• 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:
    Apparatus for slitting a wide food band (4) of a viscous food mass, in particular a cheese mass, moving on a conveyor (3) in the conveying direction (F) into a number of narrow strips, wherein a knife roller rotating in the conveying direction about a rotation axis (A) is provided , which for longitudinal cutting bears a number of cutting disks (2) corresponding to the number of strips to be produced, wherein the cutting disks (2) are arranged coaxially to the axis of rotation (A) and cut into the food band (4) with their outer edge, a comb ( 5) is provided with a plurality of comb teeth (6) which engage in an operating position during the longitudinal cutting in the spaces between the cutting discs (2) to hold down the cut strips on the conveyor belt, wherein the comb (5) on a Comb holder (8) is held, which is pivotable about the axis of rotation (A), wherein the comb holder (8) by verse pivoting about the axis of rotation (A) from the operating position into a maintenance position can be transferred.
    公开号:CH711845B1
    申请号:CH00445/17
    申请日:2015-12-03
    公开日:2018-01-31
    发明作者:ERD Andreas；Biggel Andreas；Stadelmann Franz
    申请人:Hochland Se；
    IPC主号:
    专利说明:

    Description: [0001] The invention relates to a device for longitudinal cutting of a food belt moving in a conveying direction on a conveyor according to claim 1.
    Since the strips of the cut strip of a soft food mass (also called "food band") clamp after slitting between the cutting discs, they tend to follow the rotational movement of the cutting discs and lift accordingly from the conveyor belt. This can rip the strips and block the device. This lifting is prevented by the tines, which hold the food belt down on the conveyor and thereby release from the spaces out.
    Such a device is known for example from US 5 601 855, in which a food band is made of processed cheese via a conveyor belt to a cutting device. Two opposing cutting rollers initially cut the food band into longitudinal strips before the strips thus cut reach a cross-cutting device which cuts the cut strips transversely to the conveying direction. The cutting rollers comprise a plurality of parallel to each other and parallel to the conveying direction aligned cutting blades in the form of circular cutting discs. In spaces between two cutting discs tines are provided as hold-down, which prevent the cut strips after cutting the cutting blades follow in the circumferential direction, but rather be transported further in the conveying direction. In this case, the greater the risk of sticking between the cutting blades, the greater the amount of the displaced food product, and thus the narrower the longitudinal strips in relation to the thickness of the cutting blades and their number.
    When processing viscous food masses, especially in the processing of industrially produced cheese, both the cutting discs and the low-holding tines must be regularly cleaned of product residues. When reinserting the tines in the spaces between the cutting discs is of course to make sure that in each space exactly one tine is used. In particular, in such devices that cut quite thin strips of a few millimeters strip width, the tines filigree structures, mostly made of plastic, which are easily damaged.
    In addition, the gap area between the cutting discs from the outside is difficult to access, so that it is difficult to position the prongs exactly within the interstices, without causing damage during positioning. When such a known comb holder is moved out of the spaces for disassembly, each individual prong must again meet exactly in the respective gap in the subsequent assembly. Since the tines are flexible due to the material and due to manufacturing tolerances can not be accurately positioned, they must be partially individually aligned manually in the spaces, which takes a corresponding time to complete. Failure to ignore deviation and sweeping entry movement can easily lead to the breaking of individual tines.
    It is therefore an object of the present invention to improve a device for cutting a food band of a viscous foodstuff of the type mentioned in a simple structure to the effect that the comb teeth can be easily inserted into the interstices and the device meets the highest standards of hygiene.
    The object underlying the invention is achieved by a device according to claim 1 and a method according to claim 11; preferred embodiments will be apparent from the respective dependent claims.
    According to the invention, the comb is held on a comb holder, which is mounted pivotably about the axis of rotation (A) of the knife roller. This comb holder can be transferred by simple pivoting about the axis of rotation of the operating position in a maintenance position. Thus, in the service position, the comb teeth advantageously remain in the spaces and are only pivoted to a position where they are conveniently accessible for cleaning purposes.
    Characterized in that the pivoting takes place around the axis of rotation, the radial position of the tines with respect to the axis of rotation does not change. Rather, the maintenance position represents only a modified circumferential position of the prongs relative to the operating position relative to the axis of rotation. Consequently, when transferring between the maintenance position and the operating position, no threading of the prongs into the intermediate spaces is required. The risk of damage or other incorrect installation when pivoting in the operating position is thus avoided.
    In this case, under the operating position of the tines is understood such a position of the tines or the comb holder for holding the tines, in which the device makes the cutting of the food band as intended. The tines act in this position as hold-down for the food belt and prevent the food belt respectively the cut strips follow the cutting discs in the circumferential direction and stand out from the conveyor belt.
    Depending on the particular conditions present, which may depend on the properties of the product and the processing speed, the operating position may be accompanied by a smaller or a larger Ver-swivel angle. The pivot angle can be measured, for example, in the inclination of the comb teeth relative to the product strip. Thus, an operating position with a pivoting angle of about 30 ° may be advantageous in which the comb has no direct contact with the product band in normal operation. In a special Ausfüh tion form several operating positions are given with different pivoting angles, between which then can be easily changed with a few simple steps.
    In the maintenance position, however, the comb and the tines can be cleaned and / or disassembled. In contrast to the maintenance position access to the tines or to the comb by a conveyor belt or other conveyor is difficult in the operating position.
    Preferably, the comb holder is attached via a pivot bearing to a housing of the device. The pivot bearing thus supports the comb holder coaxial with the axis of rotation and thus with the cutting discs. Moreover, it is advantageous if the comb holder has a guide rail, which is aligned parallel to the axis of rotation and on which the comb is mounted. In this case, the guide rail preferably has a constant rail cross-section, so that the comb is in principle held displaceably on the guide rail. At this point, it should be emphasized that the comb can be composed of several comb elements, all of which are held in the same way on the guide rail. The division of the comb into several comb elements facilitates the assembly considerably.
    The comb or the comb elements can be stored in a certain way floating on the guide rail and thus occupy different axial positions on the guide rail. In this case, a certain axial play is advantageous in the positioning of the tines in the spaces. The comb holder may in particular comprise a stop in the radial direction, in particular radially outward. Further, the comb holder may comprise two opposite stops for the comb in the circumferential direction, by means of which the comb is defined in the circumferential direction defined on the guide rail.
    Preferably, the radial position of the comb or the comb elements (hereinafter the term "comb" and the individual comb elements are referred to) with respect to the comb holder fixed by Befestigungsklammem. The mounting bracket forms a second stop for the comb in the radial direction, whereby the comb is fixed radially. The mounting bracket may bias the comb radially toward the guide rail so as to at least prevent the comb from disengaging from the mounting rail. The attachment by means of the mounting brackets is particularly simple and allows a quick (De) installation.
    On the one hand, the clamp clamps the comb so strong on the guide rail that the comb is held non-positively on the guide rail and is sufficiently fixed. On the other hand, the comb can be kept floating on the guide rail in the axial direction. In such an embodiment, therefore, no frictional connection or positive connection between the rail is present, which would prevent a displacement of the comb along the rail. The holding of the axial position along the rail is thus made by the cutting discs themselves, which serve as a sort of axial stop for the tines, so to speak. In both aforementioned variants, the prongs are preferably arranged with axial play of about 0.5 mm maximum in the interstices.
    It does not matter in the inventive device, how many blades the knife roller has at what intervals. The device offers the possibility to provide different knife rollers with corresponding ridges for different products. This modular design offers maximum flexibility.
    Preferably, the comb holder is held by means of a locking means in the operating position and in the waiting position, wherein the locking means is in turn adjustably held on a housing part of the device. The setting of the locking means allows adjustment of the comb and thus the comb teeth in the operating position. Thus, by this adjustability, the operating position of the comb teeth in circumferential positions can be set exactly, which leads to a certain raising or lowering of the comb teeth against the food belt. About the circumferential position thus the gap width between the comb and conveyor respectively food band is set. This gap defines the maximum height in which the food belt lifts off the conveyor. In addition, the gap can be adapted to the strength of the food band.
    In a preferred embodiment, the locking means, at least indirectly, by means of an eccentric, which is clamped in particular with screw attached to a housing part of the device. By changing the rotational position of the eccentric, the distance of the locking means can be changed at the attachment point on the housing, whereby ultimately the circumferential position of the operating position is adjusted. It when the locking means is a pawl respectively a latch, which engages on the one hand in the pivotable comb holder and on the other hand is held by means of the eccentric suspension to the housing is particularly advantageous. By turning the eccentric suspension, the operating position of the comb holder is adjustable.
    Furthermore, it is advantageous if the comb or the comb elements are made in one piece from a dimensionally stable plastic, such as PVDF. The comb teeth are then formed according to solid fingers, which are cut out of the plastic block and engage in the operating position in each case in the interstices. To a certain extent, the cutting disks run in the cuts, so that they touch the side surfaces of the cutting disks without contact at a small distance of a few tenths of a millimeter. The close fit ensures that the food product can not pass through the gap between the side surface and the finger.
    In general, it is possible by the production of plastic to form the food product facing the undersides of the fingers so that an optimal removal of the food product along the bottom is guaranteed. The fingers may have a deflection surface facing the cut strip, which is set at a deflection angle against the moving food belt. About the adjustment by means of the eccentric then an adjustment of the discharge angle in the operating position is possible. Also, differently shaped combs may be provided for various food products to be processed which are easily interchangeable. In this respect, the device according to the invention offers advantageous modularity.
    In order to avoid a possible jam of the food product on the knife roller, it is advantageous to form the comb holder so that it can pivot at a defined pressure through the food product, for example, in the presence of a multi-layer product web, independently upwards. This can be achieved in that the fixed travel limit, in particular by the latch, acts only in one direction. When loaded in the other direction, the pawl can disengage and lift the comb with the comb holder by turning it upwards, so that the gap between the comb and the conveyor belt increases. With an enlarged gap, the food product can clear itself independently. After the free spaces, the comb holder lowers independently by its own weight and / or supported by appropriate means again, so that the latch engages again at the preset gap. In this way, a product jam can be avoided with corresponding consequential disturbances.
    It is also of particular advantage to allow an adjustment of the comb position and thus the gap distance thereby, that the comb is held in an adjustable position on the guide rail. For this purpose, the comb holder on means which allow a height adjustment of the comb tangentially to the axis of rotation in the operating position, wherein the gap width is adjustable by the height adjustment. This also allows the comb to be adapted to the geometry of the food band.
    The invention further relates to a method for mounting the comb on a device of the aforementioned type, comprising the following method steps: attaching the comb to a comb holder in the maintenance position, displacing the comb holder from the maintenance position to the operating position by pivoting the comb holder to the Rotary axis of the cutting discs. The method is characterized in that the transfer of the comb holder from the maintenance position into the operating position takes place by pivoting the comb holder about the axis of rotation of the cutting means.
    Preferably, the tines of the comb are inserted into the respective spaces between two cutting discs, while the comb holder is in the maintenance position. Characterized in that the comb holder or composed of comb elements, comb are more easily accessible in the maintenance position, the threading of the tines in the interstices in this position is facilitated. By pivoting changes to the already done threading the tines in the spaces nothing more.
    In a preferred embodiment, the prongs are first introduced into the interstices; only then the comb is mounted on the comb holder. Thus, the tines can first be immersed in the interstices. During this submerged situation, a displacement of the tines in the direction of the comb holder takes place. The cutting discs act as a guide and keep the tines during assembly on the comb holder in an axial position in which they are immersed in the interstices. This is particularly applicable when several combs of each manageable number of tines are mounted on the comb holder. Thus, each comb can be individually positioned one after the other by hand. Once the tines of the combs have been arranged in the intermediate spaces, the tines no longer leave these intermediate spaces during further assembly.
    To fix the comb, the locking means is used in the operating position. In particular, the locking means is at least indirectly brought into engagement with the comb holder. To adjust the gap width between the comb and the conveyor, the locking medium can be changed defined in its relative position relative to the housing of the device by means of the eccentric or other adjustment.
    In addition to the modular structure, which provides the inventive device with the assembly of different comb holder, combs and knife rollers, another noteworthy advantage is that the device with its few easily accessible and therefore effective components to be cleaned meets the highest standards of hygiene.
    Another advantage is that the comb with different types of knives, such as circular blades, perforated knives and toothed knives is universally applicable. By the appropriate choice of the knife, an optimal cutting of different food products can be achieved. For example, a toothed knife minimizes product displacement.
    In addition, it is advantageous that the behavior of the food belt can be influenced by the comb geometry, in particular by the formation of the underside of the tines. For example, in certain types of food, a long comb, or a comb with long prongs, can dampen the vibrations of the food band and thus calm the flow of the food band. In particular, it is advantageous, especially in the case of long tines, to provide the product facing Ableitfläche the comb wavy with inclined ramps and grooves introduced therein to ensure the lowest possible sliding of the product and to avoid sticking and blocking.
    Under a soft or viscous food mass in particular those food masses are to be understood, which undergo an elastic or plastic shape change readily when cutting. A Formstabi quality is barely present at the time of cutting, so that the processing of the food to retain the existing form requires increased attention. When cutting such a food mass with cutting discs, which in particular have a circumferentially circular cutting edges, the food is constantly applied in the circumferential direction of the cutting discs. The cutting edges may also have other shapes, for example perforated or toothed. The food product then tends to bend and follow the cutting disc.
    The invention will be explained in more detail below with reference to the figure, which shows:
    1 shows a device according to the invention in perspective view a) with cutting knives b) without cutting blade;
    2 shows the apparatus of Figure 1 in cross section during the transfer from the operating position to the maintenance position.
    Fig. 3 shows the apparatus of Figure 1 in cross-section, during different steps of the assembly of the combs.
    Fig. 4 shows the device of Fig. 1 in cross section with different gap widths.
    In Fig. 1, an inventive device 1 for cutting a food strip 4 is shown. With this device, a food belt, not shown here, can be cut from an industrially produced cheese, which is brought continuously via a conveyor belt 3. There are a plurality of cutting discs 2 are provided, which are aligned parallel to a conveying direction F of the conveyor belt 3 and cut the food band 4 in strips parallel to the conveying direction F. Not shown is a support shaft on which the cutting blades 2 are held, and which is held by a pivot bearing 14 relative to a housing 9.
    In Fig. 1, the device 1 is shown in an operating position. The comb or combs, i. a composite of comb elements comb, each provided with a plurality of prongs 6, which are located in intermediate spaces 7 between the cutting discs 2. The prongs 6 act as hold-downs to hold the cut food strip (s) on the conveyor belt 3 and to prevent the cut strips from adhering to and circumferentially following the cutting wheels. Fig. 1b shows the device without the cutting discs, so that the combs 5 are better visible.
    The tines 6, several of which are integrally connected to one another on a comb 5 and together mounted on a comb holder 8, as shown in Figs. 2a-d can be seen. This comb holder 8 comprises a guide rail 10 on which the combs 5 are in principle held axially displaceable, ie parallel to the axis of rotation A. A mounting bracket 11, which is resilient, surrounds the comb 5 and the guide rail 10 and thus acts on the comb 5 on the guide rail 10. In one embodiment, the loading by the mounting bracket 11 only takes place such that the comb 5 or the combs are merely held on the guide rail 10 without falling off of it; moving in the axial direction of the combs 5 on the guide rail 10 is then still possible, but is prevented by the cutting discs 2. The tines 6 then align themselves floating on the cutting discs 2. In an alternative embodiment, the mounting bracket 11 is dimensioned such that the combs 5 are held by the action of the comb 5 on the guide rail 10 frictionally on the guide rail 10.
    The comb holder 8 is held by means of the pivot bearing 14 on the housing 9 of the device 1. If now the comb holder 8 together with the tines 6 is pivoted about the axis of rotation A, the tines 6 still remain in the same radial position in the interspaces 7. They move away not from the axis of rotation A or do not move to the axis of rotation A. Thus, the comb holder 8 together with the comb 5 and the tines 6 between an operating position, shown in Figs. 2a and 2b, and a maintenance position, shown in Fig. 2c, are pivoted. In particular, it is advantageous that when pivoting from the maintenance position into the operating position no threading of the tines 6 in the interstices 7 is necessary.
    For assembly, the comb holder 8 is brought to the guide rail 10 in a maintenance position, as shown in Fig. 3a can be seen. In the service position, the comb holder 8 is held by a locking hook 13. In the maintenance position, the combs 5 are first manually introduced into the intermediate spaces 7 (FIG. 3b). Subsequently, the combs, as before with the tines 6 in the interstices 7, applied to the guide rail 10, while the tines are moved in the radial direction R outwards on the guide rail until they rest against the guide rail (Fig. 3c) , The combs 5 are fixed to the guide rail 10 via the fastening clips 11, whereby the combs 5 are fastened to the guide rail 10 and thus to the comb holder 8 (FIG. 3d).
    In the maintenance position, the combs 5 and the comb holder 8 are easily accessible from above; the manual introduction of the combs 5 and adjustment in the spaces 7 is readily possible. Subsequently, the locking hook 13 is released, and the comb holder 8 rotates about the axis of rotation A in the operating position.
    权利要求:
    Claims (12)
    [1]
    In the operating position, the comb 5 defines with the tines 6 and the conveyor belt 3 a gap with a gap width S, through which the food band 4 is guided during the cutting process (Fig. 4a-c). By varying the circumferential position of the comb holder 8 in the operating position, the gap 17 or the gap width S can be adjusted. By changing the circumferential position by a few degrees, the gap can be changed by a few millimeters. The comb holder 8 is also held on the locking hook 13 as adjustable locking means in the operating position. About the hook arm 16 of the locking hook 13 is connected to an eccentric screw 15 which is screwed into the housing 9. By turning the eccentric screw 15 can now be the position of the locking hook 13 and the distance of the locking hook 13 to the housing bore in which the eccentric screw is attached. be set. By appropriate modification, the circumferential position of the comb 5 can be adjusted in the operating position by the few degrees, by means of which then the gap width S is set. LIST OF REFERENCE NUMBERS 1 Apparatus for longitudinal cutting with a knife roller 2 cutting disc 3 conveyor belt 4 food band 5 comb 6 teeth 7 space 8 comb holder 9 housing 10 guide rail 11 mounting bracket 13 locking hook 14 pivot bearing 15 eccentric screw 16 hook arm A rotation axis F conveying direction R radial direction U circumferential direction S gap width claims
    1. Device (1) for slitting a on a conveyor in the conveying direction (F) moving food belt (4) of a viscous food mass, in particular a cheese mass, in a number of strips, wherein a rotating in the conveying direction about a rotation axis of the knife roller is provided for longitudinal cutting carries a number of cutting discs (2) corresponding to the number of strips to be produced, wherein the cutting discs (2) are arranged coaxially to the axis of rotation (A) and cut into the food band (4) with their outer edge, a comb (5) is provided with a plurality of comb teeth (6) which engage in an operating position during the longitudinal cutting in the intermediate spaces (7) between the cutting discs (2) to hold down the cut strips on the conveyor, characterized in that the comb ( 5) is held on a comb holder (8) which is pivotally supported about the rotation axis (A), the comb holding r (8) by pivoting about the axis of rotation (A) from the operating position into a maintenance position can be transferred.
    [2]
    2. Apparatus according to claim 1, characterized in that the comb holder (8) via a rotary bearing (14) on a housing part (9) of the device (1) coaxially with the axis of rotation (A) is attached.
    [3]
    3. Apparatus according to claim 1 or 2, characterized in that a locking means is provided, with which the comb holder (8) in the operating position and in the maintenance position can be determined.
    [4]
    4. The device according to claim 3, characterized in that the locking means is adjustably held on a housing part (9) of the device (1), wherein an adjustment of the locking means allows adjustment of the operating position of the comb teeth.
    [5]
    5. The device according to claim 4, characterized in that the locking means is a locking or latching pawl, which engages on the one hand in denverschwenkbaren comb holder (8) and on the other hand by means of an eccentric suspension on the housing part (9) is held, wherein by turning the eccentric Suspension the operating position of the comb holder is adjustable.
    [6]
    6. Device according to one of the preceding claims, characterized in that the comb holder (8) comprises a guide rail (10) which is aligned parallel to the axis of rotation (A).
    [7]
    7. The device according to claim 6, characterized in that the comb or composite of comb elements comb with mounting brackets (11) held in the axial direction floating on the guide rail (10) and fixed by frictional connection.
    [8]
    8. Device according to one of the preceding claims, characterized in that the comb holder (8) comprises means which allow a height adjustment of the comb holder (8) tangentially to the axis of rotation (A) in the operating position, wherein the height adjustment by the gap width between the comb and the food band to be cut is adjustable.
    [9]
    9. Device according to one of the preceding claims, characterized in that the comb or composite comb elements from each comb is made in one piece from a dimensionally stable plastic or stainless steel, wherein the comb teeth (6) are formed by fingers in the operating position respectively in the Intervene gaps and abut non-contact on the side surfaces of the cutting discs.
    [10]
    10. The device according to claim 9, characterized in that the fingers have a cut strip facing the discharge surface, which are employed in a discharge angle against the food belt to be moved, wherein the discharge angle is adjustable by adjusting the operating position.
    [11]
    A method of assembling the comb or comb combed comb member to a comb holder of the comb of a device according to any one of the preceding claims, wherein in the service position the comb (4) or comb members are fixed to the comb holder (8) and wherein Comb holder (8) is pivoted about the axis of rotation (A) of the knife roller from the maintenance position into the operating position.
    [12]
    12. The method according to claim 11, characterized in that first formed in the maintenance position the comb teeth formed as a finger (6) made of dimensionally stable plastic comb or comb elements in the spaces between two cutting discs and then the axial position of the comb or the comb elements be fixed on the comb holder.
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    同族专利:
    公开号 | 公开日
    US20200406490A1|2020-12-31|
    KR101979524B1|2019-05-16|
    BR112017011546B1|2021-08-03|
    DE102014117848B3|2016-05-19|
    US10800064B2|2020-10-13|
    US20170355092A1|2017-12-14|
    MX2017007082A|2017-09-05|
    JP2017537802A|2017-12-21|
    BR112017011546A2|2018-07-10|
    CA2969169C|2019-04-09|
    AR103693A1|2017-05-31|
    WO2016087571A1|2016-06-09|
    CA2969169A1|2016-06-09|
    JP6469867B2|2019-02-13|
    KR20170093195A|2017-08-14|
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    US10882203B2|2017-09-18|2021-01-05|Marlen International, Inc.|Food slicer with upper conveyor unit control|DE102014117848B3|2014-12-04|2016-05-19|Hochland Se|Slitting a strip of a soft food mass|
    CN113510786A|2021-09-14|2021-10-19|溧阳卓越新材料科技有限公司|Cutter arranging device of aluminum plastic film slitting device and cutter arranging control method|
    法律状态:
    2018-11-15| PCAR| Change of the address of the representative|Free format text: NEW ADDRESS: POSTFACH, 8032 ZUERICH (CH) |
    优先权:
    申请号 | 申请日 | 专利标题
    DE102014117848.3A|DE102014117848B3|2014-12-04|2014-12-04|Slitting a strip of a soft food mass|
    PCT/EP2015/078489|WO2016087571A1|2014-12-04|2015-12-03|Longitudinal cutting of a band of a soft food mass|
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