• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates to a clutch / brake unit (3) for a accumulation conveyor (2) for driving and braking at least one roller (5) provided for transporting piece goods (4) on a roller conveyor (1) of the accumulation conveyor (2) by means of a roller endless traction means (7), wherein the clutch-brake unit (3) via an endless drive-traction means (8) on a drive roller (9) in operation is driven continuously and in an engaged operating state for transmitting the rotational movement of the drive roller (9) is formed about an axis (16) to an output roller (11) and in a braking mode for braking the output roller (11) on a housing (17) of the clutch-brake unit (3), wherein the driven roller (11) over the endless Traction means (7) with the roller (5) is connected, wherein first actuating means for displacing the driven roller (11) along the axis (16) in the direction of the housing (17) are formed to the clutch-brake unit (3) in her brake second operating means for displacing the driven pulley (11) along the axis (16) in the direction of the drive roller (9) are provided to put the clutch-brake unit (3) in their engaged operating state.
    公开号:AT512115A1
    申请号:T1584/2011
    申请日:2011-10-27
    公开日:2013-05-15
    发明作者:
    申请人:Knapp Ag；
    IPC主号:
    专利说明:

    Clutch-Brcms unit for an accumulation conveyor
    The invention relates to a clutch-brake unit for a accumulation conveyor for driving and braking at least one intended for transporting piece goods on a roller conveyor of the accumulation conveyor roller by means of an endless traction means, wherein the clutch-brake unit via an endless drive-traction means on a Drive roller is continuously driven in operation and is formed in an engaged operating state for transmitting the rotational movement of the drive roller about an axis to an output roller and in a braking mode for braking the output roller to a housing of the clutch-brake unit, wherein the driven roller on the endless traction means associated with the role.
    The document EP 1 314 663 A1 thus discloses a clutch-brake unit in which both the first actuating means and the second actuating means are formed by an electrically actuable clutch magnet. A transfer letter and the output roller are rotatably connected to the axis of the clutch-brake unit. The drive roller is rotatably supported by four ball bearings both to the axis and to the housing and disposed between the transfer disc and the driven pulley. In the braking mode, a spring-mounted on the transmission disc brake pad is attracted by one of the clutch magnet to a brake disc of the housing, whereby the brake pad brakes the transfer disc and with this the output roller. In the engaged mode, a spring-mounted on the transfer disc clutch lining is attracted by the other clutch magnet to a clutch disc of the drive roller, whereby the transfer disc and driven with her the driven roller of the drive roller. Due to the non-rotatable connection of the Ubertragungsscheibe with the driven roller, the driven roller is braked respectively with the transfer disc or taken from the drive roller.
    The known clutch-brake unit has the disadvantage that it is expensive and complex to manufacture due to its many items. The resilient mounting of the brake lining and the clutch lining is subject to aging for longer service life, which is why it came to grinding brake and clutches and consequent failure of the clutch-brake unit with decreasing spring force.
    The invention has for its object to provide a structurally simple, inexpensive and reliable clutch-brake unit, in which the above disadvantages are avoided. According to the invention, this task is solved in that first actuating means for displacing the driven pulley along the axis are formed in the direction of the housing to put the clutch-brake unit in its braking operation state, and wherein second actuating means for displacing the driven pulley along the axis in the direction the drive roller are adapted to put the clutch-brake unit in its engaged operating state.
    As a result, the advantage is obtained that the clutch-brake unit can be displaced into its brake operating state and into its engaged operating state by simply and reliably realizable displacement of the driven roller along the axis of the clutch-brake unit. At least the components of the transfer disc and the suspension of the brake and clutch lining of the construction according to the prior art omitted in the clutch-brake unit according to the invention in its entirety, since the function of the transfer disc is fulfilled by the sliding output roller. As a result, the number of components and in particular the weight to be braked or accelerated during each braking operation or acceleration process has been significantly saved with at least the same mechanical strength. As an actuating means for displacing the driven roller in this case, for example, both train or Druckfedem, piston-cylinder units with negative or positive pressure or electromagnets are used.
    However, it has proved to be particularly advantageous to realize the first actuating means by a piston-cylinder unit operated with excess pressure and the second actuating means by a compression spring. This ensures that the output roller and thus the role of the accumulation conveyor is braked outside of the operating times or in case of failure of the power supply of the accumulation conveyor of the compression spring. The construction according to the invention further has the advantage that the driven roller is reliably braked either by the achievable by a strong compression spring strong brake pressure or reliably engaged by the achievable with the integrated piston-cylinder unit strong pressing pressure.
    The provision of the integrated in the clutch-brake unit piston-cylinder unit as a first and / or second actuating means has the advantage that only a very small volume of Duckluft is necessary to the clutch-brake unit from one operating state to the other operating state to move. Due to the lower need for compressed air, the clutch-brake unit can be operated particularly energy-efficient.
    Also particularly advantageous is the use of a material for the clutch and brake disc, which does not degrade the material part of the coupling or braking energy to be derived during coupling and braking by material abrasion but by elastic and thermal energy conversion. Here, elastomers such as polyurethane are particularly useful. The combination of the strong pressing pressure by the actuating means according to the invention and the use of a material having elastic properties for the brake and clutch disc achieved in the practical realization surprisingly good acceleration and braking values even with transport of heavy cargo and allows a much longer service life than conventional clutch-brake units.
    It has also proven to be very advantageous that in the inventive clutch-brake unit, the output roller is provided close to the attachment means of the clutch-brake unit on the frame of the roller conveyor and thus closer than the drive roller. As a result, the entire conveyor roller width can be used to transport the piece goods.
    Further advantageous embodiments of the system according to the invention are explained in more detail below with reference to FIGS.
    Figure 1 shows schematically the roller conveyor of a Stauforderers with a clutch-brake unit.
    Figure 2 shows three rollers and the clutch-brake unit of the roller conveyor according to Figure 1 in an oblique view.
    Figure 3 shows the clutch-brake unit of the roller conveyor according to Figure 1 in a side and an oblique view.
    Figure 4 shows the clutch-brake unit of the roller conveyor according to Figure 1 in a sectional view.
    1 shows schematically a portion of a roller conveyor 1 of a accumulation conveyor 2 with a clutch-brake unit 3. With the accumulation conveyor 2 is general cargo 4, which is for example transported from a warehouse to picking stations is led by two conveyor belts on one together. In order to prevent collision of the piece goods 4, the piece goods in certain sections of the roller conveyor 1 is correspondingly accelerated and decelerated. The portion of the roller conveyor 1 shown in Figure 1 has eight rollers 5, which are interconnected by means of endless traction means 6. A higher-level control device provides control information as to when the rollers 5 of the roller conveyor 1 are to be decelerated or accelerated.
    For correspondingly driving the rollers 5, the accumulating conveyor 2 has the coupling-brake unit 3, which is connected to the rollers 5 via two endless traction means 7 formed by V-ribbed belts. The clutch-brake unit 3 is continuously driven by an endless drive-traction means 8 on a drive roller 9 in operation and the clutch-brake unit 3 is in an engaged operating state for transmitting the rotational movement of the drive roller 9 by means of a clutch disc 10 to an output roller 11 and formed over the endless traction means 7 to the rollers 5. On the construction of the clutch-brake unit 3 is discussed in more detail with reference to Figures 2 to 4.
    Figure 2 shows three rollers 5 and the clutch-brake unit 3 of the roller conveyor 1 according to Figure 1 in an oblique view. Both the rollers 5 and the clutch-brake unit 3 are fixed to a frame 12 of the roller conveyor 1. The rollers 5 are located to transport the piece 4 in a plane and the clutch-brake unit 3 is mounted below this level on the frame 12 with a fastening means forming screw-nut combination 13. The clutch-brake unit 3 is constructed so that the driven pulley 11 is disposed between the attachment means and the drive roller 9 immediately adjacent to the frame 12 of the roller conveyor 1. As a result, the advantage is obtained that substantially the entire width of the frame 12 can be used as a bearing surface of the rollers 5 for the cargo 4.
    Figure 4 shows the clutch-brake unit 3 of the roller conveyor 1 according to Figure 1 in a sectional view. The clutch-brake unit 3 has the drive roller 9, which is rotatably mounted on the axle 16 by means of ball bearings 14 and 15. The drive traction means 8 for driving, for example, formed by a flat belt or a toothed belt 5 5 ♦ · · · · ·
    The driving roller 9 is not shown in FIG. 4. The axle 16 is formed as part of the housing 17 of the clutch-brake unit 3 in one piece with a cylinder 18 of a piston-cylinder unit 19. Here, a part of the housing wall forms the cylinder 18 in which the piston 20 is provided linearly displaceable on the axis 16. To a compressed air port 21, a compressed air line is connected, the line pressure generated by a compressor and controlled by means provided between the compressor and the compressed air port 21 valves by the higher-level control device.
    On the piston 20, the output roller 11 is provided rotatably supported by two ball bearings 22 and 23. A compression spring 24 presses on the linearly displaceable piston 20, whereby the output roller 11 is pressed against a brake disk 25 on the housing 17 and the output roller 11 is decelerated in the braking mode. If a correspondingly large air pressure passed through the Druckluftöffhung 21 in the cylinder 18, then the piston 20 moves against the spring force of the compression spring 24 and presses the clutch disc 10 against the drive roller 9. In this engaged operating state of the clutch-brake unit 3 is the Rotational movement of the drive roller 9 via the clutch disc 10, the driven roller 11 and not shown in Figure 4 V-ribbed belt delivered to the rollers 5. Sealing rings 26 and 27 seal the interior of the cylinder 18 to the axis 16 and the inner wall of the housing 17 back. With only one nut 28 all parts of the clutch-brake unit 3 are screwed, making repairs are easy to carry out.
    Particularly advantageous in the construction of the clutch-brake unit 3 is further that, apart from the clutch disc 10 made of lightweight plastic, only the drive roller 9 and the driven roller 11 are rotating parts made of metal or similar mechanically strong material, during each braking and acceleration process slowed down or accelerated. This can be very energy efficient and slowed down and accelerated quickly. The provision of the mechanical compression spring 24 and the piston-cylinder unit 19 for displacing the driven roller 11 has the advantage that just with these two actuating means large and inexpensive forces can be achieved, as a contact pressure on the brake disc 25 and the clutch disc 10 a safe and ensure good power transmission. The integrated into the clutch-brake unit 3 piston-cylinder unit 19 also allows a very compact design, whereby for controlling the clutch-brake units 3 of the different sections of * # 6 • * a * · · it ♦ · ♦ ·· * *
    Rollerbahn 1 by the parent control device only the compressed air lines must be connected.
    It may be mentioned that the clutch-brake unit 3 could also be operated hydraulically, but the realization by means of pneumatic cylinder 17 has proven to be particularly advantageous.
    The clutch disc 10 and the brake disc 25 are designed as frictional friction clutches whose material degrades the coupling and braking energy via elastic and thermal energy conversion, virtually without material removal on the friction surfaces. For this purpose, an elastomer and in particular a polyurethane was provided as the material of the clutch disk 10 and the brake disk 25. This material is characterized by the fact that it deforms during braking or engagement and then due to the friction to some extent heated, but practically not rub off, as is the usual operating principle in clutches and brake pads. In this way, a particularly long life of the clutch-brake unit 3 is achieved without the need to exchange the brake or clutch disc.
    It may be mentioned that it can also be advantageous to use as the material of the clutch disc 10 and the brake disc 25 a thermoplastic and in particular a polyamide. But also the use of a thermoset material as the clutch disc 10 and the brake disc 25 has shown beneficial effects.
    In the clutch-brake unit 3, the brake disk 25 is fixed in the housing 17 and the clutch disk 10 in the drive roller 9. Likewise, however, the brake disk 25 and / or the clutch disk 10 could also be provided fastened to the output roller 11.
    It would also be possible to form the compression spring 24 as a tension spring, which pulls the driven roller in its engaged operating state. By applying negative pressure to the cylinder, the output roller could be controlled to the brake operating state of the clutch-brake unit.
    According to a further embodiment, it would also be possible to realize both the first actuating means and the second actuating means for displacing the driven roller along the axis by a piston-cylinder unit. This could be the
    Compressed air supply to the cylinder of the first actuating means via a bore in the axis. In a particularly advantageous embodiment, the first and the second actuating means could also be formed by only one of the piston-cylinder unit 19 shown in FIG. By means of compressed air in the cylinder 19, the output roller 11 is adjusted in its engaged operating condition and by means of negative pressure in the cylinder 19, the piston-cylinder unit 19 is moved to the braking mode.
    According to a further embodiment, the first actuating means and / or the second actuating means is formed by an electromagnet which displaces an armature plate or the driven roller made of metal along the axis. Any combinations of the above-described actuating means could also be combined.
    According to a further exemplary embodiment of the invention, the output roller itself is produced from a material for a non-positive friction clutch (for example polyurethane or polyamide), which is why it is advantageously possible to dispense with the provision of a separate brake disk and / or a separate clutch disk. In this exemplary embodiment, the output roller is pressed by the first actuating means in the braking mode for braking the output roller directly against the housing. In the engaged operating state, the driven roller is pressed by the second actuating means directly against the drive roller. It would also be possible to produce the housing at least in the region in which the output roller is pressed against the housing, and / or the drive roller made of a material for a frictional friction clutch. Of the Reibpartnem during braking and engagement each one of these parts could consist of a metal and the other of the material for a frictional friction clutch or it could also be both friction partners made of the material for a frictional friction clutch.
    It can be mentioned that an endless traction means 7 advantageously an axial offset permitting traction means is used. As a result, even if the driven pulley 11 is set in the braking operation state or the engaged operation state, the rollers 5 are reliably driven. Such endless traction means are for example the V-belt 7, but also round belts or a chain.
    It may be mentioned that the term accumulation conveyor in this document is to be interpreted as meaning, for example, also a belt conveyor or belt conveyor under this term.
    权利要求:
    Claims (11)
    [1]
    1. clutch-brake unit (3) for a accumulation conveyor (2) for driving and braking at least one for transporting piece goods (4) on a roller conveyor (1) of the Stauforderers (2) provided roll (5) by means of an endless Traction means (7), wherein the clutch-brake unit (3) via an endless drive-pulling means (8) on a drive roller (9) in operation is driven continuously and in an engaged operating state for transmitting the rotational movement of the drive roller (9) an axle (16) is formed on an output roller (11) and in a braking mode for decelerating the output roller (11) on a housing (17) of the clutch-brake unit (3), wherein the output roller (11) via the endless traction means (7) is connected to the roller (5), characterized in that first actuating means for displacing the driven roller (11) along the axis (16) in the direction of the housing (17) are formed to the clutch-brake unit (3 ) in a braking operation state, and wherein second actuating means for displacing the driven pulley (11) along the axis (16) in the direction of the drive roller (9) are formed to enable the clutch-brake unit (3) in its engaged operating state.
    [2]
    2. clutch-brake unit (3) according to claim 1, characterized in that between the output roller (11) and the housing (17) has a brake disc (25) and / or between the driven roller (11) and the drive roller (9) a clutch disc (10) is provided.
    [3]
    3. clutch-brake unit (3) according to claim 1, characterized in that the first actuating means in the braking mode for pressing the driven roller (11) to the housing (17) and / or the second actuating means in the engaged operating state for pressing the driven roller (11) are formed on the drive roller (9).
    [4]
    4. clutch-brake unit (3) according to one of the preceding claims, characterized in that the first actuating means by a spring and in particular by a compression spring (24) are formed and the second actuating means by a in the clutch-brake unit (3) integrated piston-cylinder unit (19) are formed, the piston (20) along the axis (16) of the clutch-brake unit (3) guided linearly via at least one ball bearing (22, 23) the output roller (11) rotatably supports, and wherein the clutch-brake unit (3) is controlled in non-pressurized cylinder (18) in particular in its braking mode.
    [5]
    5. clutch-brake unit according to one of claims 1 to 3, characterized in that the first actuating means and the second actuating means are formed by an integrated piston-cylinder unit whose piston along the axis of the clutch-brake unit linearly guided over at least one ball bearing rotatably support the output roller.
    [6]
    6. clutch-brake unit (3) according to one of the preceding claims, characterized in that the clutch disc (10) and / or the brake disc (25) and / or the driven roller (11) and / or the drive roller (9) and / or the housing (17) consist of a material for a frictional friction clutch, which degrades the coupling and / or braking energy via elastic and thermal energy conversion, virtually without material removal at the friction surfaces.
    [7]
    7. clutch-brake unit (3) according to claim 6, characterized in that as the material of the clutch disc (10) and / or the brake disc (25) and / or the driven roller (11) and / or the drive roller (9) and / or of the housing (17) an elastomer and in this case in particular a polyurethane or a thermoplastic and in this case in particular a polyamide is provided.
    [8]
    8. clutch-brake unit (3) according to one of the preceding claims, characterized in that fastening means (13) for securing the clutch-brake unit (3) on a frame (12) of the roller conveyor (1) in the operating position below the Rollers (5) are provided, wherein the driven roller (11) closer to the fastening means (13) than the drive roller (9) is provided.
    [9]
    9. clutch-brake unit (3) according to one of the preceding claims, characterized in that as an endless traction means (7) is provided an axial offset permitting traction means, wherein in particular one of the following traction means is provided: V-ribbed belt; Round belts; Chain.
    [10]
    10. clutch-brake unit (3) according to one of the preceding claims, characterized in that the cylinder (18) of the piston-cylinder unit (19) is designed as a pneumatic cylinder (18) and that the piston (20) opposite the housing (17) and # 14 **. . ** the axle (16) by means of sealing means, in particular sealing rings (26, 27) is sealed,
    [11]
    11, Stauforderer (2) with a roller conveyor (1) for transporting piece goods (4), characterized in that at least one clutch-brake unit (3) according to one of claims 1 to 8 per section of the roller conveyor (1) is provided ,
    类似技术:
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    同族专利:
    公开号 | 公开日
    AT512115B1|2020-02-15|
    EP2771261A1|2014-09-03|
    MY168221A|2018-10-15|
    CN104010951A|2014-08-27|
    JP2015501268A|2015-01-15|
    US20140291118A1|2014-10-02|
    BR112014009894A2|2017-04-18|
    JP5893150B2|2016-03-23|
    WO2013060502A1|2013-05-02|
    EP2771261B1|2016-01-06|
    CN104010951B|2016-10-12|
    BR112014009894B1|2020-12-15|
    ES2566786T3|2016-04-15|
    US9156627B2|2015-10-13|
    引用文献:
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    DE102005020179A1|2005-04-28|2006-11-09|TRAPOROL Förderelemente GmbH|Roller for roller conveyor has conical recess at one end, pneumatically operated ring pushing roller along fixed shaft so that it engages with solid cone connected to chain wheels, so that roller is driven|
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    JP5245461B2|2008-03-05|2013-07-24|株式会社ダイフク|Accumulation conveyor device|
    CN201272614Y|2008-08-15|2009-07-15|深圳市大族激光科技股份有限公司|Friction transmission mechanism|US9676553B2|2013-09-06|2017-06-13|Matthew Earl Wallace|Conveyor roller with integral clutch|
    EP3050827A1|2015-01-30|2016-08-03|Dematic GmbH|Compact gear and drive unit|
    WO2017205288A1|2016-05-23|2017-11-30|Hilmot LLC|Roller system having spaced apart external rotor motor|
    US10836580B2|2018-04-06|2020-11-17|Intelligrated Headquarters, Llc|Conveyor cartridge with braking mechanism|
    JP2021123482A|2020-02-07|2021-08-30|セントラルコンベヤー株式会社|Roller-conveyor device|
    US11053078B1|2020-03-03|2021-07-06|Goodrich Corporation|Load reactive braking systems and devices|
    CN111470268B|2020-04-27|2021-07-30|承德县金盈矿业有限公司|Braking device for belt conveyor|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    ATA1584/2011A|AT512115B1|2011-10-27|2011-10-27|CLUTCH BRAKE UNIT FOR A CONVEYOR|ATA1584/2011A| AT512115B1|2011-10-27|2011-10-27|CLUTCH BRAKE UNIT FOR A CONVEYOR|
    US14/353,390| US9156627B2|2011-10-27|2012-08-27|Clutch/brake unit for an accumulating conveyor|
    ES12759033.9T| ES2566786T3|2011-10-27|2012-08-27|Clutch / brake unit for an accumulation conveyor|
    BR112014009894-8A| BR112014009894B1|2011-10-27|2012-08-27|CLUTCH-BRAKE UNIT FOR AN ACCUMULATION CONVEYOR AND ACCUMULATION CONVEYOR|
    JP2014537525A| JP5893150B2|2011-10-27|2012-08-27|Accumulating conveyor clutch / brake unit|
    CN201280052918.XA| CN104010951B|2011-10-27|2012-08-27|Joint-the brake unit of accumulating conveyor|
    EP12759033.9A| EP2771261B1|2011-10-27|2012-08-27|Clutch-brake unit for an accumulation conveyor|
    PCT/EP2012/066580| WO2013060502A1|2011-10-27|2012-08-27|Clutch/brake unit for an accumulation conveyor|
    MYPI2014000934A| MY168221A|2011-10-27|2012-08-27|Clutch/brake unit for an accumulating conveyor|
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