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Rotary table device

A technology of rotary table and cam, applied in the direction of manufacturing tools, metal processing equipment, metal processing machinery parts, etc., to achieve the effect of increasing contact rate, eliminating backlash, and rapid processing

Active Publication Date: 2018-11-09
SAMCHULLY MASCH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In the above-mentioned rotary table device, there is a defect that the worm reduction mechanism has its own unavoidable backlash (Backlash)

Method used

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Embodiment Construction

[0039] Hereinafter, the embodiments of the present invention will be described in detail with reference to the accompanying drawings, so that those skilled in the art to which the present invention pertains can be easily implemented. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. It is hereby stated that the drawings are schematic representations and are not drawn to scale. For the clarity of the drawings and the convenience of describing the drawings, the relative dimensions and proportions of parts in the drawings are enlarged or reduced, and the arbitrary dimensions are merely illustrative and not limited thereto. In addition, in order to represent similar features, the same reference numerals are assigned to the same structures, elements or parts that appear in two or more drawings.

[0040] Figure 4 To illustrate a longitudinal cross-sectional view of an embodiment of the present invention, Fig...

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Abstract

The present invention relates to a rotary table device used for a machine tool capable of easily adjusting a pitch of a rotary table without changing a structure of a cam follower by improving the structure of the cam follower capable of indexing the rotary table at a predetermined angle as being engaged with a gear cam and rotating. According to the present invention, cam followers (2) are installed at regular intervals in a circumferential surface of a rotary table (1) installed to be rotated inside a housing, as a gear cam (4) is rotated by rotation of a driven shaft, the rotary table (1) is rotated by the cam followers (2) engaged with the gear cam (4). A cross section of a roller gear (3) and the gear cam (4) which are the cam followers (2) is a trapezoidal shape, and inclined surfaces (3a, 4a) are equipped. The cam followers (2) are installed to be rotated on the rotary table (1) to be supported by a bearing (5), and a pitch adjusting member (6) to adjust a pitch of the rotary table (1) is installed between the rotary table (1) and the roller gear (3).

Description

technical field [0001] The present invention relates to a rotary table device used in a machine tool, and more particularly to a rotary table device as follows: a cam follower is engaged with a gear-driven cam and rotates, so that the rotary table is indexed at a predetermined angle, greatly reducing the The structure of the cam follower is improved, so that the pitch of the rotary table can be easily adjusted without changing the structure of the cam follower. Background technique [0002] Generally, a machine tool for turning or grinding is provided with a rotary table device for indexing and rotating a rotary table to which a tool or a workpiece is fixed at a predetermined angle. [0003] As a conventional rotary table device used in a machine tool or the like, a rotary table is provided with a worm wheel, and a worm is provided in a meshing manner with the worm wheel. [0004] In the rotary table device as described above, there is a disadvantage that the worm reduction...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23Q1/52
CPCB23Q1/522B23Q1/25B23Q16/06B23Q16/10
Inventor 徐洪锡
Owner SAMCHULLY MASCH CO LTD
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