EP0732179B1 - Verfahren zum Schneiden von mit Verstärkungseinlagen versehenen Bändern sowie Schneidvorrichtung für derartige Bänder - Google Patents

Verfahren zum Schneiden von mit Verstärkungseinlagen versehenen Bändern sowie Schneidvorrichtung für derartige Bänder Download PDF

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Publication number
EP0732179B1
EP0732179B1 EP96102886A EP96102886A EP0732179B1 EP 0732179 B1 EP0732179 B1 EP 0732179B1 EP 96102886 A EP96102886 A EP 96102886A EP 96102886 A EP96102886 A EP 96102886A EP 0732179 B1 EP0732179 B1 EP 0732179B1
Authority
EP
European Patent Office
Prior art keywords
cutting
belt
blade
carriage
cutting device
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
EP96102886A
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German (de)
English (en)
French (fr)
Other versions
EP0732179A1 (de
Inventor
Etienne Ehkirch
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.)
Wagener Schwelm GmbH and Co
Original Assignee
Wagener Schwelm GmbH and Co
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 Wagener Schwelm GmbH and Co filed Critical Wagener Schwelm GmbH and Co
Publication of EP0732179A1 publication Critical patent/EP0732179A1/de
Application granted granted Critical
Publication of EP0732179B1 publication Critical patent/EP0732179B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • B26D1/04—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 linearly-movable cutting member
    • B26D1/045—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 linearly-movable cutting member 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
    • B26D7/084—Means for treating work or cutting member to facilitate cutting specially adapted for cutting articles composed of at least two different materials, e.g. using cutters of different shapes

Definitions

  • the invention relates to a method for cutting with reinforcing inserts provided belts, in particular for cutting conveyor belts made of a reinforced elastomer, in which the band is between two clamping jaws is arranged, and the jaws to perform the cut are pressed against each other with the band in between, and at the same time a knife by means of a drive along the jaws and passed transversely to the longitudinal direction of the tape through the tape material becomes.
  • the invention further relates to a cutting device for Implementation of this method, suitable for conveyor belts from one reinforced with steel Elastomer, with a clamping device made of two arranged transversely to the band and clamping jaws which can be pressed against one another with the interposition of the band, and with one using a drive along the clamp movable knife with at least one cutting edge.
  • a method and a cutting device of the type mentioned are described in the French utility model certificate 2458497.
  • a elastic band which is a fabric with rubber coated Can act through a variety of transverse cuts in individual strips separated, the strips later for the production of Carcass of a tire can be used.
  • the used as raw material For this purpose, the belt is clamped between two clamping jaws that can be pressed against each other and there is then a horizontally movable knife through the Tape material passed through.
  • the belt material lies on a conveyor belt on rubber. To avoid the conveyor belt cut by the knife is located at the bottom of the with two sickle-shaped knives with a rounded one Widening in the manner of a bead.
  • the knife is rigid on one exactly along the top Clamp jaw guided cart attached.
  • the cutting height of the knife is adjusted so that the edge of the tape to be cut during the Cut on the top of the bead and thus in the transition between Bead and sickle-shaped knife edge slides along.
  • the known cutting device can be used to cut tissues and in particular also use rubber-coated fabrics.
  • Conveyor belts and in particular conveyor belts reinforced with steel wires to cut e.g. to transport coal and overburden in Surface and underground construction can be used.
  • the invention has for its object to provide a cutting method with which all types of tapes provided with reinforcing inserts and in particular also tapes provided with steel reinforcements can be severed quickly and with a long service life of the cutting tool used.
  • a cutting device suitable for this purpose is also to be created.
  • the strip material be gripped on both sides by cutting edges of the knife during the cut, which form an acute angle between them and are each straight or convexly curved towards the strip.
  • the knife is preferably passed through the band material with a clear vertical play, the knife automatically centering with respect to the reinforcement insert enclosed in the band.
  • a cutting device of the type mentioned at the outset in which the cutting edge is shaped straight or curved convexly towards the strip, a further cutting edge is arranged at an acute angle to the cutting edge, and the strip is between the two cutting edges during the cut located.
  • both cutting edges are located the cutting device on the knife.
  • the two cutting edges be designed symmetrically to each other, whereby they together the in form about a V-shaped cutting notch.
  • This shape of the cutting notch leads to that the knife automatically with respect to that enclosed in the tape Reinforced insert centered.
  • the highest cutting force is concentrated therefore precisely where the highest material resistance has to be overcome in the area of the reinforcement to be cut.
  • the knife can go in the direction perpendicular to the flat sides of the tape have a clear play, whereas the knife is in the longitudinal direction of the belt should behave essentially rigidly.
  • the knife along one the clamping device reciprocating carriage is arranged.
  • the knife may be rigidly attached to the cart, in which case the cart with clear vertical play on one of the two jaws of the clamping device is led.
  • the jaw can be used to prevent the knife from moving sideways be provided with a longitudinal slot through which the knife passes is. In this case the lateral guidance of the knife can be done entirely or partially through the longitudinal slot.
  • the implementation of the The cutting method used a fixed substructure 1, on the outer ends of two trestles 2 are arranged. Opposite each other are two horizontal U-profiles 8 arranged, as shown in Fig. 4, one Form the upper jaw 10 forming a cavity, the two profiles of this jaw 10 are firmly connected by bracket 9.
  • a movable frame 1 ' is mounted so that it is vertical on the base 1 can slide.
  • the movable frame contains a pair of horizontal U-profiles 3, which are arranged opposite each other, and in this way a lower one form troughed jaw 13.
  • Two pairs of vertical supports 4 are close to the Ends of this lower jaw 13 arranged, and by a front Traverse 5 connected.
  • two horizontal longitudinal beams 6 are provided, between which a plurality of rollers 7 arranged parallel to one another are mounted are in this way a horizontal wing for the to be cut Band to form.
  • the vertical supports 4 are in pairs connected by a strut 4 '.
  • Each strut 4 ' is doubled by one acting cylinder 12, the shaft with one of the bracket 9th is connected, which is attached to the upper jaws 10 and itself located between the carriers 4.
  • the cylinders 12 are hydraulic or pneumatically operated. You can work synchronously to the lower one movable jaw 13 to raise or lower, so that the upper fixed jaw 10 remains parallel.
  • Offset guide elements 15 are between the fixed profiles 8 and the vertically movable beams 4th intended. These elements can have guides on the Drawing are not shown.
  • the upper flanges 14 of the profiles 3 form the clamping surfaces of the lower ones Jaw 13 and are almost at the same level the surface of the Rollers 7. As FIG. 5 shows, the flanges 14 are separated by a slot 16, through which a knife 17 can slide.
  • the lower flanges 18 of the Profiles 8 form the clamping surface of the upper jaw 10 and are also separated by a slot 19, which allows the passage of the knife 17.
  • the two profiles 8, which form the upper fixed jaw 10, contain the Cutting means consisting of a carriage with the knife 17 and a Drive 21 by means of a chain which runs over two sprockets 22, 23 which are mounted at the ends of the profiles 8.
  • the sprocket 22 is through one electric gear motor 24 driven.
  • the other sprocket 23 is on a chain tensioner 25 is mounted, in the vicinity of which each profile 8 a has lateral opening 26, which the assembly and disassembly of the knife 17 relieved on the carriage 20.
  • a removable housing 27, above the lower jaw 13 arranged, protects the knife 17 in this Zone.
  • Another housing 28 protects the one used to drive the carriage 20 Chain.
  • the carriage 20 is shown, which essentially consists of there are two side plates 30, between which the knife 17 is located.
  • the ends of the chain are attached to the ends of the two plates 30.
  • each ball bearing 33 serving as rollers, the carriage is inside the Profile 8 led.
  • the outer diameter of each ball bearing is smaller than the clear height inside the profile 8 to a vertical play 34 of Obtain carriage 20 and knife 17 and self-centering of the knife 17 to allow on the tape to be cut, as will be described later becomes.
  • the plates 30 and the knife 17 are horizontal Connected screws that pass through holes.
  • each end of the knife 17 has a cutting notch is provided, which has approximately V-shape in the longitudinal profile, which two has just opposite parties 36 and 37, of which one to the other is symmetrical with respect to the horizontal center line 38.
  • Each V-shaped cutting edge ends in a central concave section 39.
  • the knife 17 is preferably made of high-speed steel, which means a laser is cut out.
  • the treatment of the cutting notch and the Cutting angle depends on the product to be cut. Generally is the sharpening is low in order not to make the cutting notch too sensitive. This construction makes it possible to produce a relatively thin knife 17 which Cut rubber or metal reinforcements and other material can, which is embedded in the rubber.
  • the symmetrical arrangement of the two cutting sections 36 and 37 of the knife creates one Self-centering of the knife 17 with respect to the element to be cut, which is held between the two jaws 10.13. in the in the present case it is the vertical play of the carriage 20 in the upper one Clamping jaw 10, which allows self-centering.
  • the game can also be achieved by moving the knife 17 on the carriage 20 is mounted. During the cut, the knife 17 becomes transverse to the belt and through the slots 16 and 19 which are between the two upper and lower jaws 10.13.
  • the knife 17 has two pairs of cutting sections 36, 37 allows if necessary, cuts alternately in one and then in the other Direction. But even in cases where an alternate cut is not This knife type may be of interest because it is intended If one cutting notch suffices, the working direction reverse and switch to the other notch.
  • FIGs 7 and 8 represent a variant compared to Figures 1 to 6 the knife guide to cut especially thick strips that are very strong steel cables are reinforced.
  • the knife 50 is the essential element a carriage 51, the upper jaw 10 having an axis 52 with two contains ball-bearing plain bearings 53. One sits in the lower jaw 13 Axis 54 with two ball-bearing plain bearings 55.
  • the knife 50 has one straight shaped cutting edge 50 'which runs obliquely in the cutting direction. It is preferably made of high-speed steel.
  • the flanges 14 of the lower one Clamping jaws 13 can be provided with fixed blades 56, which are also are made of cutting steel.
  • the blade 56 consists of two cutting edges 56 'on both sides of the slot 16 of the lower jaw 13.
  • Knife 50 As soon as that Knife 50 encounters resistance during the cut, it becomes in one Position held in which the slide bearing 53 of the carriage 51 against the upper Press the flanges of the profiles 8, with the plain bearings 55 against the back the flanges 14 of the profiles 3 are pressed. In this position she practices Cutting notch 50 'exerts a force on the strip to be cut, part of which focuses on the lower jaw 13 and tries the inner ropes of the band to be cut between the cutting edge 50 'of the knife 50 and to squeeze the cutting edges 56 'of the blades 56.
  • the knife 50 contains a notch of the type that a V-shaped cutting notch corresponding to that described above Embodiment arises.
  • control box 40 which i.a. the electrical Control unit and the power supply for the geared motor 24 contains as well as the electrohydraulic or electropneumatic units for Actuation of the cylinders 12.
  • Fig. 3 the band 41 to be cut is shown, which is e.g. around a rubber conveyor belt reinforced by wires or metal cables 42, which must be cut transversely according to a cutting line 43.
  • the belt 41 placed on the rollers 7 can be operated manually by an operator be pushed between the jaws 10 and 13 before that Cutting process begins. It is possible in this way, an old, worn one Quickly shred conveyor belt into easy-to-use pieces.
  • the jaws 10, 13 After the tape 41 is in the correct position of the desired cutting line 43 located between the jaws 10, 13 are first by actuation the cylinder 12, the jaws 10, 13 pressed against each other. Then begins the movement of the drive that begins one end of the jaws 10, 13 located knife 17. Since the two Cutting edges of the knife are arranged at an acute angle to one another, is the band 41 during the cut between these two Cutting edges, i.e. the knife 17 centers itself with respect to the Band 41. The band material is on both sides of the cutting edges of the knife 17 detected, so that a symmetrical and particularly powerful Cut is made, which also easily cuts through metal reinforcements.
  • FIGS. 9 to 12 show a further embodiment of the cutting device shown.
  • the jaws 10, 13 are at one end over a Swivel joint 60 connected.
  • the cutting device including the jaws 10, 13 open the end 61 facing away from the swivel 60 completely.
  • the piston rod 62 of the arranged there Cylinder 12 after loosening a locking bolt 63 from the lower jaw 13 separated.
  • the lower jaw 13 can be pivoted lower around hinge 60 with respect to upper jaw 10, and insert or run the tape 41 laterally.
  • This is with repair measures on endless conveyor belts that are not on the front side of the cutting device Let it slide in, a particular advantage.
  • the clamping device, on which the swivel joint 60 is also located is a fixed stop 64 which can be swiveled in between the two clamping jaws 10, 13, with which the maximum opening angle of the jaws 10, 13 limit.
  • Carrying eyelets 65 on the top of the cutting device allow this to be lifted to the desired location using a crane, and if necessary, make cuts in a raised position. Instead of Carrying eyelets 65 or, in addition, guides for the tines a forklift or another conveyor.
  • each of the two Clamping jaws 10, 13 made of two carriers arranged in parallel in the form of a Double.
  • the upper pair of supports forms the upper jaw 10, the lower one Carrier pair the lower jaw 13.
  • the distance between the carriers is so small that the remaining longitudinal slots 16, 19th just enough for the passage of the knife 17.
  • the guidance of the knife 17 takes place in this way predominantly through the edges of these longitudinal slots 16, 19. This guide is so scarce that the knife 17 in the longitudinal direction of the tape behaves essentially rigid.
  • FIG. 12 composed of an upper game 34 'and a lower game 34' '.
  • the Upper game 34 ' exists between support rollers 67 in the area of the upper long side of the carriage 20 and guide surfaces 68 of the carriage arranged there receiving jaw 10.
  • the lower game 34 "exists between the bottom 69 of the carriage 20 and the flange 18 there of the jaw 10.
  • the drive 21 in the form of the chain is close by a bolt 69 ' the bottom 69 of the carriage 20 attached to force transmission near the Knife 17 to reach.
  • the knife 17 instead of a sharpening of the knife 17 itself, it is also possible for the knife to be designed as a base body, in which suitable cutting inserts are then used e.g. Cutting inserts made of Widia steel or ceramic. In In this case, the knife cannot be dismantled after the knife becomes blunt Knife or even the carriage required. Rather, only that Cutting inserts are exchanged.
  • suitable cutting inserts e.g. Cutting inserts made of Widia steel or ceramic.
  • Appropriate bending line compensation can be provided to achieve length be, e.g. B. by a precisely determined, convex pre-bending of both Jaws 10, 13 to each other.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Nonmetal Cutting Devices (AREA)
  • Tyre Moulding (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Details Of Cutting Devices (AREA)
  • Treatment Of Fiber Materials (AREA)
EP96102886A 1995-03-15 1996-02-27 Verfahren zum Schneiden von mit Verstärkungseinlagen versehenen Bändern sowie Schneidvorrichtung für derartige Bänder Expired - Lifetime EP0732179B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9503176A FR2731645B1 (fr) 1995-03-15 1995-03-15 Appareil pour couper un element plat flexible, notamment une bande transporteuse
FR9503176 1995-03-15

Publications (2)

Publication Number Publication Date
EP0732179A1 EP0732179A1 (de) 1996-09-18
EP0732179B1 true EP0732179B1 (de) 1999-07-28

Family

ID=9477173

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96102886A Expired - Lifetime EP0732179B1 (de) 1995-03-15 1996-02-27 Verfahren zum Schneiden von mit Verstärkungseinlagen versehenen Bändern sowie Schneidvorrichtung für derartige Bänder

Country Status (11)

Country Link
EP (1) EP0732179B1 (es)
CN (1) CN1141228A (es)
CA (1) CA2171799A1 (es)
CZ (1) CZ288169B6 (es)
DE (1) DE59602509D1 (es)
ES (1) ES2136334T3 (es)
FR (1) FR2731645B1 (es)
GR (1) GR3031676T3 (es)
PL (1) PL180263B1 (es)
RU (1) RU2159177C2 (es)
ZA (1) ZA962086B (es)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103737951A (zh) * 2013-12-26 2014-04-23 桂林橡胶机械厂 止水带反包调节装置

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3233459B1 (en) * 2014-12-17 2021-08-04 Pirelli Tyre S.p.A. Process and apparatus for building tyres for vehicle wheels
CN109049776B (zh) * 2016-08-31 2020-11-03 马鞍山锐生工贸有限公司 一种传送带生产系统
CN109080182B (zh) * 2016-08-31 2020-09-15 马鞍山锐生工贸有限公司 一种高效的橡胶v带加工方法
CN109866260B (zh) * 2019-03-11 2023-08-29 宇恒电池股份有限公司 裁膜机
CN114131676B (zh) * 2022-01-29 2022-04-12 胜利油田长龙橡塑有限责任公司 一种抽油机三角带生产用自动切割装置
CN118003106A (zh) * 2024-04-09 2024-05-10 山西晶沃新材料科技有限公司 一种连续型保温板送料结构及切割机

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE927315C (de) * 1948-10-02 1955-05-05 Curt Matthaei Schneidevorrichtung fuer Foerderbaender u. dgl.
DE819802C (de) * 1950-09-07 1951-11-05 Hans Ziller Vorrichtung zum Durchschneiden von Foerderbaendern, Treibriemen o. dgl.
DE834951C (de) * 1950-12-09 1952-03-27 Matthias Schlebusch Querschneidevorrichtung
GB839441A (en) * 1958-10-28 1960-06-29 Ernest Arthur Timson Improved means for cutting webs of paper or the like
FR1361430A (fr) * 1963-03-29 1964-05-22 Cerclage Pierre Brunon Appareil pour dérouler et couper le papier en rouleau
FR2098592A5 (es) * 1970-07-21 1972-03-10 Lagain Georges
FR2458497A3 (fr) * 1979-06-05 1981-01-02 Kt Dispositif pour la coupe d'un materiau elastique se presentant sous forme d'une bande
US4329896A (en) * 1980-04-09 1982-05-18 Karl Singer Slitter for severing laminated objects
WO1989012532A1 (en) * 1988-06-24 1989-12-28 Hot Roller Laminating Co. (Melb.) Pty. Ltd. Cutter devices
DE4125917A1 (de) * 1991-08-05 1993-02-11 Stork Gmbh Regelungstechnik Un Schneidevorrichtung fuer flexoplatten

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103737951A (zh) * 2013-12-26 2014-04-23 桂林橡胶机械厂 止水带反包调节装置

Also Published As

Publication number Publication date
ES2136334T3 (es) 1999-11-16
EP0732179A1 (de) 1996-09-18
GR3031676T3 (en) 2000-02-29
PL180263B1 (en) 2001-01-31
ZA962086B (en) 1996-11-27
PL313206A1 (en) 1996-09-16
FR2731645A1 (fr) 1996-09-20
CN1141228A (zh) 1997-01-29
CA2171799A1 (en) 1996-09-16
CZ288169B6 (en) 2001-05-16
CZ61596A3 (en) 1996-10-16
DE59602509D1 (de) 1999-09-02
AU4805596A (en) 1996-09-26
FR2731645B1 (fr) 1997-05-23
RU2159177C2 (ru) 2000-11-20
AU688669B2 (en) 1998-03-12

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