electronics 340 of the stator module can be arranged in the stator module. These include, for example, circuits that can regulate the power supply to the coil 342.
• the corresponding components of the stator module are arranged in the main body 370. This is designed here as a U-shaped, but may also have a different shape, in particular angular shape.
• the media supply 130 leads into the interior of the stator module, in which then the gas is introduced with an overpressure.
• This gas exits through small, usually unintentional openings in the enclosure (gaps, holes or fine cracks), as exemplified at locations 361, 362 and 363.
• FIGs 4a and 4b show possible implementations of the connections of several stator modules with a media supply.
• the stator modules 410, 420 and 430 are connected "in series" with a media supply.
• a central media supply 401 passes through the modules via the individual stator modules and intervening lines 412, 423, and 440, and sequentially supplies each of the modules with the appropriate gas under a certain overpressure.
• the line 401 to 440 may be completely continuous, so that it also extends from one side of the stator module to the other side through the stator module and in the stator module only one or more small outlet openings through which the gas escape into the respective stator module can.
• the line 401 to 440 is interrupted by the respective stator modules and only the compressed air within the stator module from the entry point, for example in the line 401, in the stator module to the exit point for the line 412 through the entire housing flows through the stator module and is only re-introduced into the line 412 at the end.
• material can be saved and a complete flow through the stator modules can be ensured with the gas under pressure.
• a central media supply 470 for example a gas tank
• a central media supply 470 for example a gas tank
• the gas can then be distributed in a targeted manner to the stator modules and it is also possible, for example by attaching controllable valves, to regulate and even adjust the media supply to the individual stator modules, while the media supply is continued independently of the other stator modules ,
• sensors are provided in the stator modules which measure the pressure within the stator module and control the supply of the medium in such a way that a desired desired value with respect to the pressure is achieved at any time.
• an excessively large leakage of a stator module can be detected via sensors that can be arranged in or on the supply lines.

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• Engineering & Computer Science (AREA)
• Power Engineering (AREA)
• Physics & Mathematics (AREA)
• Chemical & Material Sciences (AREA)
• Combustion & Propulsion (AREA)
• Electromagnetism (AREA)
• Microelectronics & Electronic Packaging (AREA)
• Linear Motors (AREA)
• Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
• Motor Or Generator Frames (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=62143158

Family Applications (1)

Country Status (5)

Family Cites Families (12)

• 2017
  • 2017-05-29 DE DE102017208948.2A patent/DE102017208948A1/de active Pending
• 2018
  • 2018-05-08 EP EP18723479.4A patent/EP3630672A1/de active Pending
  • 2018-05-08 WO PCT/EP2018/061823 patent/WO2018219598A1/de active Application Filing
  • 2018-05-08 US US16/615,779 patent/US11545884B2/en active Active
  • 2018-05-08 CN CN201880035064.1A patent/CN110691753B/zh active Active

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