EP2879846A1 - Zylindervorrichtung zum bearbeiten von materialbahnen mit mischeinrichtung zur vermischung eines temperierfluids - Google Patents
Zylindervorrichtung zum bearbeiten von materialbahnen mit mischeinrichtung zur vermischung eines temperierfluidsInfo
- Publication number
- EP2879846A1 EP2879846A1 EP12741005.8A EP12741005A EP2879846A1 EP 2879846 A1 EP2879846 A1 EP 2879846A1 EP 12741005 A EP12741005 A EP 12741005A EP 2879846 A1 EP2879846 A1 EP 2879846A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cylinder
- mixing
- chamber
- space
- cutting
- 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.)
- Granted
Links
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
- B26D1/56—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 travels with the work otherwise than in the direction of the cut, i.e. flying cutter
- B26D1/62—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 travels with the work otherwise than in the direction of the cut, i.e. flying cutter and is rotating about an axis parallel to the line of cut, e.g. mounted on a rotary cylinder
- B26D1/626—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 travels with the work otherwise than in the direction of the cut, i.e. flying cutter and is rotating about an axis parallel to the line of cut, e.g. mounted on a rotary cylinder for thin material, e.g. for sheets, strips 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
- B26D7/08—Means for treating work or cutting member to facilitate cutting
- B26D7/10—Means for treating work or cutting member to facilitate cutting by heating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/38—Cutting-out; Stamping-out
- B26F1/384—Cutting-out; Stamping-out using rotating drums
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
- D21G1/00—Calenders; Smoothing apparatus
- D21G1/02—Rolls; Their bearings
- D21G1/0253—Heating or cooling the rolls; Regulating the temperature
- D21G1/0266—Heating or cooling the rolls; Regulating the temperature using a heat-transfer fluid
Definitions
- the invention relates to a cylinder device for processing webs of material according to the preamble of claim 1.
- the cylinder device finds application in all rotary tools, such as e.g. Cutting, scoring or embossing tools, each having two cylinders that rotate in opposite directions.
- a rotary cutting device which has a cutting cylinder and a counter-cylinder, which are mounted with their shaft journals in a machine frame.
- a biasing device is the
- a cylinder device for processing material webs which comprises at least one rotatably mounted cylinder, which has a cylindrical base body.
- a cylinder space is formed concentrically to the cylinder axis, in which a mixing device is provided for mixing a tempering fluid.
- DE 40 16 823 A1 and DE 1 775 394 A each describe a cylinder device in which the mixing device is formed by a helical device arranged concentrically around the cylinder axis, which rests against the wall surface of the cylinder chamber.
- the helical device moreover has a section with a first gear direction in a cylinder chamber half and a section with an opposite second gear direction in the other cylinder chamber half, wherein the gear directions are selected such that the timing is selected. Rierfluid is transported in rotation of the cylinder in the direction of the cylinder chamber center.
- the invention has for its object to provide a cylinder device whose cylinder is uniformly tempered to increase the quality of processing.
- a cylinder space formed concentrically with the cylinder axis is provided in the main body of the cylinder, in which a mixing device for mixing a tempering fluid is arranged in the cylinder space.
- a respective extending in the longitudinal direction of the cylinder axis intake passage is provided, which opens with one end in the corresponding end face of the cylinder chamber.
- the intake passage is adjacent to the cylinder space facing away from the other end connected to one end of a plurality of flow channels, the other end radially outwardly of the intake passage, preferably adjacent to the wall surface of the cylinder chamber, opens into the cylinder chamber.
- the intake passage is cylindrical or tapered in the direction of its end facing away from the cylinder space and is arranged concentrically to the cylinder axis.
- the mixing device is a helically arranged concentrically about the cylinder axis coil means which is formed either by a voltage applied to the wall surface of the cylinder space coil or by a helical groove in the wall surface of the cylinder chamber.
- the helical device has a section with a first gear direction in one cylinder chamber half and a section with an opposite second gear direction in the other cylinder chamber half, wherein the gear directions are selected so that the temperature control fluid is transported in the direction of the cylinder chamber center upon rotation of the cylinder ,
- the flow channels preferably extend - as seen in the axial direction - substantially tangential to the Ansaugkanai.
- the other end of the corresponding intake passage is disposed adjacent to the respective journal of the cylinder.
- the filling quantity is dependent on the rotational speed of the cylinder in use and the shape of the intake passage.
- the optimal filling quantity can be determined by tests.
- a suitable tempering fluid is a glycol-water mixture whose viscosity is constant in the temperature ranges used, which provides corrosion protection and preferably does not freeze to -50 ° C.
- other tempering fluids such as e.g. various oils or similar substances are used, which fulfill the above-mentioned properties.
- the cylinder device according to the invention is preferably used in a cutting tool which comprises a cutting cylinder and a counter cutting cylinder or also two cutting cylinders (dual knife cut), wherein both cylinders can be designed according to claims 1 to 10.
- the material to be cut is, for example, a paper or cardboard-like base material which is coated with metallic layers or plastic layers and used for gas- and liquid-tight packaging.
- Other fields of application are cigarette pack blanks, beverage packaging or other blanks for folded boxes.
- FIG. 1 shows a longitudinal section through two cylinders of a cutting tool
- Figure 2 shows a cross section through the cylinder of the cutting tool of Figure 1
- Figure 3 shows a further variant of a cutting cylinder.
- the cutting tool 10 shown in Figure 1 has a cutting cylinder 12 and a counter-cylinder 14, which differ in that a plurality of cutting elements 13 are arranged on the outer circumference of the cutting cylinder 12, whereas the outer periphery of the counter-cutting cylinder 14 is smooth. For this reason, the features essential to the invention will be described only with reference to the cutting cylinder 12.
- the cutting cylinder 12 has a cylindrical base body 15, from the two end faces of a cylindrical projection 16 concentrically extending, on each of which a race 20 is mounted, which is in contact with a race 22, which is arranged on a corresponding cylindrical portion of the counter-cylinder 14 ,
- a race 20 is mounted, which is in contact with a race 22, which is arranged on a corresponding cylindrical portion of the counter-cylinder 14 .
- a cylinder chamber 17 is formed concentrically with the cylinder axis.
- a helical device 26 is arranged, which has two spiral sections 28, 30, which are arranged in the left half of the cylinder space or right cylinder space half in Figure 1 and abut each other in the middle of the cylinder chamber.
- the outer diameter of the helical sections 28, 30 corresponds to the diameter of the cylinder chamber 17, so that the helical sections 28, 30 have no radial clearance to the wall 21 of the cylinder chamber 17.
- From the end faces 19 of the cylinder chamber 17 each have an intake passage 32 concentric with the cylinder axis to the outside.
- the intake passage 32 opens at one end into the cylinder chamber 17.
- the other end of the intake passage 32 is disposed in the region of the cylinder portion 16 adjacent to the bearing pin 18. Adjacent to this other end of the intake passage 32, a plurality of flow channels 34 open at a uniform circumferential distance in the Wandfiambae of the intake passage 32, wherein in Fig. 1 and 2, only four are shown.
- the flow channels 32 are rectilinear and open at their other end in the end face of the cylinder chamber 17 adjacent to the wall surface 21.
- the flow channels 34 extend - seen in the axial direction - substantially tangential to the outer periphery of the corresponding Intake passage 32 and that of the intake passage 32 from opposite to the direction of rotation, which is indicated by the arrow.
- the cylinder space 17 is provided with a tempering fluid 24, e.g. filled with a glycol-water mixture.
- the tempering fluid 24 can be filled through a bore, not shown, on the Zyfinderstirnseite, which is then clogged.
- the cylinder space 17 is at least halfway, i. filled with tempering fluid 24 up to the cylinder axis.
- Temperingfluid 24 also flows into the intake ports 32 a.
- the tempering fluid 24 flows into the flow channels 34, which are located below the cylinder axis.
- the tempering fluid 24 is thrown in the flow channels 34 to the outside. This creates a negative pressure, the further tempering fluid 24 sucks from the intake ports 32.
- This effect is further enhanced by utilizing the inertia of the tempering 24.
- the tempering fluid 24, which exits at the end of the flow channels 34 on the end face 19 of the cylinder chamber, is transported through the respective helical section 28, 30 in the direction of the cylinder center. Because the tempering fluid 24 is conveyed from both sides to the center of the cylinder, a minimum overpressure forms in the center of the cylinder.
- part of the tempering fluid 24 is also carried along by the wall 21 of the cylinder 12, 14 depending on the viscosity and the respective surface tension. This part of the tempering 24 increases with increasing speed, so that the effective fluid level in the cylinder drops, so that from a certain speed, the fluid level is no longer sufficient to flow into the intake ports 32 can. It would then create a momentum flow that could stimulate the tool to vibrate.
- the level depends on the desired Endfitzahi, but at least 30% and a maximum of 90%. It is preferably between 50% and 75% of the volume of the cylinder chamber 17.
- the wall thickness between the outer circumference of the base body 15 and the cylinder chamber 17 is preferably greater than 80 mm.
- the inner diameter of the cylinder chamber 17 is depending on the application preferably between 80 and 160 mm.
- the material of the cylinders is due to the high load and at least low corrosion resistance an alloyed tempering steel.
- the base body 15 is preferably cylindrical. However, it may also have other shapes, wherein it is necessary that the outer envelope of the cutting elements is cylindrical.
- the intake passage 32 is arranged cylindrical and concentric with the cylinder axis.
- the reference numeral 40 another variant of a cutting cylinder is shown, in which the intake passage 42 tapers conically in the direction of the cylinder chamber 17 facing away from the end. But he can also use a polygonal or other transverse have cut. It is also possible to arrange the intake passage 17 slightly eccentric to the cylinder axis, as long as it runs substantially in the longitudinal direction of the cylinder axis. However, this increases the risk of imbalance.
- the Strömungskanäie 47 each have a first straight channel portion 47 which is adjacent to the cylinder chamber 17 opposite end of the connection channel 42 connected thereto and like the Strömungskanäie 34 in Fig. 1 and 2 tangentially to Connecting passage 42 extends, but is connected in the area within the corresponding race 20 with one end of a second straight channel portion 46 which opens with its other end in the end face of the cylinder chamber 17 adjacent to the wall surface 21. This may be appropriate for reasons of better temperature distribution.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
Description
Claims
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/EP2012/065057 WO2014019619A1 (de) | 2012-08-01 | 2012-08-01 | Zylindervorrichtung zum bearbeiten von materialbahnen mit mischeinrichtung zur vermischung eines temperierfluids |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2879846A1 true EP2879846A1 (de) | 2015-06-10 |
| EP2879846B1 EP2879846B1 (de) | 2017-04-05 |
Family
ID=46598550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP12741005.8A Not-in-force EP2879846B1 (de) | 2012-08-01 | 2012-08-01 | Zylindervorrichtung zum bearbeiten von materialbahnen mit mischeinrichtung zur vermischung eines temperierfluids |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP2879846B1 (de) |
| WO (1) | WO2014019619A1 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL2016534B1 (en) | 2016-04-01 | 2017-10-12 | Vmi Holland Bv | Apparatus and method for converting a sheet into a continuous strip. |
| CN110541233A (zh) * | 2019-09-12 | 2019-12-06 | 俞乃坤 | 一种纺织机械断线器 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1775394A1 (de) | 1968-08-06 | 1971-07-08 | Kalle Ag | Heiz- oder kuehlbare Walze |
| DE4016823C2 (de) | 1990-05-25 | 1995-02-02 | Kuesters Eduard Maschf | Beheizbare Walze, insbesondere Kalanderwalze |
| DE4317875A1 (de) * | 1993-05-28 | 1993-10-14 | Voith Gmbh J M | Hohler Walzenkörper zur Verwendung in einer Papiermaschine oder dergleichen |
| FI112515B (fi) * | 1999-12-09 | 2003-12-15 | Metso Paper Inc | Termotela |
| FI108252B (fi) | 2000-10-05 | 2001-12-14 | Metso Paper Inc | Menetelmä ja laite paikallisten lämpökuormien tasaamiseksi |
| FI109137B (fi) * | 2000-12-29 | 2002-05-31 | Metso Powdermet Oy | Menetelmä paperi- tai kartonkikoneen tai jälkikäsittelykoneen telan telapäädyn valmistamiseksi ja tela, etenkin kuumennettava tela |
| DE102007016451A1 (de) | 2007-03-30 | 2008-10-02 | Wilhelm Aichele | Rotationsschneidevorrichtung |
-
2012
- 2012-08-01 EP EP12741005.8A patent/EP2879846B1/de not_active Not-in-force
- 2012-08-01 WO PCT/EP2012/065057 patent/WO2014019619A1/de not_active Ceased
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2014019619A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2879846B1 (de) | 2017-04-05 |
| WO2014019619A1 (de) | 2014-02-06 |
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