EP3085491B1 - Dispositif de meulage et d'ébavurage d'une pièce plate - Google Patents

Dispositif de meulage et d'ébavurage d'une pièce plate Download PDF

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Publication number
EP3085491B1
EP3085491B1 EP15165026.4A EP15165026A EP3085491B1 EP 3085491 B1 EP3085491 B1 EP 3085491B1 EP 15165026 A EP15165026 A EP 15165026A EP 3085491 B1 EP3085491 B1 EP 3085491B1
Authority
EP
European Patent Office
Prior art keywords
grinding roller
drive shaft
drive
belt
control cylinder
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.)
Active
Application number
EP15165026.4A
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German (de)
English (en)
Other versions
EP3085491A1 (fr
Inventor
Dirk KRÖPLIN
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.)
Arku Maschinenbau GmbH
Original Assignee
Arku Maschinenbau 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 Arku Maschinenbau GmbH filed Critical Arku Maschinenbau GmbH
Priority to EP15165026.4A priority Critical patent/EP3085491B1/fr
Priority to PL15165026T priority patent/PL3085491T3/pl
Priority to US15/134,471 priority patent/US9950403B2/en
Priority to CN201610253385.1A priority patent/CN106064331B/zh
Publication of EP3085491A1 publication Critical patent/EP3085491A1/fr
Application granted granted Critical
Publication of EP3085491B1 publication Critical patent/EP3085491B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/10—Single-purpose machines or devices
    • B24B7/12—Single-purpose machines or devices for grinding travelling elongated stock, e.g. strip-shaped work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B27/00—Other grinding machines or devices
    • B24B27/033—Other grinding machines or devices for grinding a surface for cleaning purposes, e.g. for descaling or for grinding off flaws in the surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/002—Grinding heads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B47/00—Drives or gearings; Equipment therefor
    • B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B47/00—Drives or gearings; Equipment therefor
    • B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
    • B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
    • B24B9/002—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor for travelling workpieces

Definitions

  • the invention relates to a device for grinding and deburring a flat workpiece according to the preamble of the first claim.
  • DE 10 2007 048 544 A1 describes a device for grinding a flat workpiece with a grinding roller, which is driven by an electric motor via V-belt pulleys and V-belt.
  • the abrasive roller is coated on the peripheral surface with a sandpaper or abrasive cloth.
  • a statically mounted sanding roller wears unevenly, as the same parts of the sanding surface repeatedly grind over the surface of the workpieces.
  • German Offenlegungsschrift 1 502 538 It is therefore proposed to reciprocate the sanding roll transversely to to cause a uniform wear of the sanding roller.
  • a crank rod drive is mentioned.
  • US 3,435,566 A describes a grinding or deburring machine with a grinding roller, the shaft is mounted laterally displaceable in a warehouse. An oscillating reciprocating motion of the sanding roller is not provided.
  • the object of the invention is therefore to provide a device for grinding and deburring a flat workpiece with a grinding roller, which performs an axial reciprocating motion in addition to the rotational movement without a second motor must be provided.
  • the grinding roller is seated coaxially on the drive shaft, wherein the grinding roller is rotatably connected to the drive shaft. At the same time the grinding roller is mounted axially displaceably on the drive shaft, so that it can perform a reciprocating movement relative to the stationary drive shaft.
  • the drive motor drives the grinding roller directly and at the same time is coupled with a cam mechanism which generates the oscillating movement of the grinding roller in the axial direction. In this way, a single drive motor is sufficient to generate both the rotational movement of the grinding roller and its reciprocating motion in the axial direction.
  • the inventively arranged between the drive motor and the drive shaft of the grinding roller cam mechanism comprises a rotatably mounted on the drive shaft of the grinding roller control cylinder with a cam groove and arranged on the grinding roller cam rider, which moves off the cam groove of the control cylinder.
  • the lateral deflection of the cam groove determines the axial displacement of the grinding roller on the drive shaft.
  • the drive motor drives the drive shaft of the grinding roller via a first belt drive and the control cylinder of the cam mechanism via a second belt drive.
  • Two belt drives coupled to the drive motor allow the selection of different ratios for the first and second belt drives. In this way, the frequency of the oscillating reciprocating motion of the grinding roller on the drive shaft can be adjusted independently of the rotational speed of the grinding roller about its axis.
  • the groove curve can z. B. be formed sinusoidal.
  • the cam rider passes through a complete sinusoid per revolution of the control cylinder, so that after a complete revolution of the control cylinder, the grinding roller has performed exactly one back and forth movement in the axial direction.
  • the groove curve has several minima and maxima, so that the oscillation frequency is a multiple of the number of revolutions of the control cylinder.
  • the grinding roller has at its one end face a cylindrical recess in which the control cylinder is arranged coaxially.
  • the cam gear can be integrated into the grinding roller, without additional space would be claimed.
  • the grinding roller is preferably designed as a hollow cylinder, on whose inner wall at least one axial guide slot is arranged.
  • the drive shaft carries at least one corresponding cam roller which engages in the guide slot of the hollow cylinder.
  • at least one slide bearing is also arranged between the drive shaft and the grinding roller. It is expedient to provide at least two guide slots and corresponding cam rollers, which are each arranged in the region of the right or left end of the sanding roller. Cam rollers and axial guide slots form the necessary non-rotatable connection between the drive shaft and grinding roller and at the same time allow the mobility of the Grinding roller on the drive shaft in the axial direction to allow the oscillating reciprocating motion of the grinding roller.
  • the second belt drive that drives the cam gear is coupled to the first belt drive that drives the drive shaft of the grinding roller via a connecting shaft.
  • the first belt drive is the primary drive for the grinding roller and the second, coupled via the connecting shaft belt drive a secondary drive for the back-and-forth motion.
  • two independent belt drives which each directly transmit the rotational movement of the drive motor to the grinding roller or the cam gear.
  • the first belt drive comprises a first pulley seated on the drive shaft of the sanding drum
  • the second belt drive comprises a second pulley connected to the control cylinder.
  • Such a constructed double belt drive allows to easily rotate the drive shaft of the grinding roller and rotatably mounted on the drive shaft control cylinder at different speeds by the two belt drives have different gear ratios. Even subsequently, the transmission ratios can be easily changed. For example, at unchanged speeds of the drive motor and the grinding roller, the frequency of the oscillating axial movement of the grinding roller can be adapted to changing conditions, eg. B. solely by the replacement of the pulley connected to the control cylinder.
  • a storage of the grinding roller shaft in the machine frame such that the one, z. B. right end of the drive shaft is mounted in a hinged bearing has the advantage that the cylindrical grinding roller can be deducted in the axial direction of the drive shaft or the abrasive coating of the sanding roller, which makes the exchange very easy.
  • the belt drives then form no obstacle to an exchange of the abrasive coating or the entire grinding roller by pulling in the axial direction of the belt drives away.
  • a grinding roller 2 is rotatably supported about its horizontal axis.
  • the grinding roller 2 is seated coaxially on a drive shaft 3, which is rotatably supported by two roller bearings 4 a, 4 b in the machine frame 1.
  • the two rolling bearings 4a, 4b are arranged at some distance from each other.
  • a third, not shown here rolling bearing is located on the free (in FIG. 1 right) end of the drive shaft 3, said third roller bearing can be solved by the drive shaft 3 by folding down, so that the grinding roller 2, as shown here, is stored temporarily free-floating.
  • an abrasive coating 5 for abrasive machining of a flat workpiece 6 is arranged on the cylindrical outer side of the grinding roller 2.
  • the abrasive coating 5 is designed here as an endless cylindrical tube and can be raised from the free end of the drive shaft 3 ago in the axial direction on the sanding roller 2 and withdrawn in the opposite direction. To remove burrs on the substantially planar upper side of the workpiece 6, this is moved in the horizontal direction below the rotating grinding roller 2.
  • the grinding roller 2 is driven by a drive motor 7, a strong electric motor. Its motor shaft 8 is also horizontal in the machine stand 1 stored.
  • the drive motor 7 drives the drive shaft of the grinding roller 2 via a first primary belt drive 9.
  • the belt drive 9 comprises a lower pulley 10, an upper pulley 11, which sits on the drive shaft 3 of the grinding roller 2, and a drive belt 12 guided over the pulleys 10, 11.
  • the drive shaft 3 is rotatably connected to the grinding roller 2.
  • the grinding roller 2 is displaceably mounted on the drive shaft 3 in the axial direction.
  • This is realized by two axial guide slots 13a, 13b on the cylindrical inside of the grinding roller 2, which is designed as a hollow cylinder, and two corresponding cam rollers 14a, 14b, which sit on the drive shaft 3 and engage in the guide slots 13a, 13b.
  • a sliding bearing 15 is arranged, so that the grinding roller 2 can easily slide back and forth axially on the drive shaft 3, as far as this permits the relative movement of the cam rollers 14a, 14b in the guide slots 13a, 13b.
  • the cam rollers 14a, 14b have the function of drivers, which transmit the rotational movement of the drive shaft 3 to the grinding roller 2.
  • the drive motor 7 not only rotates the grinding roller 2, but also causes oscillating reciprocation of the grinding roller 2 with respect to the drive shaft 3.
  • a second secondary belt drive 16 is provided.
  • This belt drive 16 comprises an upper pulley 17 and a lower pulley 18, over which a drive belt 19 passes.
  • a connecting shaft 20 is horizontal and thus rotatably mounted parallel to the drive shaft 3 and the motor shaft 8 in the machine frame 1.
  • the lower pulley 18 is seated on one (in FIG. 1
  • On the opposite end of the connecting shaft 20 is another pulley 21 located approximately midway between the lower pulley 10 and the upper pulley 11 of the primary belt drive 9, these three pulleys 10, 11, 21 in one plane lie.
  • the drive belt 12 of the primary belt drive 9 is guided over the middle pulley 21 and thus transmits the rotational movement of the drive motor 7 on the connecting shaft 20 and the coupled secondary belt drive 16th
  • the grinding roller 2 has at its free end opposite (in FIG. 1 left) front side a large cylindrical recess.
  • a likewise cylindrical trained control cylinder 23 sits almost completely in the recess 22 and is mounted by means of rolling bearings 24a, 24b on the drive shaft 3 of the grinding roller 2, so that it can rotate freely on the drive shaft 3.
  • a groove curve 25 is incorporated with approximately rectangular cross section.
  • a corresponding cam follower 26 is disposed on a cylindrical inner wall of the grinding roller 2 and engages in the cam groove 25 of the control cylinder 23 a.
  • the cam follower 26 is designed as a cam roller in order to reduce the friction between the cam groove 25 and cam follower 26.
  • the drive motor 7 drives not only the grinding roller 2, but also via the secondary belt drive 16 and the control cylinder 23 in a rotational movement coaxial with the grinding roller 2 and the drive shaft 3.
  • the speed at which the control cylinder 23 rotates on the drive shaft 3 is not the same as the speed at which the grinding roller 2 rotates about its axis. Since the two belt drives 9 and 16 have different transmission ratios, the drive shaft 3 or the rotatably connected grinding roller 2 and the control cylinder 23 rotate at different speeds.
  • the groove cam 25 runs sinusoidally on the lateral surface of the control cylinder 23. Viewed over a full revolution, the cam groove 25 moves back and forth between the right and left edges of the control cylinder 23, as in FIG. 2 indicated by a double arrow.
  • the cam follower 26 follows this oscillating movement in the axial direction and thereby transmits the deflection the Nutkurve 25 on the grinding roller 2, so that it not only rotates about its axis, but at the same time performs an oscillating reciprocating motion in the axial direction.
  • the number of reciprocating movements of the grinding roller 2 depends on the rotational speed of the control cylinder 23 in relation to the rotational speed of the grinding roller 2 from.
  • the speed of the grinding roller is 1,000 rpm (16 per second), while the oscillation frequency is 2 / sec
  • the oscillation frequency can be adjusted very easily.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)

Claims (10)

  1. Dispositif de meulage et d'ébavurage d'une pièce plate, comprenant un cylindre abrasif (2) avec un revêtement abrasif (5) pour le traitement abrasif de la pièce (6), un arbre d'entraînement (3) coaxial relié de manière fixe en rotation au cylindre abrasif (2), arbre sur lequel est monté de manière mobile dans l'axe le cylindre abrasif (2), un moteur d'entraînement (7) pour l'entraînement du cylindre abrasif (2), caractérisé en ce qu'une commande à cames est couplée avec le moteur d'entraînement (7), laquelle commande à cames génère un mouvement de va-et-vient oscillant du cylindre abrasif (2) sur l'arbre d'entraînement (3), la commande à cames comprend un cylindre de commande (23) monté de manière rotative sur l'arbre d'entraînement (3) du cylindre abrasif (2) avec une rainure à cames (25) et un coulissant de came disposé au niveau du cylindre abrasif (2), lequel coulissant de came suit la rainure à cames (25), le moteur d'entraînement (7) entraîne via un premier entraînement par courroie (9) l'arbre d'entraînement (3) du cylindre abrasif (2) et via un deuxième entraînement par courroie (16) le cylindre de commande (23).
  2. Dispositif selon la revendication 1, caractérisé en ce que la rainure à cames (25) du cylindre de commande (23) est de forme sinusoïdale.
  3. Dispositif selon la revendication 1 ou 2, caractérisé en ce que le cylindre abrasif (2) a au niveau de son côté avant un creux cylindrique (22) dans lequel le cylindre de commande (23) est disposé de manière coaxiale.
  4. Dispositif selon l'une des revendications 1 à 3, caractérisé en ce que le cylindre abrasif (2) est configuré en tant que cylindre creux, au niveau de la paroi interne duquel au moins une fente de guidage axiale (13a, 13b) est disposée, et l'arbre d'entraînement (3) porte au moins un galet de came correspondant qui s'engrène dans la fente de guidage (13a, 13b).
  5. Dispositif selon l'une des revendications 1 à 4, caractérisé en ce qu'au moins un palier lisse (15) est disposé entre l'arbre d'entraînement (3) et le cylindre abrasif (2).
  6. Dispositif selon l'une des revendications 1 à 5, caractérisé en ce que le deuxième entraînement par courroie (16) est couplé avec le premier entraînement à courroie (9) via un arbre de liaison (20).
  7. Dispositif selon l'une des revendications 1 à 6, caractérisé en ce que le premier entraînement à courroie (9) comprend une poulie (11) qui est installée sur l'arbre d'entraînement (3) du cylindre abrasif (2).
  8. Dispositif selon l'une des revendications 1 à 7, caractérisé en ce que le deuxième entraînement à courroie (16) comprend une poulie (17) qui est reliée au cylindre de commande (23).
  9. Dispositif selon l'une des revendications 1 à 8, caractérisé en ce que les deux entraînements à courroie (9, 16) ont des rapports de transmission différents de sorte que l'arbre d'entraînement (3) et le cylindre de commande (23) tournent avec des régimes différents.
  10. Dispositif selon l'une des revendications 1 à 9, caractérisé en ce que les deux entraînements à courroie (9, 16) sont disposés l'un à côté de l'autre au niveau d'une extrémité de l'arbre d'entraînement (3).
EP15165026.4A 2015-04-24 2015-04-24 Dispositif de meulage et d'ébavurage d'une pièce plate Active EP3085491B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP15165026.4A EP3085491B1 (fr) 2015-04-24 2015-04-24 Dispositif de meulage et d'ébavurage d'une pièce plate
PL15165026T PL3085491T3 (pl) 2015-04-24 2015-04-24 Urządzenie do szlifowania i usuwania zadziorów z płaskiego przedmiotu obrabianego
US15/134,471 US9950403B2 (en) 2015-04-24 2016-04-21 Device for grinding and deburring a flat workpiece
CN201610253385.1A CN106064331B (zh) 2015-04-24 2016-04-22 用于面型的工件的磨削和去毛刺的装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP15165026.4A EP3085491B1 (fr) 2015-04-24 2015-04-24 Dispositif de meulage et d'ébavurage d'une pièce plate

Publications (2)

Publication Number Publication Date
EP3085491A1 EP3085491A1 (fr) 2016-10-26
EP3085491B1 true EP3085491B1 (fr) 2017-04-12

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EP15165026.4A Active EP3085491B1 (fr) 2015-04-24 2015-04-24 Dispositif de meulage et d'ébavurage d'une pièce plate

Country Status (4)

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US (1) US9950403B2 (fr)
EP (1) EP3085491B1 (fr)
CN (1) CN106064331B (fr)
PL (1) PL3085491T3 (fr)

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CN206200893U (zh) * 2016-10-20 2017-05-31 布兰特·戈登·麦克阿瑟 一种可配合家用电钻使用的电动凿具
US10632549B2 (en) * 2016-12-15 2020-04-28 Ford Motor Company Blanking and trim die including an integrated power grinding tool
CN107234532A (zh) * 2017-06-21 2017-10-10 孙美娟 一种多功能桥梁设备
CN107042181A (zh) * 2017-06-21 2017-08-15 孙美娟 一种桥梁设备
TWM561594U (zh) * 2017-12-21 2018-06-11 Zhuang Bo Chang 具橫移研磨之研磨機
CN108655842A (zh) * 2018-05-28 2018-10-16 郑州荣献新材料技术有限公司 一种建筑工程用卡箍式短钢管打磨装置
CN111102078B (zh) * 2019-11-28 2022-10-18 四川泛华航空仪表电器有限公司 一种去除点火电嘴导电杆氧化层的方法
CN112570560B (zh) * 2020-11-03 2022-11-22 德清火狐科技有限公司 一种可针对工件表面优化处理的冲压成型模具
DE202020107308U1 (de) 2020-12-16 2021-02-09 Arku Maschinenbau Gmbh Maschine zum Bearbeiten von Blechteilen
CN112571077A (zh) * 2020-12-22 2021-03-30 南京皓政科技有限公司 一种能适用于直径不同的钢管的除锈装置
CN113211307A (zh) * 2021-05-25 2021-08-06 安徽鑫艺达抛光机械股份有限公司 一种平板抛光机摆动磨头
CN116330158B (zh) * 2023-04-24 2024-05-28 山东蓝诺机械制造有限公司 一种浮动辊平面拉丝装置及方法

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Also Published As

Publication number Publication date
PL3085491T3 (pl) 2017-09-29
US9950403B2 (en) 2018-04-24
CN106064331A (zh) 2016-11-02
US20160332275A1 (en) 2016-11-17
CN106064331B (zh) 2018-05-18
EP3085491A1 (fr) 2016-10-26

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