EP0362573B1 - Messer zum Schneiden von Gut in Scheiben - Google Patents

Messer zum Schneiden von Gut in Scheiben Download PDF

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Publication number
EP0362573B1
EP0362573B1 EP89116633A EP89116633A EP0362573B1 EP 0362573 B1 EP0362573 B1 EP 0362573B1 EP 89116633 A EP89116633 A EP 89116633A EP 89116633 A EP89116633 A EP 89116633A EP 0362573 B1 EP0362573 B1 EP 0362573B1
Authority
EP
European Patent Office
Prior art keywords
cutting edge
section
radius
increase
speed
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.)
Expired - Lifetime
Application number
EP89116633A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0362573A2 (de
EP0362573A3 (de
Inventor
Uwe Reifenhäuser
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0362573A2 publication Critical patent/EP0362573A2/de
Publication of EP0362573A3 publication Critical patent/EP0362573A3/de
Application granted granted Critical
Publication of EP0362573B1 publication Critical patent/EP0362573B1/de
Anticipated expiration legal-status Critical
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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
    • 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
    • B26D1/0006—Cutting members therefor
    • 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
    • B26D1/0006—Cutting members therefor
    • B26D2001/0046—Cutting members therefor rotating continuously about an axis perpendicular to the edge
    • 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
    • B26D1/0006—Cutting members therefor
    • B26D2001/006—Cutting members therefor the cutting blade having a special shape, e.g. a special outline, serrations

Definitions

  • the invention relates to a knife disk for cutting material which is advanced in the direction of its longitudinal axis relative to the knife disk and which plastically deforms when a certain cutting pressure is exceeded, such as sausage or meat products to be cut into slices.
  • the knife disc which is driven at constant speed, is provided with a cutting edge on its spiral circumference and is arranged on a shaft oriented perpendicular to its plane. The knife disc is driven by this about an axis of rotation essentially parallel to a longitudinal axis of the material.
  • Knife slices of this type with a cutting edge running according to an Archimedean or logarithmic curve are generally known and make it possible, for example, to advance a length of sausage in cycles in the longitudinal direction by the thickness of a slice to be cut off, the feed stroke corresponding to the knife speed and in each case being carried out within a period of a knife rotation, during which the knife disc is overall outside the cross-section occupied by the sausage skein, so that a feed impediment can be excluded by a knife part.
  • the known knife disks with a cutting edge course according to an Archimedean spiral lead to a constant feed rate of the cutting edge through the material with a constant distance between the axis of rotation of the knife disc and the central axis of the material to be cut and with a drive-dependent constant angular velocity of the knife disc.
  • a high feed rate of the cutting edge has a negative effect in these cutting phases insofar as the cutting material is considerably deformed by the pressure of the cutting edge, so that disks with a very irregular geometry are incurred, in particular the thickness of the panes varies in their edge regions and there are sometimes wedge-shaped panes or panes with tab-shaped marginal strips.
  • the known knife disks with a cutting edge course according to a logarithmic spiral lead to a disproportionate increase in the feed speed of the cutting edge under the conditions which otherwise correspond to the aforementioned conditions, since the feed speed is not constant like the angular speed, but corresponds to the peripheral speed which depends on the respective distance of the Cutting edge point depends on the axis of rotation.
  • the feed speed of the cutting edge reaches its maximum at the end of a cut, so that in this edge area, which tends to be particularly deformed, the disadvantage described above occurs in the same way with regard to the disk geometry, and wedge-shaped or tab-shaped disks occur. It is therefore not enough to reduce the knife speed and the maximum cutting edge speed.
  • the invention has for its object to form a knife disc of the type described in such a way that, at constant knife speed, the feed speed of the respectively active section of the cutting edge of the respective tendency to deform the material to be cut is adapted, ie the size of the feed rate should be increased or reduced in inverse proportion to the tendency of the material to deform.
  • the feed rate at the beginning of a cut can be kept correspondingly low with a considerable tendency to deform the material, then increased correspondingly to the reduced tendency to deform the material, in order to be reduced again towards the end of the cut when the tendency to deform the material increases again.
  • the feed speed of the cutting edge is at a during the first and third section critical with regard to deformation constant small size adjustable and during the second section, which is uncritical with regard to deformation, the feed speed of the Cutting edge can be accelerated to a size by which time losses during the first and third sections can be more than compensated for.
  • a high productivity of a cutting device, which is equipped with the knife disk according to the invention, can therefore be ensured without impairing the shape accuracy of the disks cut from a sensitive good by overall high average cutting speeds.
  • a further embodiment of the invention provides that the radius increase over the first section of the cutting edge is greater than the radius increase over the third section of the cutting edge, so that the constant feed speed of the cutting edge of the first section is greater than that of the third section.
  • the feed speed of the cutting edge can be optimized for each section, so that a corresponding increase in the cutting performance while maintaining the shape accuracy of the resulting disks can easily be achieved.
  • a particularly advantageous division of a cutting edge is carried out according to a further embodiment of the invention so that the first section over more than 45 ° and less than 90 °, the second section over more than 90 ° and less than 180 ° and the third section again extends over more than 45 ° and less than 90 °.
  • an embodiment of the invention provides that the difference between the maximum radius of the third section of the cutting edge and the minimum radius of the first section of the cutting edge is adapted to the maximum diameter of the disks to be cut.
  • FIG. 1 an exemplary embodiment of a knife disc according to the invention is shown in a top view in FIG. 1 and the feed speed of the respectively active cutting edge region of the knife disc is shown graphically as a time / angle function in FIG. 2.
  • the cutter disc 1 which is fastened on a shaft (not shown), is provided with a spiral cutting edge 2 over 270 °. This is subdivided into a first section 4, a second section 5 and a third section 6 in the direction of rotation of the cutter disk 1, indicated by an arrow 3.
  • the radius increase is smaller than the radius increase in the second section 5 arranged therebetween.
  • the different radius increase occurs because the cutting edge 2 over section 4 after an Archimedean spiral, over section 5 after a cosine spiral and over section 6 again after an Archimedean spiral.
  • the knife disc 1 in section 4 of the cutting edge 2 which extends over a total of 270 °, with a smallest radius of 44 mm and a largest Radius of 58 mm and in section 6 of the cutting edge 2 designed with a smallest radius of 137 mm and a largest radius of 150 mm, consequently for the cutting edge 2 of section 5, a smallest radius of 58 mm and a largest radius of 137 mm 2, curve 7, shown in solid lines in FIG. 2, shows a maximum gate feed speed of 300 mm / s and a maximum section feed speed of 100 mm / s.
  • the feed rate is shown in mm / s on the ordinate and the cutting time in s or the angle of rotation of the knife disk 1 in degrees on the abscissa.
  • the cut is made over the first horizontal part 7.1 at a constant feed speed of the cutting edge 2 according to an Archimedean spiral.
  • part 7.2 which runs according to a cosine spiral, the increase factor of which can be varied between 1 and 99 in FIG. 2 is approximately 50 and leads to a maximum feed rate of 1954.55 mm / s.
  • curve 7 merges into part 7.3, which in turn shows a constant feed speed of cutting edge 2, which, however, is lower than that of first part 7.1 and only coincides with it insofar as part 7.3 runs according to an Archimedean spiral.
  • a dashed curve 8 and a dash-dotted curve 9 are shown in FIG. 2, which result from conventional knife designs in which the cutting edge extends over its entire extent according to an Archimedean spiral (8) or according to a logarithmic spiral (9). runs.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Food-Manufacturing Devices (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Nonmetal Cutting Devices (AREA)
  • Dry Shavers And Clippers (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
EP89116633A 1988-10-03 1989-09-08 Messer zum Schneiden von Gut in Scheiben Expired - Lifetime EP0362573B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3833596 1988-10-03
DE3833596A DE3833596A1 (de) 1988-10-03 1988-10-03 Messer zum schneiden von gut in scheiben

Publications (3)

Publication Number Publication Date
EP0362573A2 EP0362573A2 (de) 1990-04-11
EP0362573A3 EP0362573A3 (de) 1991-03-27
EP0362573B1 true EP0362573B1 (de) 1994-04-13

Family

ID=6364282

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89116633A Expired - Lifetime EP0362573B1 (de) 1988-10-03 1989-09-08 Messer zum Schneiden von Gut in Scheiben

Country Status (3)

Country Link
EP (1) EP0362573B1 (enrdf_load_stackoverflow)
DE (2) DE3833596A1 (enrdf_load_stackoverflow)
ES (1) ES2051333T3 (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2661634B1 (fr) * 1990-05-04 1993-03-12 Jacques Yvon Couteau destine a trancher les longes de porc en cotelettes.
DE4142937C1 (enrdf_load_stackoverflow) * 1991-12-24 1992-12-24 Uwe 5232 Flammersfeld De Reifenhaeuser
DE19514407A1 (de) * 1995-04-19 1996-10-24 Biforce Anstalt Vorrichtung zum scheibenförmigen Aufschneiden von Lebensmittelprodukten mittels eines Sichelmessers
DE20016532U1 (de) * 2000-09-25 2002-02-14 CFS GmbH Kempten, 87437 Kempten Schneidmesser
DE102015202199A1 (de) * 2015-02-06 2016-08-25 BSH Hausgeräte GmbH Schneidscheibe
CN110228086B (zh) * 2019-07-05 2023-11-24 李道临 一种蔬菜切丝机

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE148592C (enrdf_load_stackoverflow) *
US1957623A (en) * 1931-11-21 1934-05-08 Ind Patents Corp Slicing machine
DE2129539C3 (de) * 1971-06-15 1973-11-15 Ernst 6102 Pfungstadt Schertler Messer fur Fleischkutter
US3910143A (en) * 1973-08-31 1975-10-07 Itt Adjustable slicing apparatus
US4043238A (en) * 1976-04-21 1977-08-23 Sanders Associates, Inc. Cable cutter
DE3635572C1 (en) * 1986-10-20 1988-02-25 Toni Reifenhaeuser Knife for processing a rod of meat

Also Published As

Publication number Publication date
DE58907450D1 (de) 1994-05-19
DE3833596C2 (enrdf_load_stackoverflow) 1990-07-12
EP0362573A2 (de) 1990-04-11
EP0362573A3 (de) 1991-03-27
DE3833596A1 (de) 1990-04-05
ES2051333T3 (es) 1994-06-16

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