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Rotary indexing unit

A technology of circular indexing and output components, which is applied in the direction of metal processing machinery parts, machine tool parts, precision positioning equipment, etc., can solve the problems of transmission device damage, end collision, etc., and achieve the effect of preventing damage or destruction

Active Publication Date: 2011-06-29
弗里德曼・瓦格纳公开股份有限公司
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  • Abstract
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Problems solved by technology

[0004] However, if the indexing disc is loaded with a workpiece of great weight, then in the case of sudden braking, damage may occur in the transmission of the corresponding drive, which in the case of continuous drive will be due to the automatic locking of the drive. produced, or in the case of discontinuous driving, will be produced due to the occurrence of end collisions

Method used

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Embodiment Construction

[0015] FIG. 1 shows a circular indexing unit with a toothed rod drive 60 and an overload protection device in the form of a detent locking mechanism 50 .

[0016] The circular indexing unit has a rotary disk 30 which is mounted directly in, for example, a square housing 10 . For supporting the rotary disk 30 , the housing 10 has a recess 11 in the form of an annular groove, in which a wire ball bearing 35 or a similar four-point bearing is arranged. The bearing wire as bearing outer ring is supported in the recess 11 . The revolving disk 30 , which is, for example, disk-shaped, accommodates bearing wires 36 , 37 which assume the function as a bearing inner ring. To accommodate the lower bearing wire 36 , the turntable 30 has a shoulder 32 . The upper bearing ring 37 is held in a gap-adjustable manner by an adjustment ring 33 arranged on the rotary disk 30 .

[0017] The housing 10 firstly has a central through-opening 12 with a housing shoulder 13 arranged on the underside....

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Abstract

The invention relates to a rotary indexing unit comprising a pivot plate that can pivot about a pivoting axis by means of a drive that is situated in a housing. To achieve this, at least one detent lock comprising a lock that engages in a positive fit and has a limited retaining force is located between a drive element of the drive and the pivot plate. The invention provides a rotary indexing unit with a drive that is protected against overloading.

Description

technical field [0001] The invention relates to a circular indexing unit with a rotary disk which can be rotated about a rotary axis by means of a drive arranged in a housing. Background technique [0002] Circular indexing units are primarily used as workpiece carriers or carriers for workpiece pallets. Individual circular indexing units are often part of multi-sided machining machines. If necessary, several such units can be placed on the large circular indexing table of the rotary transfer machine. [0003] A circular indexing unit has an indexing plate carrying, for example, a workpiece, which is to be driven in a continuous manner (eg by means of a worm gear drive) or in a discontinuous manner (eg by means of a pinion drive). A circular indexing unit with the latter type of drive has, for example, a swivel range of 360°. The indexing disc will be positioned precisely and repeatedly accurately with a defined indexing pitch. The indexing plate is stopped in the select...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23Q16/06
CPCB23Q16/025B23Q2220/004
Inventor 弗里德曼·瓦格纳
Owner 弗里德曼・瓦格纳公开股份有限公司
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