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Power-boosting device for clamping apparatus of index table

A technology of boosting device and indexing plate, which is applied in the direction of large fixed members, metal processing machinery parts, precision positioning equipment, etc., to increase the degree of deceleration, shorten the moving time, and improve the effect of boosting force

Active Publication Date: 2010-10-13
TSUDAKOMA KOGYO KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, the holding device and even the index plate itself become larger

Method used

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  • Power-boosting device for clamping apparatus of index table
  • Power-boosting device for clamping apparatus of index table
  • Power-boosting device for clamping apparatus of index table

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Embodiment Construction

[0074] The present invention is applied to an index device (that is, an index plate) for indexing the machining angle of a workpiece to be mounted on a machine tool.

[0075] Fig. 1 shows an embodiment of the present invention and shows an example of an index plate 1 to which the present invention is applied. The indexing plate 1 system includes a processing disc 40 on which the workpiece is held directly or via a mounting fixture, and a rotating shaft 4 on which the processing disc 40 is fixed; the rotating shaft 4 is freely rotatably mounted on the frame 7 and is indexed rotate. In addition, as the processing table 40, in addition to the form in which the workpiece holding surface is perpendicular to the rotating shaft 4 as in the present embodiment, the crank form, the rocking table, and the crank form in which the workpiece holding surface of the inclined index table is parallel to the rotating shaft 4 are used. Table form is also applied.

[0076] If the index plate 1 i...

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Abstract

Provided is a power-boosting device for a clamping apparatus of an index table, which can acquire a high clamping force without deteriorating a work treating efficiency and while suppressing the axial length of the clamping apparatus. The power-boosting device (3) boosts the pushing force of a moving member (5) by a plurality of rolling elements (10) guided by a first guide face (6) and a second guide face (8). At least one of the first guide face (6) and the second guide face (8) is formed of such a guide region for the rolling elements (10) as corresponds to the moving procedure of the former period of the moving member (5) and such a guide region for the rolling elements (10) as corresponds to the moving procedure of the latter period. The guide region corresponding to the former period and the guide region corresponding to the latter period change the moving velocity of the rolling elements (10) in the pushing direction (that is, the deceleration degree of the rolling elements (10) relative to the moving member (5)).

Description

technical field [0001] The present invention relates to a booster for boosting the clamping force of the clamping device that restricts the rotation of the rotary shaft of the index plate. Background technique [0002] In an indexing device (that is, an indexing plate) of a machine tool, a clamping device is used to maintain a stationary state of a rotating shaft of a machining table that is indexed and rotated against an external force during workpiece machining. There are various types of clamping devices, and as an example, a clamped member integrally provided on either one of the frame of the index plate and the rotating shaft moves in the axial direction of the rotating shaft. The moving member presses the other, and the rotating shaft and the frame are integrated by the frictional force generated between the other and the pinched member. In this pinching device, the rotating shaft is pinched via the pinched member and relatively non-rotatable with the frame. [0003]...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q16/10B23Q1/28
CPCB23Q16/105B23Q1/28B23Q16/102
Inventor 新田哲也
Owner TSUDAKOMA KOGYO KK
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