EP1651398A1 - Balai rotatif - Google Patents

Balai rotatif

Info

Publication number
EP1651398A1
EP1651398A1 EP05745728A EP05745728A EP1651398A1 EP 1651398 A1 EP1651398 A1 EP 1651398A1 EP 05745728 A EP05745728 A EP 05745728A EP 05745728 A EP05745728 A EP 05745728A EP 1651398 A1 EP1651398 A1 EP 1651398A1
Authority
EP
European Patent Office
Prior art keywords
shells
cutting device
shell
roller
core
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
Application number
EP05745728A
Other languages
German (de)
English (en)
Other versions
EP1651398B1 (fr
Inventor
Karl Ruhland
Karl Waldeck
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.)
BHS Corrugated Maschinen und Anlagenbau GmbH
Original Assignee
BHS Corrugated Maschinen und Anlagenbau GmbH
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 BHS Corrugated Maschinen und Anlagenbau GmbH filed Critical BHS Corrugated Maschinen und Anlagenbau GmbH
Publication of EP1651398A1 publication Critical patent/EP1651398A1/fr
Application granted granted Critical
Publication of EP1651398B1 publication Critical patent/EP1651398B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/20—Cutting beds
    • 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
    • B26D1/22—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 coacting with a movable member, e.g. a roller
    • B26D1/225—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 coacting with a movable member, e.g. a roller for thin material, e.g. for sheets, strips or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H27/00—Special constructions, e.g. surface features, of feed or guide rollers for webs
    • 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
    • B26D2001/0033—Cutting members therefor assembled from multiple blades
    • 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
    • B26D7/20—Cutting beds
    • B26D2007/202—Rollers or cylinders being pivoted during operation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2402/00—Constructional details of the handling apparatus
    • B65H2402/50—Machine elements
    • B65H2402/51—Joints, e.g. riveted or magnetic joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/10—Rollers
    • B65H2404/11—Details of cross-section or profile
    • B65H2404/115—Details of cross-section or profile other
    • B65H2404/1151—Details of cross-section or profile other brush
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/50—Surface of the elements in contact with the forwarded or guided material
    • B65H2404/56—Flexible surface
    • B65H2404/561—Bristles, brushes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/465—Cutting motion of tool has component in direction of moving work
    • Y10T83/4766—Orbital motion of cutting blade
    • Y10T83/4795—Rotary tool
    • Y10T83/483—With cooperating rotary cutter or backup
    • Y10T83/4838—With anvil backup
    • Y10T83/4841—With resilient anvil surface
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/929—Tool or tool with support
    • Y10T83/9309—Anvil
    • Y10T83/9312—Rotatable type
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/929—Tool or tool with support
    • Y10T83/9457—Joint or connection
    • Y10T83/9464—For rotary tool

Definitions

  • the invention relates to a cutting device for producing cuts and / or slits in corrugated cardboard webs and to a shell which is part of a corresponding cutting device.
  • Corrugated webs are produced in corrugated cardboard plants and then cut to size. Among other things, longitudinal cuts are generated at predetermined positions. From EP 443 396 B1 it is known to arrange the driven circular knives on one side of a corrugated cardboard web in a longitudinal cutting device. On the opposite side there is a brush roller that supports the corrugated cardboard during the longitudinal cut and into which the circular knife can plunge at the same time. When the longitudinal cuts are produced, the bristles of the brush roller wear out, so that the entire brush roller must be replaced at regular intervals. This is time consuming and costly.
  • the invention has for its object to provide a simplified cutting device for corrugated webs.
  • the essence of the invention consists in forming the brush roller in a cutting device from a cylindrical, rotatably mounted roller core, which is surrounded by shells with a partial circle cross section, in particular half shells.
  • the shells have bristles on the outside.
  • Means are provided on the inside to connect the shells to the roller core in a rotationally fixed manner.
  • the shells also have means for attaching the shells to the roll core. This can be done by the fact that the shells are connected to one another or fixed on the roller core.
  • FIG. 1 shows a cross section of a cutting device according to the invention in accordance with a first exemplary embodiment
  • FIG. 3 shows a section of the cross section according to FIG. 2,
  • FIG. 4 is a cross-sectional view rotated by 90 ° according to section line IV-IV in FIG. 3,
  • FIG. 5 is an exploded view of a brush roller according to FIG. 2 without brushes
  • FIG. 6 a representation corresponding to FIG. 4 of a brush roller according to a second exemplary embodiment
  • FIG. 7 a representation corresponding to FIG. 5 of the brush roller according to the second embodiment
  • 8 is an enlarged detail of a top view of a brush roller according to a third embodiment
  • FIG. 9 shows a cross section of a brush roller according to a fourth exemplary embodiment
  • FIG. 12 shows an enlarged detail of the bristles of the brush roller according to FIG. 11, and
  • FIG. 13 is an exploded view of a brush roller according to a fifth embodiment
  • FIGS. 13 and 14 shows a longitudinal section of the brush roller according to FIGS. 13 and
  • a corrugated cardboard system has a generally known machine for producing single-sided corrugated cardboard webs, which is described, for example, in EP 0 687 552 A (corresponds to US Pat. No. 5,632,850), DE 195 36 007 A (corresponds to GB 2,305,675 A) or DE 43 05 158 AI is known, which reference is made to the details. It is possible that a cover sheet or one or more single-sided cover sheets and a cover sheet are laminated onto the single-sided corrugated sheet.
  • the units for generating a corresponding, in Fig. 1st Corrugated sheet 1 shown are on the left, that is, upstream of a slitting-creasing station 2 shown in FIG. 1, which is supported against a machine base 3.
  • the corrugated cardboard web 1 is transported along a transport direction 4.
  • the longitudinal cutting / creasing station 2 has four units along the direction 4, namely a first creasing device 5, a second creasing device 6, a first cutting device 7 and a second cutting device 8.
  • devices 5 and 6 are of identical design and comprise upper creasing tools 11 and lower creasing tools 12 which cooperate to creasing the corrugated cardboard.
  • the creasing devices 5 and 6 are known for example from DE 197 54 799 A (corresponds to US 6,071,222) and DE 101 31 833 A.
  • Two creasing devices 5, 6 and two cutting devices 7 and 8 are provided so that when changing the format of the corrugated cardboard sheets to be cut, one device can be moved to the new positions while the other device is still in engagement with the corrugated cardboard. Lane 1 is.
  • Each cutting device 7 or 8 has a brush roller 16 which is arranged above the corrugated cardboard web 1 and is rotatably mounted about a brush roller axis of rotation 15.
  • the brush roller 16 has a roller core 17.
  • the roller core 17 consists of a cylindrical, internally hollow roller core jacket 18 and roller flanges 21 fastened at both ends 19, 20 thereof.
  • the roller flanges 21 have an annular cylindrical projection 22 which projects into the jacket 18 and is connected to the jacket 18.
  • the projection 22 is connected to the outside by a Bottom 23 closed, from which a bearing journal 24 projects outwards in the center.
  • the brush roller 16 is supported on both sides opposite two supports 25, 26 which form a machine frame and which are supported against the base 3, the bearing journals 24 being supported in associated slide bearings 27 in the supports 25 and 26, respectively.
  • the brush roller 16 can be driven in rotation by a motor 28 attached to the carrier 26.
  • the motor 28 is connected to a control unit 30 via a control line 29.
  • a knife shaft 32 which is rotatably mounted about a knife shaft axis of rotation 31.
  • the knife shaft 32 is supported at the end in corresponding slide bearings 33 in the carriers 25 and 26.
  • the axes of rotation 15 and 31 run parallel to one another. In relation to the transport direction 4, the axis of rotation 31 is located slightly downstream from the axis of rotation 15.
  • Numerous disk-shaped circular knives 34 are arranged on the knife shaft 32 so that they rotate together with the knife shaft 32.
  • the circular knives 34 can be displaced on the knife shaft 32 by a generally known, but not shown, displacement unit on the shaft 32.
  • the knife shaft 32 is connected in a torque-transmitting manner to a motor 35 which is fixed in relation to the carrier 26.
  • the motor 35 is connected to the control unit 30 via a control line 36.
  • the shells 37 have the shape of a partial arc in cross section. In the present case it is a semicircular bow, which is why the shells 37 are also referred to as half shells.
  • Two shells 37 belonging to each other collide along two straight parallel columns 58. It is also possible to provide more than two shells, for example three shells each with a center angle of 120 °, over the circumference of the roller core 17.
  • the shells 37 have a base body 57 in the form of a circular cylinder sector with an outside 39 facing outwards and an inside 40 facing the roller core 17.
  • the shells 37 are made of plastic and have essentially the same thickness over the circumference.
  • each bristle bundle 41 consists of individual bristles, not shown in detail.
  • a typical bristle bundle 41 has a cross section of approximately 5.5 mm at its base and widens conically in the radial direction.
  • each individual bristle has a diameter of 0.6 mm.
  • the conical widening of the bristle bundles produces a substantially uniform distribution of bristle tips on the outer surface of the brush roller 16.
  • the bristle bundles 41 are arranged in rows running parallel to the axis of rotation 15, the rows being arranged offset to one another. This can be seen more clearly in FIG. 13.
  • the bristles of the bristle bundles 41 are flexible and consist, for example, of polyamide.
  • the bristle bundle 41 covers the outside 39 flat.
  • the bristle bundle 41 has a length of approximately 20 mm in the present case.
  • other bristle lengths can of course also be used.
  • the shells 37 are shown for simplicity without bristle bundle 41.
  • the term brush roller is used in this application in the broadest sense as any roller which is suitable for supporting the corrugated cardboard web during cutting and into which the circular knife is used for cutting can penetrate.
  • the term brush roller also includes rollers with a soft surface, for example made of rubber.
  • Circular, axially spaced, radially projecting, annular webs 42 are provided on the roll core jacket 18.
  • Corresponding semicircular annular grooves 43 are provided on the inside 40 of the shell 37, into which the webs 42 engage.
  • Two webs 42 are provided for each shell 37.
  • the interlocking engagement of the webs 42 and the annular grooves 43 fixes the shells 37 on the roller core 17 in the axial direction, that is, along the axis of rotation 31.
  • bores 44 which are open to the outside are provided in the roller core 17 and each receive a locking pin 45 which, after insertion into the bore 44 in the radial direction protrudes from the roller core 17.
  • a locking pin 45 is provided for each shell 37.
  • Two locking pins 45 are thus opposite to each other with respect to the axis 15.
  • an inwardly open blind hole 46 is provided, in each of which a locking pin 45 engages and locks the shell 37 in the circumferential direction.
  • the locking pin 45 thus acts as a torque transmission means for transmitting a torque from the roller core 17 to the shells 37.
  • the torque transmission means can also be created by frictional engagement between the roller core 17 and the shells 37. In this case pin 45 would not be required.
  • each shell 37 has slots 47 which are open in the circumferential direction and into which blind holes 48 which run radially from the outside open.
  • the slots 47 are located on the circumferential ends of the shell 37, in the present case thus offset from each other by 180 °.
  • Connection plates 49 with two bores 50 each are provided.
  • a plate 49 is inserted halfway into the slot 47 and fixed by a pin 51 inserted into the blind bore 48 from the outside.
  • the other half of the plate 49 is inserted into the opposite slot 47 of the other shell 37 and is also locked there by a pin 51. As can be seen in FIG.
  • two shells 37 lying opposite one another are connected at both axial ends of the shell 37 and on both sides, so that a total of four plates 49 are required for the connection, as shown in FIG. 5.
  • elastic elements such as springs, can also be used, which ensure that the two shells 37 lying opposite one another and to be connected to one another are prestressed against one another. In this way, there is no play between the two shells 37 even after prolonged operation, since both are pulled towards one another by the spring element.
  • the circular knives 34 are moved to the corresponding transverse positions in one of the two cutting devices 7 and 8 and then immersed in the corrugated cardboard web 1.
  • the circular knife 34 penetrates the corrugated sheet 1, so that a complete cut of the corrugated sheet 1 is guaranteed. So that the corrugated cardboard web 1 does not dodge, it is supported from above by the bristle bundle 41 of the brush roller 16.
  • the bristle bundle 41 is compressed flexibly.
  • the circular knife 34 is immersed about 5 mm into the about 20 mm long bristles.
  • An advantage of supporting the corrugated cardboard web 1 with bristles is that the circular knives 34 can be used to cut at any transverse positions.
  • the transverse positions of the knives 34 are based on the specifications for the corrugated cardboard sheets to be cut.
  • the knives 34 are thus never blocked by a corresponding rigid counterhold. If a format change is to take place, the inactive knives are moved into a new position and immersed in the corrugated cardboard web 1, while the knives that are still active are pulled out of the corrugated cardboard web 1.
  • the interaction of the knives 34 with the bristle bundle 41 causes them to wear and increasingly wear out. After a certain time, the bristles must be replaced.
  • the roller core 17 can remain in the associated bearings 27.
  • the brush jacket 38 consisting of the individual shells 37 is removed by pulling the pins 51, as a result of which opposing shells 37 can be removed from the roller core 17, as is shown in the exploded view in FIG. 5. This can be done for all shells 37. Then new shells 37 with as yet unused bristles are assembled in exactly the opposite way.
  • the webs 42a are not designed to run all the way round, but instead have an interruption 52 on two opposite sides, where no web 42a is arranged.
  • the webs 42a thus consist of two sections 55 and 56 which are not connected to one another and have a central angle of less than 180 °, in particular approximately 170 °.
  • annular groove sections 53 with a central angle of less than 90 ° are provided on the inside 40 of the shell 37a. Between two annular groove sections 53 located on the same circumference there remains a web 54 projecting relative to the bottom of the grooves 53.
  • the interrupted webs 42a engage in the annular groove sections 53.
  • two 180 ° half-shells 37b are provided at a level of the brush roller 16, which completely surround the roller core 17.
  • the bristle bundle 41 protrudes normally radially from the axis 15.
  • two half-shells belonging to one another do not collide along a straight parallel gap 58. Rather, a meandering or serpentine or zigzag gap 58b is provided.
  • the end faces 59, 60 of the two shells 37b which define the gap 58b are designed such that they engage in one another in an alternating or finger-like manner.
  • the bristle bundles 61 and 62 arranged in the area of the end faces 59 and 60 are located in the area of the respective projections 63 and 64 of the end faces 59 and 60.
  • the distance between immediately adjacent bristle bundles 61 and 62 becomes different when the half-shells 37b are joined together
  • Half-shells 37b reduced so that the bristle bundles 61 and 62 cover the gap 58b as well as possible, and thus the most uniform support behavior of the corrugated cardboard web 1 is achieved during the rotation of the brush roller 16.
  • each projection 63 or 64 is assigned its own bristle bundle 61 or 62, which is at least partially located on the projection. This means that the edge of the bristle bundle 61 facing the end face 59 protrudes from the adjacent recesses of the same end face 59.
  • the distance to the two delimiting bristle bundles 62 of the adjacent half-shell can be minimized, with a constant minimum edge distance from the end face 59 can be held so as not to impair the attachment of the bristle bundle 61 in the ground.
  • a fourth exemplary embodiment of the invention is described below with reference to FIGS. 9 to 12.
  • Structurally identical parts are given the same reference numerals as in the first exemplary embodiment, to the description of which reference is hereby made.
  • Structurally different, but functionally similar parts are given the same reference numerals followed by a c.
  • the difference compared to the first exemplary embodiment is that the bristle bundles 61c and 62c, which adjoin the gap 58 between the two half-shells 37c, do not run radially outwards with respect to the axis 15, but at an angle b in the direction of the Gap 58 are inclined.
  • next bristles adjoining the bristle bundles 61c and 62c can also be arranged obliquely in the direction of the gap 58.
  • the inclined arrangement described above can apply to the bristle bundles as a whole and to the individual bristles.
  • the advantage achieved in this way is that, as in the third exemplary embodiment, the gap 58 is better covered and the function of the brush roller 16 is equally good over the circumference at any point.
  • the roller core 17d has radially projecting ring webs 42d which engage in the associated ring grooves 43d in the half-shells 37d and in this way fix the half-shells 37d in the axial direction.
  • the axial edges 67 of the ring grooves 43 d are chamfered in order to facilitate demolding of the plastic part 37 d. In principle, however, it is possible to design the edges 67 to run perpendicular to the axis 15.
  • a corresponding recess formed as an annular groove 68 is provided between two ring webs 42d on the roller core 17d.
  • This has two bores 44d, which are arranged on diametrically opposite sides and into which pins 45d are inserted, for example by press fit or by screw connection.
  • Each half-shell 37d has in its two end faces 59, 60 in the middle a half blind bore hole 46d that is open towards the outside.
  • the half blind bores 46d of two adjacent half-shells 37d enclose the pin 45d in the assembled state.
  • a bore 69 is provided in the middle between two opposite pins 45d, which are at the same axial height, that is to say offset by 90 ° to them.
  • a threaded insert 70 is screwed into this and has an external thread and an internal thread.
  • the threaded insert 70 is a standard component.
  • the threaded insert 70 has domes 71 which project radially outwards and which, after the threaded insert 70 has been screwed in completely, into the bore 69 in rieh device to be driven on the axis 15.
  • the domes 71 destroy part of the internal thread in the bore 69 of the aluminum roller core 17d, as a result of which the threaded insert 70 is permanently fixed in the bore 69.
  • Each half-shell 37d has a continuous bore 72 in the middle between the end faces 59 and 60 and also in the middle in the axial direction.
  • the Bohmng 72 has an internal thread 73, for example of the type M8.
  • the threaded insert 70 has an internal thread 74 of the M12 type. It is essential that the pitch of the internal thread 74 in the threaded insert 70 is greater than the pitch of the thread 73 in the half-shell 73 d.
  • a threaded pin 75 is provided to match the two threads 73, 74, with an outer threaded portion 76 that fits the thread 73 and an inner threaded portion 77 of smaller diameter that fits the inner thread 74.
  • the bristle bundles 41 are inclined towards one another in the region of the gap 58 by an angle b> 0 °. This can also apply to the bristles in the area of the axial end faces 66.
  • the pins 45d are fixed in the associated bores 44d.
  • the set screw 75 with the outer threaded section 76 is then screwed into the bore 72 in a half-shell 37d as far as it will go.
  • the half-shell 37d is then placed on the roller core 18d, the pins 45d engaging with the blind holes 46d which are open on one side and fixing the half-shell 37d in a specific position on the core 18d.
  • the set screw 45 which has an internal hexagon at the outer end, with an associated tool is passed through the bore 72 from the outside. by screwing with the inner threaded portion 77 into the inner thread 74 of the threaded insert 70.
  • the grub screw 75 rotates into the roller core 17d faster than it is unscrewed from the half-shell 37d. As a result, the half-shell 37d is tightened on the roller core 17d.
  • a gap should remain in the area of the two bores 69 and 72 in the radial direction when the half-shell 37d is placed on the roller core 18d. This gap is then closed when screwing in the threaded pin 75.
  • the dismantling of the half-shell 37d is correspondingly simple.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Brushes (AREA)
  • Harvester Elements (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Motor Or Generator Current Collectors (AREA)

Abstract

L'invention concerne un dispositif de coupe comprenant une tige à lame (32), montée de manière à pouvoir tourner au tour d'un axe (31) de rotation de la tige à lame et qui supporte au moins une lame circulaire (34) et un balai rotatif (16) monté de manière à pouvoir tourner autour d'un axe de rotation (15) du balais rotatif et qui est opposé à la tige de la lame (32). Selon l'invention, le balai rotatif (16) comprend des segments d'enveloppe (37), en vue transversale circulaire, situés sur l'âme du cylindre (17). Lesdits segments d'enveloppe comprennent une face extérieure (39), une face intérieure (40) qui est opposée à l'âme du cylindre (17), des crins qui font saillie de la face extérieure (39), des éléments de transfert de couple (44, 45, 46) destinés à transférer le couple de l'âme du cylindre (17) vers les segments d'enveloppe (37) et des éléments de fixation (49, 51) destinés à fixer les segments d'enveloppe (37) dans l'âme du cylindre (17).
EP20050745728 2004-05-26 2005-05-24 Balai rotatif Active EP1651398B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004026321 2004-05-26
PCT/EP2005/005590 WO2005118238A1 (fr) 2004-05-26 2005-05-24 Balai rotatif

Publications (2)

Publication Number Publication Date
EP1651398A1 true EP1651398A1 (fr) 2006-05-03
EP1651398B1 EP1651398B1 (fr) 2007-03-07

Family

ID=34968794

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20050745728 Active EP1651398B1 (fr) 2004-05-26 2005-05-24 Balai rotatif

Country Status (6)

Country Link
US (1) US8468921B2 (fr)
EP (1) EP1651398B1 (fr)
CN (1) CN100398275C (fr)
AT (1) ATE355942T1 (fr)
DE (1) DE502005000449D1 (fr)
WO (1) WO2005118238A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011105911A1 (de) 2011-06-28 2013-01-03 Josef Weber Schleifscheiben

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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DE502005000449D1 (de) 2007-04-19
ATE355942T1 (de) 2007-03-15
CN1878643A (zh) 2006-12-13
EP1651398B1 (fr) 2007-03-07
WO2005118238A1 (fr) 2005-12-15
US20070028741A1 (en) 2007-02-08
CN100398275C (zh) 2008-07-02
US8468921B2 (en) 2013-06-25

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