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
  • 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
  • B26D1/157—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 movable axis
  • B26D1/16—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 movable axis mounted on a movable arm or the like
• • 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
  • B26D7/06—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form
  • B26D7/0641—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form using chutes, hoppers, magazines
• • 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
  • B26D7/06—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form
  • B26D7/0683—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form specially adapted for elongated articles
• • 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
  • B26D2007/0012—Details, accessories or auxiliary or special operations not otherwise provided for
  • B26D2007/0018—Trays, reservoirs for waste, chips or cut products
• • 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
  • B26D7/01—Means for holding or positioning work
  • B26D2007/011—Means for holding or positioning work by clamping claws, e.g. in high speed slicers for food products
• • 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
  • B26D7/01—Means for holding or positioning work
  • B26D2007/013—Means for holding or positioning work the work being tubes, rods or logs
• • 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
  • B26D2007/327—Means for performing other operations combined with cutting for conveying or stacking cut product the cut products being slices of bread
• • 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
  • B26D2210/06—Machines or methods used for cutting special materials for cutting food products, e.g. food slicers for bread, e.g. bread slicing machines for use in a retail store

Definitions

• the invention relates to a machine for automatically slicing bread or a similar commodity.
• This machine comprises a loading compartment connected to a receiving compartment and a cutting device for cutting slices of the bread when it is moved from the loading compartment to the receiving compartment.
• a support surface for the bread extends into both compartments and defines a direction of movement of the bread parallel to the support surface.
• a slot is provided between the aforesaid compartments extending substantially transversely to the direction of movement. The cutter can move through this slot in a back-and-forth motion to cut slices of bread.
• the loading compartment comprises a wall formed by a guide surface which extends in the direction of movement of the bread and is substantially transverse to the support surface.
• DE 9310092 discloses a bread slicer in which the bread is transported in a vertical direction and is sliced during its downward movement. Moreover, in the DE 9310092 machine the cut bread must be recovered in a compartment different from that in which the bread to be cut has been introduced.
• DE 4431808 discloses a bread slicer in which the bread is cut into slices during its upward movement.
• the uncut part of the bread rests on the cutting blade during cutting of a slice of bread or the sliced portion rests on the blade cutting.
• This can cause several problems, such as, for example, moving the uncut portion of the bread relative to cut slices or the deformation of the crumb of the bread.
• the formation of a regular automatic packing of cut slices of bread proves to be problematic.
• the cut slices tend to be carried away somewhat by the movement of the blade. This prevents the successively cut slices from being piled up on one another regularly.
• the invention aims to remedy these problems by providing a machine to automatically cut a bread in which the cut slices of the bread are stacked on one another in a regular manner during its cutting during its downward movement.
• the machine comprises a bearing surface which extends in the receiving compartment in the extension of the guide surface and which is separated from the latter by a slot to allow the passage of the device cutting through this slit.
• the bearing surface is followed by a sliding surface forming a flaring of the receiving compartment allowing a free fall of a cut slice of bread towards its already cut portion.
• the machine comprises a gutter extending in the direction of movement of the bread to guide the latter during its movement between the load compartment and the receiving compartment.
• This gutter having a bottom formed by the supdite support surface.
• a side wall of this channel comprises said guide surface, the bearing surface and the sliding surface, the latter forming a flare of the channel in a direction substantially parallel to the support surface.
• the cutting device comprises a circular blade extending in the cutting plane.
• This blade is mounted on a drive arm for subjecting the blade to reciprocate in the cutting plane as the blade is driven about its central axis.
• the sliding surface comprises a portion inclined with respect to the direction of movement of the bread, which is connected to the bearing surface, and a portion extending substantially parallel to the surface. guidance.
• the receiving compartment has a side wall comprising the bearing surface and the sliding surface.
• a pusher with hooking means is provided for gripping the upper end of the bread.
• This pusher is movable in the direction of movement of the bread to allow the bread to move to the receiving compartment when sliced.
• the machine comprises a movable support for holding the cut portion of the bread, drive means being provided for moving the movable support in the direction of movement of the bread.
• the invention also relates to a method for automatically slicing a bread or similar product, wherein a bread is placed in a loading compartment against a support surface and against a guiding surface extending substantially transversely to the supporting surface in such a way that an area of the bread, having the widest section transversely to the support surface, comes into contact with the guide surface.
• the bread is then moved downward along a direction of travel to a receiving compartment as it slides against the support surface.
• Said displacement direction is substantially vertical or inclined at an angle less than 45 ° with respect to a vertical direction.
• This method is characterized in that, when a wafer is cut from said bread zone, this zone is supported laterally by said guiding surface above the cutting plane and by a bearing surface beneath it. plan.
• the stack is then moved at a distance from this cutting plane which is greater than the height of the bearing surface in the direction of movement of the bread plus the thickness of the slice concerned to allow the slice to fall after being cut on the stack.
• the upper end of the bread is seized after it has been placed against said support surface and this end is held against the gravity during its downward movement. while slices are cut.
• the bread is moved to the receiving compartment in discrete steps corresponding approximately to the thickness of the slices while maintaining the upper end of the bread until it is completely cut out. slices.
• the stack formed by the cut bread is, after its complete cutting, transported in said direction of movement to the loading compartment so as to be able to recover it in the cut-out state.
• Figure 1 is a schematic perspective view of a load compartment with an uncut bread and the receiving compartment of the machine of the invention according to the prior art.
• Figure 2 is a view similar to that of Figure 1 when the bread is moved a certain distance to the receiving compartment when sliced.
• Figure 3 is a view similar to that of Figures 1 and 2, showing the bread completely sliced in the receiving compartment.
• Figure 4 is a view similar to that of Figures 1 to 3 showing the bread cut in the load compartment.
• FIG. 5 is a front schematic view of the loading compartment and the receiving compartment of the machine according to the prior art, as shown in FIGS. 1 to 4, when a portion of a bread has been cut in slices.
• Figure 6 is a schematic perspective view from above of the sectional plane of a detail of the machine according to the invention.
• FIG. 7 is a schematic perspective view from below the sectional plane of the detail of the machine of FIG. 6.
• Figures 8 to 12 show a schematic front view of the load compartment and the receiving compartment of the machine, according to the invention, with different steps when a bread is cut into slices.
• Figures 13 to 16 show a schematic front view of the loading compartment and the receiving compartment of the machine showing different steps of the slicing of a bread, according to a very interesting embodiment of the invention.
• the machine according to the invention is, in general, an automatic bread slicer in which a bread to be cut is moved in a direction of movement in the machine. During this movement, the slices are cut one after the other in a direction transverse to said direction of displacement.
• This compartment 1 has a support surface 2 for the bread 3 having a plate which extends substantially vertically or which is inclined at an angle a less than 30 °, in particular less than 20 °, with respect to the vertical.
• This support surface 2 extends into a receiving compartment 4 and has a slot 5 which defines this receiving compartment 1 with respect to the loading compartment 4.
• the loading compartment 1 also has a wall formed by a guide surface 11 which extends into the receiving compartment 4.
• the guide surface 11 extends substantially transversely to the support surface 2 and has a slot 12 between the two compartments 1 and 4.
• the machine also comprises a mobile support 6 for the bread 3 extending, preferably, transversely with respect to the support surface 2.
• This mobile support 6 is driven, for example, by an electric motor to transport the bread 3 of the compartment from loading 1 to the receiving compartment 4 and vice versa.
• To cut the bread 2 into slices it is placed with the side, which forms the bottom of the bread 3, against the support surface 2 in the loading compartment 1 while it is supported by the mobile support 6.
• the bread 3 preferably bears with a lateral side against the guide surface 11.
• the bread 3 then undergoes a downward movement towards the receiving compartment 4 while it is guided by the supporting surface 2 and by the surface In this way, this support surface 2 determines the direction of movement of the bread, according to which the bread 3 and the movable support 6 are moved.
• a cutting device 7 comprising a cutting blade 8 which moves through the bread 3 in a direction horizontal or transverse to the direction of movement as shown diagrammatically in FIG. 2.
• the cutting device 7 moves through the slits 5 and 12.
• the cutting blade 8 comprises a circular blade which is driven about its central axis, as indicated by the arrow 9, as it is moved through the bread 3, as indicated by the arrow 10, in the direction of the surface 11. After each passage of the cutting blade 8, the bread 3 is lowered by a distance corresponding more or less to the thickness of a wafer before cutting the next wafer. The cutting device 7 is moved in a back and forth motion. Thus, a cut bread is obtained whose slices are stacked on the mobile support 6.
• the stack formed by the slices of the bread 3, is transported in said direction of movement to the load compartment 1 to be able to recover the bread 3 in the cut state.
• a mobile pusher 13 is provided in the loading compartment 1.
• This pusher 13 has hooking means in the form of movable hooks 14 for grasping the end 3.
• the pusher 13 is driven in the direction of movement of the bread 3 and allows to move it to the receiving compartment when slicing it while maintaining its upper end.
• the uncut portion of the bread 3 is, therefore, suspended from the pusher 13 by the hooks 14 during its cutting.
• the packing of the cut slices of the bread is generally irregular.
• the wider slices cling to the lower edge of the portion of the guide surface 11 extending into the load compartment 1.
• FIG. 5 shows, in such a case, the stacking of the cut slices in the receiving compartment 4. Following the movement of the blade 8 through the bread 3 towards the guiding surface 11, the slices 15 are taken somewhat by the blade 8. This is especially the case for the slices that come from the place of the bread zone having the widest section transversely to the support surface 1.
• the invention proposes to remedy this problem, as shown in Figures 6 and 7.
• the machine according to the prior art as described above, is modified by having an alternative form for the portion of the guide surface 1 1 which extends into the receiving compartment 4.
• the slicing machine 3 automatically slices, according to the invention, comprises a bearing surface 16, which extends into the receiving compartment 4 in the extension of the guide surface 11.
• This bearing surface 16 is separated from the guide surface 11 by the slot 12 to allow the passage of the cutting device 7 through this slot 12.
• the upper edge of this bearing surface 16 thus extends in the plane of the guide surface 2 and, preferably, parallel to the cutting plane. This allows the bread 3 to move, without clinging to the edges of the slot 12, over this slot to the loading compartment 1 or to the receiving compartment 4.
• the bearing surface 16 is followed by a sliding surface 17 which forms a flaring of the receiving compartment 4.
• This sliding surface 17 has a first portion adjacent to the bearing surface 16, which is inclined relative thereto , and a second portion 18, extending substantially parallel to the guide surface 11. This second portion 18 is optional and is offset with respect to the guide surface 11.
• the machine therefore comprises a gutter which extends in the direction of movement of the bread 3 to guide the latter during its movement between the load compartment 1 and the receiving compartment 4.
• the support surface 2 forms the bottom of this channel and all of said guide surface 11, the bearing surface 16 and the sliding surface 17 is part of a side wall of the gutter.
• the bearing surface 16 defines, in particular, a flare of the channel in a direction substantially parallel to the support surface 2 and transverse to the guide surface 11.
• the cutting device 7 comprises a circular blade 8 which extends in the plane of section.
• This blade 8 is mounted on a drive arm 18, one end of which is pivotally mounted relative to the frame of the machine, while the opposite end 19 of this arm 18 has the circular blade 8.
• the drive arm is moved reciprocatingly along the cutting plane to direct the blade 8 to the guide surface 11 through the slot 12 to cut successive slices.
• the driving arm is moved together with the blade 8, through the slot 5 during its movement back and forth to cut slices of the bread. Simultaneously, the blade 8 is driven around its central axis. Following the movement of the arm 18, the blade 8 also passes through the slot 12 adjacent to the guide surface 11 and the bearing surface 16.
• the drive arm 18 is mounted on the lower face of the blade 8, so that the upper face of the blade 8 is held substantially smooth to prevent snagging on the bread 3 during slicing.
• the end 19 of the drive arm 18, which extends below the blade 8, has a wedge-shaped inclined side surface.
• FIG. 8 the cutting of the slices of the bread according to the invention is explained.
• a slicing bread 3 is placed on the mobile support 6 in the receiving compartment 1.
• This bread is positioned with the bottom against the support surface 2 and with its lateral side in contact with the
• the area 20 of the bread 3, having the widest section transversely to the support surface 2 is brought into contact with the guide surface 2.
• the pusher 13 is moved up to the upper end of the bread 3 so that the hooks 14 of the pusher 13 can grasp this end.
• the mobile support 6 is positioned below the level of the section plane.
• the pusher 13 is raised a sufficient distance for a first slice of the lower end of the bread 3 can be cut.
• the bread 3 is suspended from the pusher 13 by means of the hooks 14.
• the mobile support 6 is lowered by a certain distance in order to create a space between the mobile support 6 and the bread 3 which allows the cut slices to fall. towards the mobile support 6, as described below.
• the bread 3 is then moved downwards, in the direction of movement, towards the receiving compartment 4, driving the mobile support 6 and the pusher 13.
• the bread slides against the support surface 2 and slices 15 are cut from the bread 3, as shown in Figures 9 and 10, by the movement back and forth of the blade 8 along the cutting plane between the loading compartment 1 and the receiving compartment 4.
• the blade 8 moves in a manner synchronized with the advance of the bread 8 towards the receiving compartment 4.
• the slices 15 cut are successively stacked on the mobile support 6, below the cutting plane, forming a stack 21 having parallel slices 15 in the receiving compartment 4.
• this stack 21 is moved downward along said direction of travel.
• the mobile support 6 is lowered together with the stack 21, in order to create a distance between the stack and the wafer 15 that will be cut from the bread 3, which is sufficient for this wafer 15 to falling freely, after cutting, to the stack 21, as shown in Figure 9.
• this wafer 15 can fall freely, without being congested, it is posed in a regular manner on the stack 21 and parallel to the slices already contained in this stack 21.
• said distance between the stack and the bread is at least equal to the thickness of a wafer 15 and, preferably, greater than this thickness or greater than the total of the height of the drive arm 18 in the compartment 4, in the direction of movement of the bread, and the thickness of a wafer 15.
• the bread 3 is moved to the receiving compartment 4 in discrete steps, preferably corresponding to the thickness of the slices 15 by maintaining the upper end of the bread by the pusher 13 to its complete cut.
• the stack 21, formed by the cut bread 3 is then transported in the direction of movement to the load compartment 1, driving the mobile support 6, in order to recover it in the cut state. It goes without saying that before the cut bread 3 is removed from the loading compartment 1, its upper end is released from the hooks 14.
• the area 20 of the bread is advantageously guided by the upper part of the sliding surface 17 adjacent to the bearing surface 16.
• FIG. 13 to 16 an alternative embodiment of the machine according to the invention is shown.
• This embodiment differs mainly from the embodiment of the invention shown in Figures 8 to 12 in that the side wall of said gutter, or, in particular, the side wall of the load compartment 1 and the compartment reception 4 is slightly inclined relative to the vertical.
• the side wall of said gutter, or, in particular, the side wall of the load compartment 1 and the compartment reception 4 is slightly inclined relative to the vertical.
• This wall comprising the guide surface January 1 and the second portion 18 of the sliding surface, is, for example, inclined at an angle less than 30 ° or 15 ° relative to the vertical direction.
• this angle a is less than 10 ° or of the order of 5 °, for example 3 °.
• Said gutter therefore does not necessarily have a cross section that looks like a U, but may also have a V-shaped section.
• the bread After the bread has been completely cut into slices 15, it is reassembled to the loading compartment 1 by the upward movement of the mobile support 6. During this displacement of the cut bread, the stack 21 of the slices
• the machine following the invention preferably comprises at least one movable closing member which makes it possible to close the free part of the slot 5 as the cutting device advances or retreats through the slot 5.
• the bread 3 can slide on the surface of this closure member during its movement between the compartments in the direction of movement of the bread.
• the sliding surface 17 has a second portion 18, but it can only include a first inclined portion which is adjacent to the bearing surface 16.
• the height of the bearing surface 16, in the direction of movement of the bread is preferably of the order of the thickness of a wafer 15, but it may be less than or greater than this thickness.
• the movable support 6 is positioned in the receiving compartment 4 when a bread 3 to be cut is introduced into the machine according to the invention. It is clear that it is also possible that this mobile support 6 is moved into the load compartment 1 before a piece of bread is introduced.
• This mobile support 6 may optionally have a hollow upper surface, in which the lower end of the bread can be accommodated.
• the support surface 2 is preferably straight, but it can also be curved.
• the portion of the support surface 2, which extends into the receiving compartment to constitute a bearing surface adjacent to the first slot 5.
• This bearing surface is, for example, similar to that provided in the extension of the guide surface 11 and is advantageously also followed by a sliding surface forming a flaring of the receiving compartment 4. This allows a free fall of a slice 15 cut bread 3 to the part already cut bread.
• the invention relates to a machine for automatically cutting a bread, in particular a bread slicer, having a support surface 2 for the bread 3, which is preferably slightly inclined relative to the vertical.
• This support surface 2 is, in particular, inclined at an angle less than 45 ° relative to a vertical direction and preferably less than 30 ° or 15 ° relative to the vertical direction. Nevertheless, it is also possible that this support surface 2 extends essentially vertically.

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• Life Sciences & Earth Sciences (AREA)
• Forests & Forestry (AREA)
• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Details Of Cutting Devices (AREA)
• Bakery Products And Manufacturing Methods Therefor (AREA)

Priority Applications (1)

Applications Claiming Priority (2)

Publications (3)

Family

ID=54396680

Family Applications (1)

Country Status (4)

Families Citing this family (3)

Family Cites Families (3)

• 2015
  • 2015-09-11 BE BE2015/0234A patent/BE1024058B1/fr not_active IP Right Cessation
• 2016
  • 2016-09-09 PL PL16777540T patent/PL3347178T3/pl unknown
  • 2016-09-09 EP EP16777540.2A patent/EP3347178B8/de active Active
  • 2016-09-09 WO PCT/EP2016/071338 patent/WO2017042353A1/fr unknown

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