EP2953769A1 - Ensemble à plateau tournant et système de fabrication - Google Patents

Ensemble à plateau tournant et système de fabrication

Info

Publication number
EP2953769A1
EP2953769A1 EP14711230.4A EP14711230A EP2953769A1 EP 2953769 A1 EP2953769 A1 EP 2953769A1 EP 14711230 A EP14711230 A EP 14711230A EP 2953769 A1 EP2953769 A1 EP 2953769A1
Authority
EP
European Patent Office
Prior art keywords
turntable
support plate
drive unit
turntable assembly
indexing
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.)
Withdrawn
Application number
EP14711230.4A
Other languages
German (de)
English (en)
Inventor
Johann Kaussler
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of EP2953769A1 publication Critical patent/EP2953769A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
    • B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
    • B25H1/02—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby of table type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q16/00—Equipment for precise positioning of tool or work into particular locations not otherwise provided for
    • B23Q16/02—Indexing equipment
    • B23Q16/04—Indexing equipment having intermediate members, e.g. pawls, for locking the relatively movable parts in the indexed position
    • B23Q16/06—Rotary indexing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q39/00—Metal-working machines incorporating a plurality of sub-assemblies, each capable of performing a metal-working operation
    • B23Q39/04—Metal-working machines incorporating a plurality of sub-assemblies, each capable of performing a metal-working operation the sub-assemblies being arranged to operate simultaneously at different stations, e.g. with an annular work-table moved in steps
    • B23Q39/042—Metal-working machines incorporating a plurality of sub-assemblies, each capable of performing a metal-working operation the sub-assemblies being arranged to operate simultaneously at different stations, e.g. with an annular work-table moved in steps with circular arrangement of the sub-assemblies

Definitions

  • Turntable arrangement and production system The present invention relates to a turntable arrangement which can be used, for example, in a mounting conveyor system.
  • Assembly conveyor systems or manufacturing systems usually comprise various functional areas and realize the transport of workpieces or components, create a repeatable positioning of workpieces, and allow various processing methods applied to the components and the use of appropriate sensors and related data processing.
  • turntables are used with high efficiency in the assembly of individual pieces to complex components.
  • the assembly consists of different and numerous individual steps for the processing of components and their assembly.
  • the turntables are equipped with components and fed successively to different workstations. Individual processes can also be automated.
  • indexing For exact and repeated positioning of workpieces, a so-called indexing or indexing is provided. This generally means the adjustment of workpieces at a predetermined repeatable position.
  • a cam roller By means of an indexing unit, a cam roller is usually picked up, damped and centered at a specific graduation which corresponds to a corresponding machining operation.
  • a freewheel is provided in the turntable storage, the prevents a turntable movement after entering the damping against the rotational movement.
  • the cam roller After machining at such an indexed position of the turntable and according to the components thereon, the cam roller is released within the indexing unit, so that the turntable can be initiated for a further rotation by one pitch with subsequent re-positioning of the following cam roller. In doing so, a cam roller entering the indexing unit is gently indexed, ie braked and centered. The rotation is done by the operator by means of handling means.
  • An object of the present invention is to provide an improved turntable assembly. Accordingly, a turntable assembly for receiving, for
  • cam rollers Centering a respective cam roller, wherein the cam rollers define segments of the support plate and a respective cam roller and the indexing unit cooperate such that successively segments are fixed at a predetermined position for providing components;
  • a freewheel for and equipped with cam rollers which in turn interact with an indexing for exact positioning of a cam roller or the turntable, can an optimal sequence of automatic and manual Operations can be achieved.
  • the division on a turntable is defined by the distribution of the particular firmly connected to the turntable cam rollers.
  • a cam roller at a certain pitch which corresponds to a corresponding machining, is generally received, damped and centered in the indexing unit.
  • a freewheel is specified in the turntable storage, which prevents a turntable movement after entering the damping against the rotational movement.
  • the positive coupling, for example, in the form of interlocking machine elements, between the drive unit and support plate provides a direct and automated rotation of the segments and thus a potentially timed transport of workpieces between work or production stations.
  • the support plate is also referred to here as a turntable.
  • the drive unit has at least one toothed machine element. It is conceivable that the drive unit has a rack and pinion. For example, the rack is guided tangentially to a rotation axis or shaft of the support plate, and the pinions are provided for engagement with the rack on the shaft. In embodiments, the drive unit for moving a rack on a pneumatic cylinder. A pneumatically realized movement is reliable and precise to realize. In addition, the space for a
  • the support plate can be rotated in particular non-linear accelerated.
  • the intermeshing toothed elements ensure rapid movement and positioning of the turntable segments.
  • the support plate is arranged horizontally and rotatably aligned about a vertical axis.
  • the support plate is also preferably equipped with component holders.
  • Indexing unit a damping element and / or a centering element for damping and / or centering the cam rollers.
  • the cam roller is released within the indexing unit, so that the turntable is initiatable to a further rotation by one pitch with subsequent re-positioning of the following cam roller.
  • a cam follower entering the indexer is gently indexed, i. H. braked and centered.
  • the drive unit is therefore supported in terms of stability.
  • the indexing unit has a radially movable stop for fixing and releasing the support plate.
  • the optional Stop is spring-mounted in the tangential direction to the turntable and can be advantageously used for damping by a damping element is used as a basis for the stop.
  • the drive unit is configured to rotate the support plate in response to an operating signal by one segment, whereby the support plate is kept positioned by means of a cam roller and the indexing unit.
  • an automatic rotation occurs when the operator presses a button that generates an operating signal.
  • the assembly of components and their assembly can be advantageously carried out by the use of a turntable assembly in conjunction with multiple workstations, which together form a manufacturing system. Manual and automated processes are mixed. There is also a manufacturing system with at least one
  • Further possible implementations of the invention also include not explicitly mentioned combinations of method aspects, functions, features or embodiments of the turntable arrangement described above or below with regard to the exemplary embodiments.
  • the skilled person will also add or modify individual aspects as improvements or additions to the respective basic form of the invention.
  • FIG. 1 is a partial view of an embodiment of a turntable assembly, wherein a cam roller in a
  • Indexing unit is centered by a centering element
  • Fig. 2 is a sectional side view of the embodiment of a turntable assembly
  • Fig. 3 is a plan view of the embodiment of a turntable arrangement, wherein the turntable is shown completely and transparently;
  • FIG. 4 is a sectional side view of the embodiment of a turntable arrangement with a fixed cam roller
  • Fig. 5 is a plan view of the embodiment of a turntable assembly of Figure 4, wherein the turntable is shown fully and transparently.
  • Fig. 6 is an illustration of an embodiment of a manufacturing system with a turntable arrangement.
  • Fig. 1 is a sectional view of a turntable assembly 1, which is a support or turntable 15 with side cam rollers 3 and an indexing unit 8 for holding, centering and fixing the rollers 3 again.
  • FIG. 2 shows a side view
  • FIG. 3 shows a plan view.
  • the cam rollers 3 are distributed in a predetermined pitch over the circumference and mark segments of the turntable 15.
  • the representation corresponds approximately to a basic position in which a cam roller 3 of the support plate 15 in the indexing 8 centered and fixed. Due to the partially broken plate 15 shown in Fig. 1, the underlying indexing 8 is largely visible.
  • indexing unit 8 To monitor the stop 4, the indexing unit 8 contains an initiator 9 (see FIG. A drive unit 18 is mounted below the turntable 15.
  • the described turntable 15, which can be set at a determinable time in a rotation, here simultaneously a transport movement, is in the end position of the rotational movement, d. H. if he has rotated by one pitch, automatically fixed.
  • the rotation is effected by a drive unit 18, which comprises a pneumatic cylinder 17, which can perform a linear movement R.
  • a drive unit 18 which comprises a pneumatic cylinder 17, which can perform a linear movement R.
  • FIG. 3 this is indicated in plan view.
  • the movement R is transmitted to a rack 16 which is positively coupled with pinion 20 on the axis of rotation 2.
  • a rotation D of the support plate 15 can be achieved.
  • the turntable assembly 1 in the position automatically, so without manual operation, for example on a handling element 10, to perform the rotation.
  • the rotation of the turntable 15 can thus, for example, with other manual or automatic welding or soldering,
  • FIG. 2 shows a sectional side view of the rotatable support plate 15 with cam rollers 3, the bearing and free run 2, the centering 5 and the indexing 8 and a common support plate 11.
  • the cam roller 3 In the operating state shown in Fig. 2 is the cam roller 3, the is retracted into the indexing unit 8, not yet centered by the centering element 5 and fixed.
  • the cylinder 6, not shown in FIG. 2 has retracted and, in the position shown, holds the centering element 5 displaced radially outward relative to the turntable 1.
  • the actuating handle 10 is connected, for example, to a control device, not shown, which supplies a signal to the drive unit 18 in response to the actuation of the handle or pushbutton 10. Then the pneumatic cylinder 17 via the rack 16, the support plate 15 in rotation.
  • a cam roller 3 located in the indexing unit 8 is released in each case.
  • the completion of processing on, for example, an automatic workstation on which the turntable 15 is currently located is necessary in the normal case, which can be displayed by actuation of the handle 10. Only then can the turntable be released and a new rotary motion initiated.
  • the spring-mounted in the radial direction stop 4 presses in the released state against the cam roller 3.
  • the drive unit 18 or by manual tapping of the turntable 1 for example, the frictional connection between stop 4 and cam roller 3 can be solved.
  • the turntable 1 then rotates by one pitch and the stop 4 takes on the next cam roller 3, which is braked in the stop 4 by means of the damping element 7.
  • the stopper 4 is mounted in the tangential direction to the turntable 1 and is held by the damping element 7 in the basic position.
  • the drive unit 18 can be dispensed with stop 4 and damping 7.
  • the turntable 15 is braked via the damping element 7.
  • a turning back of the turntable 15 during the braking phase is prevented by the freewheel 2 in the turntable bearing or by the toothed design of the coupling of the drive unit 18.
  • the centering element 5 which is characterized by a For example, also pneumatic cylinder / piston is driven, the cam roller 3 and the turntable 1 is centered.
  • the automated stations are starting to work. 5 and 6 show a deceleration or trapping a cam roller 3 in the indexing unit 8 in conjunction with the initiator 9.
  • the turntable 1 is in turn on the storage and the freewheel 2 together with the
  • Indexing 8 positioned on a common carrier 11.
  • the turntable 1 is shown partially broken in Fig. 5, wherein also the indexing 8 exposed to view the internal components.
  • the cam roller 3 is held by means of the stop 4 in the
  • FIG. 5 shows an example of the use of a turntable assembly 1 in a manufacturing system 13.
  • the example shows a hybrid work system 13 with a turntable assembly 1, wherein the support plate 15 is manually triggered and can be set in a rotary motion. The rotation can be done by the drive unit, not shown here.
  • the turntable 15 serves as a means of transport and interacts with an indexing unit (concealed).
  • the turntable 15 shown in FIG. 7 is designed as a rotatable support plate 15 to receive components 14.
  • the cam rollers 3 are shown partially visible.
  • the overall view shows three workstations 21, which are integrated in a workstation 13, which in turn can be connected in series several times in succession.
  • the turntable shown in Fig. 5 shows an example of the use of a turntable assembly 1 in a manufacturing system 13.
  • the example shows a hybrid work system 13 with a turntable assembly 1, wherein the support plate 15 is manually triggered and can be set in a rotary motion. The rotation can be done by the drive unit, not shown
  • the workpieces or components 12 are held by workpiece holders 14.
  • the invention enables a hybrid work system, wherein the appropriate initiation of the rotational movement of a Turntable in conjunction with an automatic indexing leads to an optimized man-machine interface. Due to the indexing unit and the cam rollers on the turntable, the turntable is automatically caught, damped and centered in the indexing unit by a cam roller, depending on the pitch or depending on the workpiece carrier receptacles which are located on the turntable. In addition, a rapid movement is achieved by the drive via a rack and pinion. In the turntable bearing a freewheel is integrated, which changes a turntable movement after entering the damping counter to the direction of rotation. The drive has a particularly low height.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Specific Conveyance Elements (AREA)

Abstract

L'invention concerne un ensemble à plateau tournant et un système de fabrication. l'ensemble (1) à plateau tournant servant à la réception, au transport et la fixation de pièces (14) comprend : un plateau d'appui (15) monté de manière à pouvoir tourner et muni d'une roue libre (2) et de plusieurs galets de came (3) ; une unité d'indexage (8) servant au logement et au centrage temporaires de chacun des galets de came (3), les galets de cames (3) définissant des segments du plateau d'appui (15) et chacun des galets de came (3) et l'unité d'indexage (8) coopérant de telle manière que les segments successifs sont fixés dans une position prédéterminée pour la mise en place des pièces ; et une unité d'entraînement (18), qui est raccordée au moyen d'un raccordement par complémentarité de forme au plateau d'appui (15) pour assurer sa rotation automatique. L'ensemble à plateau tournant (1) peut être utilisé dans un système de fabrication (13).
EP14711230.4A 2013-03-28 2014-03-17 Ensemble à plateau tournant et système de fabrication Withdrawn EP2953769A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013205621.4A DE102013205621A1 (de) 2013-03-28 2013-03-28 Drehtelleranordnung und Fertigungssystem
PCT/EP2014/055323 WO2014154516A1 (fr) 2013-03-28 2014-03-17 Ensemble à plateau tournant et système de fabrication

Publications (1)

Publication Number Publication Date
EP2953769A1 true EP2953769A1 (fr) 2015-12-16

Family

ID=50336311

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14711230.4A Withdrawn EP2953769A1 (fr) 2013-03-28 2014-03-17 Ensemble à plateau tournant et système de fabrication

Country Status (3)

Country Link
EP (1) EP2953769A1 (fr)
DE (1) DE102013205621A1 (fr)
WO (1) WO2014154516A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111702535A (zh) * 2020-06-28 2020-09-25 瓦房店轴承集团国家轴承工程技术研究中心有限公司 手动回转装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1060105B (de) * 1954-09-14 1959-06-25 Rubery Giesserei-Formmaschine mit absatzweise umlaufendem Drehtisch

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1209498A (fr) * 1982-04-22 1986-08-12 Gordon M. Sommer Mecanisme combine d'embrayage et de freinage a controle de fonctions
JPS629853A (ja) * 1985-07-08 1987-01-17 Ckd Corp 割り出し回転式自動作業装置
CH695486A5 (de) * 2001-12-13 2006-06-15 Hug Maschinenfabrik Ag Rundtaktmaschine.
DE202010002691U1 (de) * 2010-02-23 2011-09-02 Schips Ag Arbeitstisch
JP5386407B2 (ja) * 2010-03-02 2014-01-15 三菱重工業株式会社 回転テーブル
DE102010042086A1 (de) 2010-10-06 2012-04-12 Siemens Aktiengesellschaft Drehteller mit Indexiereinheit und Betriebsverfahren

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1060105B (de) * 1954-09-14 1959-06-25 Rubery Giesserei-Formmaschine mit absatzweise umlaufendem Drehtisch

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2014154516A1 *

Also Published As

Publication number Publication date
DE102013205621A1 (de) 2014-10-02
WO2014154516A1 (fr) 2014-10-02

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