EP3187316A1 - Machine a decouper equipee d'un dispositif de pesage - Google Patents

Machine a decouper equipee d'un dispositif de pesage Download PDF

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Publication number
EP3187316A1
EP3187316A1 EP15203276.9A EP15203276A EP3187316A1 EP 3187316 A1 EP3187316 A1 EP 3187316A1 EP 15203276 A EP15203276 A EP 15203276A EP 3187316 A1 EP3187316 A1 EP 3187316A1
Authority
EP
European Patent Office
Prior art keywords
cutting machine
weighing device
machine according
machine housing
carrier
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.)
Withdrawn
Application number
EP15203276.9A
Other languages
German (de)
English (en)
Inventor
Ralf Steinhilber
Holger Klinger
Rainer Seemann
Markus Müller
Mirjam Kirn
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bizerba SE and Co KG
Original Assignee
Bizerba SE and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Bizerba SE and Co KG filed Critical Bizerba SE and Co KG
Priority to EP15203276.9A priority Critical patent/EP3187316A1/fr
Priority to EP16206876.1A priority patent/EP3187317B1/fr
Publication of EP3187316A1 publication Critical patent/EP3187316A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/27—Means for performing other operations combined with cutting
    • B26D7/32—Means for performing other operations combined with cutting for conveying or stacking cut product
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
    • B26D1/14—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter
    • B26D1/143—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter rotating about a stationary axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/005—Computer numerical control means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/27—Means for performing other operations combined with cutting
    • B26D7/30—Means for performing other operations combined with cutting for weighing cut product
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D2210/00—Machines or methods used for cutting special materials
    • B26D2210/02—Machines or methods used for cutting special materials for cutting food products, e.g. food slicers

Definitions

  • the invention relates to a cutting machine with weighing device.
  • Such a cutting machine with weighing device is known.
  • This cutting machine has in the storage area on a support on which a load cell is slidably mounted.
  • the load cell carries a tray, with the cut by the cutting machine discs are placed on this tray.
  • the tray can be moved to shingles the material to be cut.
  • the electrical signal of the load cell is fed via a flexible cable into the machine housing.
  • a disadvantage of this construction is that the flexible conduit can be damaged or accidentally squeezed, thereby adversely affecting the measurement result of the weighing cell.
  • the invention has for its object to provide a cutting machine for food with a weighing device, which is robust and preferably has a low overall height.
  • the weighing device is slidably connected to the machine housing via a carrier device, which comprises at least one carrier.
  • the carrier device comprises a carrier that supports the weighing device.
  • the carrier device may also comprise a plurality of individual carriers, for example two carriers or three carriers, for supporting the weighing device.
  • the weighing device comprises a display unit for displaying weight values measured by the weighing cell.
  • the display unit is fixedly connected to the weighing device and is displaceable together with the weighing device and its position is constant relative to the weighing cell. In other words, the position of the display unit relative to the load cell is independent of the position of the weighing device relative to the machine housing. This has the advantage that when moving the weighing device no mechanical load for a cable is created, which connects the load cell with the display unit, since the distance between the load cell and display unit does not change.
  • the display unit is arranged below a load plate.
  • At least one carrier of the carrier device has a receiving space.
  • an electrical cable connection for powering the weighing device is performed.
  • the wall of the carrier surrounds the cable connection completely or at least to a large part of the cross section, preferably C-shaped or U-shaped.
  • the cutting machine is intended for separating slices of rope-shaped food. It has a machine housing, which supports a drive motor and a driven by the drive motor rotating cutting blade. In the area of the cutting blade, i. H. spatially associated with the cutting blade, a storage area is provided with a arranged in the storage area weighing device.
  • the weighing device comprises a load cell and a load plate connected to the load cell for depositing separated slices.
  • the weighing device further comprises the display unit for displaying the measured weight values.
  • the weighing device and thus also the display unit is mounted relative to the machine housing adjustable and / or displaceable.
  • the weighing device can be moved by a motor driven relative to the machine housing, in order to lay with the slices of the material to be cut two-dimensional or three-dimensional storage images.
  • the carriers of the carrier device can be driven by a motor linearly from the machine housing be pushed out or pulled into the machine housing.
  • a chain frame arranged in the storage area which transports the separated slices of the material to be cut in the transverse direction, it is possible to lay two-dimensional or three-dimensional storage images.
  • the weight of the cut slices can be determined and displayed and so a desired target weight of a portion of the cut material to be determined exactly.
  • the weighing device is mounted displaceably on the carrier device relative to the machine housing.
  • the weighing cell of the weighing device is arranged laterally next to the machine housing.
  • the load cell may be arranged on an end face or an end face of the machine housing.
  • the at least one carrier engages through a wall of the machine housing, wherein it is preferably provided that the wall has a sliding bearing for the at least one carrier. It can at least a carrier in the machine housing to be inserted and / or extendable.
  • the sliding bearing arranged in a wall of the machine housing has a seal, in particular a sliding seal.
  • the sliding bearing may have a seal integrated into the sliding bearing.
  • the sliding bearing may be formed as a plastic bushing, which has a low tolerance and the carrier comprises free of play and so creates a seal between the carrier and the plain bearing.
  • the load cell is designed as an analog load cell and transmits the cable connection for transmitting weight data, an analog measurement signal to the display unit.
  • the cable connection transmits a digital signal to the display unit for transmitting weight data.
  • the load cell may be for example as a load cell with strain gauges or D ehnungs m s ess t Shape formed.
  • the strain gauge sensors are preferably connected as a Wheatstone bridge.
  • the measuring signal of the strain gages can then be routed through a resistor network and connected to the cable connection.
  • the resistor network is used to match the Wheatstone bridge. It can be one or more temperature dependent Have resistors that compensate for a temperature dependence of the measurement signal.
  • the measuring cell has a temperature sensor whose signal is transmitted via the cable connection for transmitting weight data, preferably via a separate conductor of the cable connection for transmitting weight data, and in the display is used for temperature adjustment of the measuring signal.
  • the load cell has a detachable plug connection for connecting a cable of the cable connection for transmitting weight data.
  • the connector may be formed for example as a waterproof plug or have a waterproof PG gland.
  • the machine housing has a first carrier and a second carrier for holding the weighing device.
  • the two carriers are in particular spaced from each other and thus allow a storage of the load cell, which is insensitive to lateral forces or disturbing moments.
  • the carrier device via a roller on the Machine housing supported torque support.
  • the torque support may be formed as a transverse to a support strut, the end of which covers a roller on a running surface of the machine housing.
  • the roller can either be mounted on the machine housing, ie be stored fixed to the housing, or be stored on the strut.
  • the machine housing has a space for receiving a drive device, and the drive device retracts a carrier and / or all the carriers in the machine housing or pushes out of the machine housing.
  • the drive device may comprise a stepper motor or a server motor, which allows a tailor-made adjustment of the carrier. As a result, for example, a particularly precise depositing image of the food slices separated by the cutting machine is made possible.
  • the drive device drives the first carrier and / or the second carrier.
  • the drive device drives both carriers, for example, heavy cut material or large quantities of cutting material can be handled easily. If the drive device drives only one carrier and, for example, the second carrier is carried along in parallel, this enables a cost-effective production which is suitable for smaller cutting machines.
  • the load plate is detachable from the load cell without tools.
  • the load plate is in particular formed of a metal, for example aluminum or a steel sheet.
  • the load plate is contaminated by the cutting material and must therefore be cleaned more often.
  • the load plate can be removed and cleaned without tools from the weighing device. After the cleaning process, the cleaning plate can then be connected again without tools to the weighing device and is ready for the next cutting operation.
  • the cutting machine has a control device for controlling the drive device, wherein the control device controls the drive device for depositing two-dimensional or three-dimensional storage figures.
  • storage figures can be adjusted for example via the control device, whether the separated food slices are stored as a circle or as a stack or as an ellipse.
  • the individual panes of the filing figures may also partially overlap, so that shingled or partially stacked filing figures are possible.
  • the controller is programmed by an input device by a user to set the desired tray figures.
  • the input device may, for example, be attached to the machine housing or to the motor tower of the cutting machine.
  • An application of the cutting machine according to the invention can be carried out in particular in fresh food or in the industrial processing of food.
  • the slicer can be used in the processing or sale of sausage products or cheese products.
  • the in the FIGS. 1 to 5 Cutting machine 1 shown has a machine housing 11, which comprises a substantially square base and an upwardly projecting drive tower 12.
  • a machine housing 11 which comprises a substantially square base and an upwardly projecting drive tower 12.
  • the drive motor drives a circular rotating cutting blade 16, which in a cutting plane A, the in Fig. 2 is shown, rotates.
  • the machine housing is sturdy and, in one embodiment, is made from an aluminum alloy in a casting process.
  • the cutting edge of the cutting blade 16 is covered by a knife protection ring 17.
  • the knife guard ring 17 surrounds the cutting edge of the cutting knife C-shaped.
  • a stop plate 18 is arranged, which in Fig. 1 and Fig. 2 is shown. Out Fig. 2 it can be seen that the stop plate 18 is parallel to the cutting plane A.
  • the stop plate 18 can be adjusted laterally to adjust the thickness of the separated food slices.
  • the food to be cut are placed on a carriage 19, which is movable parallel to the cutting plane.
  • the carriage 19 can be driven manually or driven by a motorized carriage drive.
  • the machine housing 11 comprises a arranged in a storage area 13 chain frame 14 and a beater 15, which is driven by a Abellermotor 151.
  • the separated from a cutting material on the cutting blade 16 discs are transferred to the chain frame 14 and transported there in the transverse direction.
  • the wiper 15 then separates the wafers from the chain frame and places them in the storage area 13 on top of the tray tray 22 and load plate 22, as in FIG Fig. 1 is shown.
  • the storage tray 22 is connected to a load cell 21 via a coupling device 23.
  • the load cell 21, like the tray tray 22, is part of a weighing device 2 which, as in FIG Fig. 1 seen, is arranged on the front end side of the machine housing 11.
  • the weighing device 2 is connected to the machine housing 11 via an upper bracket 241 and a lower bracket 242. These two carriers support a housing 25, which encloses the load cell 21 and protects against mechanical influences.
  • the weighing device 2 further includes a display unit 4.
  • the display unit (4) is attached to the housing 25 enclosing the load cell 21.
  • the display unit 4 includes a display screen 43 facing the user and displaying the weight values measured by the weighing device. In one embodiment, the weighing device 2 is with the Display unit 4 calibratable.
  • the display unit 4 further comprises at least one operating element 41, 42 for operating the display unit 4.
  • the operating elements 41, 42 are designed to switch on / off the display unit 4 or to set the unit in which the weight values are displayed.
  • the display unit 4 is disposed below the load plate 22.
  • the position of the display unit 4 and the load cell 21 or the housing 25 of the load cell 21 is constant relative to each other, regardless of whether the weighing device 2 is moved horizontally with the support device 24. Due to this, a cable connection for communicating weight data between load cell 21 and display unit 4 is not mechanically stressed and the distance bridged by the cable connection for transmission of weight data remains constant.
  • the Fig. 3 shows an enlarged view of the weighing device 2.
  • the coupling device 23 is disposed in the load introduction portion 21 a of the load cell 21. At the top of the coupling device 23, the load plate 22 is supported by this.
  • the coupling device 23 represents a, preferably the only support of the load plate 22, so that the entire weight of introduced on the load plate 22 items to be cut directly into the load application area 21a of the load cell 21 is initiated.
  • the load cell 21 has a centrally arranged weakening area. In the weakened area strain gauges are arranged, for example, applied to the bending bar of the load cell or glued to it. These measure a weight-based deformation of the load cell 21 and provide an electrical measurement signal.
  • the upper carrier 241 has a moment support 27.
  • This torque support 27 comprises a strut extending transversely to the carrier 241, the end facing away from the carrier being supported on the machine housing 11 via a roller 271.
  • a sliding bearing 111 is arranged, which forms a sliding bearing for the carrier on the one hand and on the other hand has a sliding seal to seal the opening through the machine housing 11.
  • the coupling device 23 is shown in the upper area.
  • the coupling device 23 has a pivot bearing 231 which supports the load plate 22 in a pivotable manner.
  • the pivot bearing 231 is open on one side.
  • the opening has a clear width, which is smaller than the diameter of the pivot bearing 231.
  • the load plate 22 has a pivot axis 232 which has a round cross-section, the two lateral constrictions having. These lateral constrictions are dimensioned so that the thickness of the pivot axis in the region of the constriction of the clear width corresponds to the opening of the pivot bearing. Therefore, the pivot axis connected to the load plate 22 can be inserted or removed in a certain pivotal position through the opening of the pivot bearing 231.
  • the contour of the pivot bearing 231 is keyhole-shaped in order to allow tool-free insertion and / or removal of the load plate 22 and to mechanically stably support the load plate.
  • the load plate 22 In order to remove the load plate 22 from the weighing device, the load plate 22 is pivoted upward, i. spent in a vertical position. In this vertically extending position, the load plate can then be threaded out of the pivot bearing 231 and removed. For attaching the load plate this is again threaded in a vertical position in the pivot bearing 231, to which this has a funnel-shaped inlet slope to facilitate threading. After the pivot axis 232 is received in the pivot bearing 231, the load plate 22 is pivoted to a horizontal position and thereby fixed in the pivot bearing 231 without play.
  • the Fig. 5 shows a section through the machine housing 11 of the cutting machine 1.
  • the machine housing 11 has in its interior a space 11a, in which a connected to a control device 3 driving device 245th is added to adjust the weighing device 2 driven by a motor.
  • the carrier 241 has in its end region on a tooth portion 244 which meshes with the output 245a of the drive motor 245.
  • the weighing device 2 via the drive device 245 is adjustable. That is, the weighing device 2 can be extended by a distance parallel to the machine housing or retracted into the machine housing.
  • the control device 3 controls the drive motor 245, which is designed as a servomotor or stepping motor in order to obtain a precise adjustment of the weighing device 2.
  • the load plate 22 is also moved so that a two-dimensional or three-dimensional storage image of the food slices separated by the cutting machine can be achieved by moving the weighing device 2.
  • control device 3 additionally controls the chain frame 14 in order to determine the degree of transverse displacement of the separated food slices.
  • control device 3 controls the Abanger 15 to allow the storage of the separated food slices as precisely as possible.
  • control device 3 is connected to an input device via which the desired filing image is adjustable and / or programmable.
  • the Input device is attached to, for example, the machine housing 11 or the motor tower 12 of the cutting machine 1.
  • the two carriers 241 and 242 are arranged in the horizontal direction and in the vertical direction at a distance from each other. This distance of the two carriers 241 and 242 allows a good moment support of the weighing device 2, so that it is securely mounted even at corner loads or uneven loads on the machine housing 11 and an accurate measurement result is possible.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Food-Manufacturing Devices (AREA)
EP15203276.9A 2015-12-31 2015-12-31 Machine a decouper equipee d'un dispositif de pesage Withdrawn EP3187316A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP15203276.9A EP3187316A1 (fr) 2015-12-31 2015-12-31 Machine a decouper equipee d'un dispositif de pesage
EP16206876.1A EP3187317B1 (fr) 2015-12-31 2016-12-23 Machine a decouper equipee d'un dispositif de pesage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP15203276.9A EP3187316A1 (fr) 2015-12-31 2015-12-31 Machine a decouper equipee d'un dispositif de pesage

Publications (1)

Publication Number Publication Date
EP3187316A1 true EP3187316A1 (fr) 2017-07-05

Family

ID=55070788

Family Applications (2)

Application Number Title Priority Date Filing Date
EP15203276.9A Withdrawn EP3187316A1 (fr) 2015-12-31 2015-12-31 Machine a decouper equipee d'un dispositif de pesage
EP16206876.1A Active EP3187317B1 (fr) 2015-12-31 2016-12-23 Machine a decouper equipee d'un dispositif de pesage

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP16206876.1A Active EP3187317B1 (fr) 2015-12-31 2016-12-23 Machine a decouper equipee d'un dispositif de pesage

Country Status (1)

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EP (2) EP3187316A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022117034A1 (de) 2022-07-08 2024-01-11 Gebr. Graef GmbH & Co. Kommanditgesellschaft Schneidemaschine für Lebensmittel

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0216754B1 (fr) 1985-09-25 1990-04-18 Brain Dust Patents Establishment Machine à trancher la viande
EP0449512A1 (fr) * 1990-03-27 1991-10-02 Thurne Engineering Co Ltd Machine à découper
EP1637296A1 (fr) * 2004-09-15 2006-03-22 ritterwerk GmbH Trancheuse avec un dispositif de pesée

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0216754B1 (fr) 1985-09-25 1990-04-18 Brain Dust Patents Establishment Machine à trancher la viande
EP0449512A1 (fr) * 1990-03-27 1991-10-02 Thurne Engineering Co Ltd Machine à découper
EP1637296A1 (fr) * 2004-09-15 2006-03-22 ritterwerk GmbH Trancheuse avec un dispositif de pesée

Also Published As

Publication number Publication date
EP3187317B1 (fr) 2020-08-12
EP3187317A1 (fr) 2017-07-05

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