Rotary table device

A technology of rotary table and cam, which is applied in the direction of manufacturing tools, metal processing equipment, metal processing machinery parts, etc., to achieve the effects of rapid processing, sufficient power transmission, and elimination of backlash

Active Publication Date: 2016-08-10
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

Method used

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Examples

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Embodiment Construction

[0039] Hereinafter, 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 easily implement. The present invention can be realized in many different forms, and is not limited to the embodiments described here. Note that the drawings are schematic representations and are not drawn to scale. For the sake of clarity and convenience in describing the drawings, the relative sizes and ratios of parts in the drawings are enlarged or reduced, and any size is only illustrative and not limited thereto. In addition, the same structural object, the same element, or the same member appearing in two or more drawings is given the same reference numeral in order to express a similar feature.

[0040] Figure 4 To show a longitudinal sectional view of an embodiment of the present invention, Figure 5 for Figure 4 Enlarged view of part "A" of Figure 6 for ...

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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 in which a cam follower engages with a gear-driven cam and rotates so that the rotary table is indexed at a specified angle, greatly By improving the structure of the cam follower, 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 on 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 to mesh with the worm wheel, and the rotary table is indexed at a predetermined angle as the worm rotates. [0004] In the rotary table device as described above, there is a d...

Claims

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Application Information

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IPC IPC(8): B23Q1/52
CPCB23Q1/522B23Q1/25B23Q16/06B23Q16/10
Inventor 徐洪锡
Owner SAMCHULLY MASCH CO LTD
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