EP4322751A1 - Fördervorrichtung - Google Patents
FördervorrichtungInfo
- Publication number
- EP4322751A1 EP4322751A1 EP22722159.5A EP22722159A EP4322751A1 EP 4322751 A1 EP4322751 A1 EP 4322751A1 EP 22722159 A EP22722159 A EP 22722159A EP 4322751 A1 EP4322751 A1 EP 4322751A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- spray
- transport
- transport units
- liquid
- conveyed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- B65G45/00—Lubricating, cleaning, or clearing devices
- B65G45/10—Cleaning devices
- B65G45/22—Cleaning devices comprising fluid applying means
-
- 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
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/52—Devices for transferring articles or materials between conveyors i.e. discharging or feeding devices
- B65G47/56—Devices for transferring articles or materials between conveyors i.e. discharging or feeding devices to or from inclined or vertical conveyor sections
- B65G47/57—Devices for transferring articles or materials between conveyors i.e. discharging or feeding devices to or from inclined or vertical conveyor sections for articles
-
- 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
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/84—Star-shaped wheels or devices having endless travelling belts or chains, the wheels or devices being equipped with article-engaging elements
- B65G47/841—Devices having endless travelling belts or chains equipped with article-engaging elements
Definitions
- the invention relates to a conveyor device.
- meat is often cut in order to separate individual pieces of meat from a carcass.
- meat is expressly understood to also include fish meat and poultry meat.
- WO 2017/201 303 A1 discloses a device for vacuum freezing poultry.
- the poultry parts are conveyed several times in common water baths in order to dissipate heat from the poultry. In order to keep the poultry parts moist, they are sprayed with water from such a water bath. Germs from one part of the poultry can easily migrate to another part of the poultry and thus promote cross-contamination.
- AU 2012201887 B1 discloses a device for collecting and transporting away internals in transport trays. After transport, the transport trays are cleaned.
- WO 2020/108831 A1 discloses a device for turning over conveyed food. To improve the detachment of the food from a conveying surface during this transfer process, the conveying surface is sprayed with liquid.
- WO 2016/087866 A1 discloses a method for reducing germs on a poultry body.
- US 2010/0221991 A1 discloses a device for skinning poultry parts. Here individual poultry parts are received in separate transport units and conveyed over a skinning device.
- US 4,616,381 A discloses a method for removing and transporting eggs in a cup. After transportation, the cup is subjected to cleaning with hot water.
- the device is characterized by a spray arrangement, which increases the hygiene of the device.
- the spray arrangement can be used in particular for cleaning and/or for supplying a disinfecting liquid.
- a first spray functionality is provided.
- the first spray functionality can be used to specifically wet the transport units.
- the wetting serves less for mechanical removal than for preventing germs from adhering to the transport unit.
- the extent of cross-contamination can already be reduced by reducing the adhesion of germs on the transport units.
- a reduction in germs can generally increase the shelf life of food parts.
- the first spray functionality is used during a transport operating state in which the conveyor device is used to convey goods to be conveyed.
- the amount of liquid used is optimized. In this way, individual spray jets are set in such a timely manner, in particular using a first spray nozzle, that the transport units are hit exactly.
- the first spray liquid primarily serves to wet the transport units. The result of this is that there is less adhesion of pieces of meat to the transport unit. This in turn means that less contamination settles on the transport unit.
- the transport units are not sprayed in each cycle in order to keep liquid consumption low or to manage without waste water collection and/or waste water disposal.
- a second spray functionality is provided.
- the second spray functionality can be used to specifically remove contamination from the transport units, in particular by mechanical removal and/or by dissolving using chemical cleaning agents.
- Raw meat in particular tends to stick to surfaces, which can be significantly reduced by wetting with liquid. With the reduced adhesion of the meat as a whole, the adhesion of germs is also reduced.
- the second spray functionality is used during a cleaning operating state in which the conveying device is not conveying any material to be conveyed.
- a second spray output of the second spray functionality is in particular greater than a first spray output of the first spray functionality.
- the spray output can be measured using the kinetic energy of the spray liquid sprayed out per unit of time sprayed or using the output of corresponding liquid pumps that pressurize the respective spray liquid.
- the circulation time is in particular the period of time that a transport unit needs to get from the transfer area to the transfer area again and again to the transfer area.
- the total spraying interval refers in particular to the time between two sprays on the same transport unit.
- the single spray interval describes the time between two sprays (on any transport unit).
- the conveying device is characterized in particular by a large number of discrete transport units which can accommodate the parts of the goods for conveyance.
- the transport units per se can be comparatively small and therefore only represent a small catchment area for contaminating, unwanted cutting by-products. Unwanted sliding along surfaces is prevented.
- the use of walls with recesses reduces the contact surfaces.
- the transport units are in particular separate transport baskets.
- the transport units are designed in particular to transport parts of goods with a mass of at least 100 g, 200 g, 300 g, 400 g, 500 g, 600 g, 700 g, 800 g, 900 g or 1000 g and a maximum of 200 g, 300 g, 400 g g, 500 g, 600 g, 700 g, 800 g, 900 g, 1000 g, 1200 g, 1400 g or 1600 g of food.
- the transport units define a transport space that is suitable for disassembled food with a volume of at least 1000 cm 3
- the transport units have a width and/or length and/or height of at least 5 cm, 10 cm, 15 cm, 20 cm, 25 cm,
- the conveyor device according to the invention is set up in particular for catching pieces of meat that are discharged from a cutting device, in particular a meat cutting machine.
- the transport units can in particular be transferred, in particular pivoted, between a pick-up position and the transfer position.
- a conveyed item In the pick-up position, a conveyed item is held securely in the transport unit.
- In the transfer position a conveyed item can get out of the transport unit independently and due to gravity, in particular it can slide or fall.
- the conveying device has in particular a control arrangement which is set up to transfer the transport unit, in particular depending on its position, between a receiving position and the transfer position.
- the transport unit can be transferred to the transfer position when the transport unit reaches the transfer area, and/or the transport unit can be transferred to the pick-up position at the latest before the transfer area is reached.
- the conveyor device includes a support rail that is set up to carry the transport unit between the takeover area and the transfer area.
- the support rail can have a three-dimensionally curved course and/or the support rail can have at least one ascending section and one descending section.
- the spray arrangement is set up in such a way that the transport units perform both a lateral movement and a twisting movement, while the transport units are sprayed with liquid as part of the first and/or second spray functionality.
- the spray assembly includes
- a collecting device set up for collecting returning spray liquid, and/or
- the spray arrangement is set up in such a way that the transport units are sprayed in a return area, in particular for carrying out the first spray functionality, with the return area being arranged behind the transfer area and in front of the takeover area, viewed in the conveying direction.
- the spraying of the transport units therefore takes place in particular when the transport units are in an empty state.
- the conveying device is in particular a food conveying device, in particular a meat conveying device.
- the conveyed item is a food item, in particular a meat item, in particular a poultry item.
- the transport unit can be attached to a transport carriage that can be moved along a support rail.
- the support rail, the base support, the rail holder and/or the transport units and possibly other components of the device have a stainless steel surface in particular.
- Figure 1 shows schematically the structure of a conveyor arrangement with a conveyor device according to the invention
- FIG. 2 transport units of the conveyor device according to FIG. 1 in several representations
- Figure 3 different spray plans in tabular form.
- FIG. 1 shows a conveyor arrangement 100.
- the conveyor arrangement 100 comprises a feed device 110, by means of which goods parts F2 are made available. These parts of goods F2 are in particular parts of poultry meat, such as chicken wings, chicken breast or chicken thighs.
- the feed device 110 includes a feed conveyor 111, which can be designed as an overhead belt conveyor. At this feed promotion larger units of goods F1. promoted. These units of goods F1 are, in particular, a poultry carcass.
- the feeding device 110 comprises a delivery unit 112 which provides parts F2 of the goods unit F1.
- the delivery unit comprises a separating device which separates the parts of goods F2 from the unit of goods F1.
- the parts of the goods are finally transported away by a removal device 120 .
- the removal device 120 can have a removal conveyor 121, in particular a conveyor belt.
- a conveyor device 1 for transferring the goods parts F2 from the feed device 110 to the removal device.
- the conveyor device 1 is set up to take over the goods parts F2 from the infeed conveyor 111 at a transfer area A1 and to transfer them to the removal device at a transfer area A3.
- FIG. 1 shows a function of the conveyor device 1 within the conveyor arrangement 100 in a reduced representation.
- the provision of the goods parts F2 at the transfer area A1 and the delivery of the goods parts F2 at the transfer area A3 is shown schematically.
- the conveyor device 1 consequently fulfills a spatially funneling function in order to position the goods parts F2, which arrive at the transfer area A1 in a spatially widely scattered manner, in a defined manner in a comparatively small transfer area to A3.
- this funneling function is fulfilled by a suitably shaped stainless steel sheet between the transfer area A1 and the transfer area A3.
- the goods parts F2 slide along the stainless steel sheet.
- Each part of the goods leaves behind individual contamination.
- individual contaminations for example from several thousand product units F1 are found on the stainless steel sheet.
- Other parts of the goods sliding along now come into contact with this contamination.
- the present invention now provides a possibility that the individual parts of the goods are significantly less contaminated with germs from other parts of the goods.
- a conveyor device according to the invention is used instead of the stainless steel sheet, which is explained in more detail below.
- the conveyor device 1 comprises a multiplicity of transport units 21.
- a transport unit 21 can be designed, for example, as a transport basket. Other forms are also possible, it being necessary to ensure that the transport unit 21 can safely pick up the goods items F2 and selectively deliver them again.
- the transport units 21 are arranged such that they can be transferred along a conveying direction R between the receiving area A1 and the transfer area A3.
- a transport unit 21 takes over one or more parts F2 and transports them to the transfer area A3, where the transported parts F2 are transferred to the removal device 120.
- the conveying direction R is circulating, so that the transport units return to a starting position after one circulation.
- the transport unit ( Figure 2) includes side walls 21s and a bottom 21b.
- the side walls 21s and the base 21b form an accommodation space for accommodating the goods items.
- the parts of the goods can enter or leave the receiving space through a receiving opening 21o.
- the walls have a large number of recesses 21a.
- the recesses 21a are arranged on the bottom 21b and the side walls 21s in such a way that the goods are held reliably in the receiving space; on the other hand, the contact surface between the parts of the goods and the transport unit is as small as possible. the Transmission paths of contamination are thus reduced to a low level.
- the walls (bottom and side walls) form a pronounced downward taper 21j. This reduces the outer circumference of the transport unit downwards.
- the side wall 21s has a collar 21k, which covers the first fastening section 21f when viewed from above.
- the collar 21k slopes downward toward the accommodating space. Falling goods parts F2 are thus kept away from the first fastening section 21f and are guided into the receiving space as conveyed goods F2.
- the conveyor device 1 comprises a base support 11.
- a support rail 12 is fastened to the base support 11.
- the support rail 12 defines the conveying direction R.
- the transport units 21 are movably arranged on the support rail 12 .
- the support rail 12 can be assembled in several parts from individual support rail segments.
- the conveying device comprises a spray arrangement 40.
- the spray arrangement 40 comprises two spray nozzles 41, 42.
- a first spray nozzle 41 is set up to generate a first spray jet 43 .
- the first spray jet is in particular a spray mist 43.
- the first spray jet 43 serves to wet the conveyor units with a first liquid. The wetting of the transport units causes fewer germs to adhere to the transport unit. This means that less contamination remains on the transport unit, which is a building block for improving hygiene.
- the first liquid of the first spray jet 43 comprises in particular water, in particular to an extent of at least 80% by volume.
- a thin film of water on the surface can prevent the above-mentioned effect of reduced adhesion of germs.
- the first liquid of the first spray jet 43 comprises a further component, in particular in addition to water.
- the additional component has in particular a disinfecting effect.
- the additional ingredient may include an alcohol.
- the proportion of the further component in the first liquid is in particular a maximum of 20% by volume.
- the alcohol content of the first liquid comprises a maximum of 20% by volume.
- the wetting using the first spray jet 43 takes place during a transport operating state.
- the conveyed goods F2 are transported.
- the transport unit is sprayed in a defined manner with the first spray jet 43, so that the surface is at least partially wetted with liquid.
- the spraying takes place when there is no material to be conveyed F2 on the transport unit.
- the first spray nozzle 41 is arranged on a return area A4 of the conveying device, ie in the conveying direction R between the transfer area A3 and the takeover area A1.
- the transport units perform a lateral movement as well as a pivoting movement and thus a rotary movement.
- the relative orientation is changed not only in one dimension but also in a second dimension, which is conducive to complete wetting of the transport unit. The probability of complete wetting can thus be increased when using as little liquid as possible.
- the first spray jet 43 can be made so short and precise that no significant amounts of liquid drip down.
- the liquid dispensed with a spray jet will be completely deposited on the transport unit.
- any liquid that remains free is absorbed by the ambient air, in particular as water vapor, so that no precipitation forms, which creates puddles on the ground.
- the transport units are sprayed with the first spray jet using a predefined spray plan 41 P, which is shown as an example in a table in FIG.
- the conveyor device 1 comprises five transport units 14, which are each numbered consecutively with #1, #2, . . . #5.
- the transport units are arranged circumferentially on the conveyor. Each transport unit is back at its starting position after one cycle U 1 , U2 . . . U6.
- the first transport unit #! sprayed.
- the second transport unit #2 is sprayed, and so on.
- a run U6 takes place without spraying.
- the individual spray interval dt between two spray bursts is, for example, 1.2 times the cycle time tu.
- a total spray interval dT is six times the cycle time tu.
- the total spray interval dT describes the duration between two sprays on an individual transport unit.
- the individual spraying interval is increased in comparison to the example according to FIG. 3a.
- a total spray interval dT is 11 times the cycle time tu.
- a single spray interval dt is 2.2 times the cycle time tu.
- the individual spray interval is reduced in comparison to the example shown in FIG. 3a (FIG. 3c).
- a total spray interval dT is four times the cycle time tU.
- a single spray interval dt is 0.8 times the cycle time tu.
- the individual spray intervals can vary within an overall spray interval, it being preferred that the individual spray intervals are distributed as evenly as possible and are therefore as long as possible.
- the longest possible individual spray intervals dt promote complete absorption of the moisture in the form of water vapor by the ambient air.
- the spray blasts are also to be set so precisely in terms of time that the transport unit 21 to be sprayed is in a defined alignment with the first spray nozzle 41 at the time of the spray blast.
- Position information PI is required for this.
- a presence sensor 412 is provided, which is set up to detect the presence of a transport unit 21 at a specific point in time.
- the position of the transport unit 21 relative to the first spray nozzle 41 can be inferred.
- the spray can be initiated using a control command C.
- a control unit 410 is provided for triggering the spray burst at the exact time.
- Position information PI which originates from presence sensor 412, for example, serves as input values.
- the transport speed v is an input variable that can be used to determine the circulation time tU.
- the transport speed v can be provided electronically by a drive controller of the conveyor device.
- the presence sensor can be positioned in such a way that the spray is triggered immediately upon detection of the presence of a transport unit 21; in this case knowledge of the velocity v is not necessary.
- An input unit 411 shown here by way of example as a potentiometer, is used to record a user specification Ul.
- the user specification Ul can be, for example, the maximum value of a permissible total spraying interval dT.
- the total spraying interval dT is the specification at which interval at the latest an individual transport unit is to be sprayed.
- the control unit can generate a spray plan 41 P as shown above based on the user specification Ul and the conveying speed v as well as the number of transport units. Based on the generated spray plan 41 P and the position information PI, individual spray bursts are then initiated in a targeted manner by means of a control command.
- the spraying intervals can be adjusted specifically to the respective application.
- a second spray nozzle 42 is set up to generate a second spray jet 44 .
- the second spray jet is used to clean the transport units from dirt.
- the cleaning can be done mechanically and/or chemically.
- mechanical cleaning the mass and flow energy of the liquid is used to remove contamination from the transport unit.
- chemical cleaning the material properties of the liquid are used to loosen dirt from adhering to it.
- the second liquid can also contain cleaning substances that are undesirable when wetting by the first spray device.
- the cleaning using the second spray jet is carried out in a cleaning operating state.
- the cleaning mode no conveyed goods are transported.
- the cleaning mode is initiated at regular intervals, for example after 8 hours.
- the feed device 110 and the discharge device 120 are also at rest in the cleaning operating state.
- the spray arrangement 40 comprises a splash guard arrangement 45.
- the splash guard arrangement comprises splash guard walls and is intended to prevent the uncontrolled distribution of liquid in the conveyor device and the environment, in particular during the cleaning operating state.
- liquid can flow off into a collection device 46 at an underlying outflow area 45A of the spray protection arrangement and then be cleaned using a treatment device 47.
- the treated liquid can then be made available again to the respective spray nozzle using a return line 48.
- a separate treatment for each of the two spray nozzles 41, 42 can be provided.
- a plurality of first spray nozzles can be provided, which are each operated synchronously or with one another, for example.
- a plurality of second spray nozzles can be provided, which are each operated synchronously or asynchronously with one another. Not shown but possible is the supply of fresh water to the spray nozzles 41, 42 without treatment. Any waste water can be fed into the waste water disposal system.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing Of Meat And Fish (AREA)
- Control Of Conveyors (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102021109698 | 2021-04-16 | ||
| PCT/EP2022/059446 WO2022218859A1 (de) | 2021-04-16 | 2022-04-08 | Fördervorrichtung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4322751A1 true EP4322751A1 (de) | 2024-02-21 |
Family
ID=81595585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP22722159.5A Pending EP4322751A1 (de) | 2021-04-16 | 2022-04-08 | Fördervorrichtung |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US12319514B2 (de) |
| EP (1) | EP4322751A1 (de) |
| WO (1) | WO2022218859A1 (de) |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1307031A (en) | 1971-04-08 | 1973-02-14 | Mitsubushi Chemical Ind Ltd | Apparatus for charging sample |
| US4616381A (en) | 1983-05-20 | 1986-10-14 | The United States Of America As Represented By The Secretary Of Agriculture | Ova harvesting system |
| NL8801969A (nl) * | 1988-08-08 | 1990-03-01 | Meyn Maschf | Werkwijze voor het doen opstaan van gevogelte alsmede inrichting voor het uitvoeren van deze werkwijze. |
| US7794311B2 (en) | 2008-03-20 | 2010-09-14 | Diversey, Inc. | Method and apparatus for cleaning carcasses |
| NL2002580C2 (en) | 2009-02-27 | 2010-08-30 | Meijn Food Proc Technology B V | Deskinner for poultry parts. |
| NZ592044A (en) | 2011-04-01 | 2013-07-26 | Milmeq Ltd | Evisceration conveyor with two horizontal conveyors between two locations where the receivers transfer from one conveyor to the other at each location |
| GB201421501D0 (en) | 2014-12-03 | 2015-01-14 | Moy Park Ltd | Apparatus and method for improving the hygiene of poultry processing |
| EP3439481B1 (de) | 2016-05-18 | 2024-09-11 | Morris & Associates, Inc. | Systeme und verfahren zur vakuumkühlung von geflügelprodukten |
| US10703588B1 (en) * | 2017-04-25 | 2020-07-07 | Sioux Steel Company | Bin sweep system with particle agglomeration breakup capability |
| JP2019042694A (ja) * | 2017-09-05 | 2019-03-22 | シャープ株式会社 | 基板処理装置 |
| CA3121092A1 (en) | 2018-11-27 | 2020-06-04 | Marel Iceland Ehf. | Turning apparatus and method for transporting food items |
| US11178854B2 (en) * | 2019-01-10 | 2021-11-23 | Moba Group B.V. | Vertical egg washer and dryer such as integrated into an egg processing line |
| CN110731366A (zh) | 2019-11-29 | 2020-01-31 | 利辛县凯利达肉类加工有限公司 | 一种连续式肉类清洗装置 |
| DE102020134233A1 (de) | 2020-12-18 | 2022-06-23 | Interroll Holding Ag | Fördervorrichtung |
| AU2023422141A1 (en) * | 2023-01-03 | 2025-07-17 | Smartwash Solutions, Llc | Process control of silver-ion-based food wash processes |
-
2022
- 2022-04-08 EP EP22722159.5A patent/EP4322751A1/de active Pending
- 2022-04-08 WO PCT/EP2022/059446 patent/WO2022218859A1/de not_active Ceased
- 2022-04-08 US US18/286,765 patent/US12319514B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| US20240182251A1 (en) | 2024-06-06 |
| WO2022218859A1 (de) | 2022-10-20 |
| US12319514B2 (en) | 2025-06-03 |
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