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Non-dead point positioning device for lathe

A positioning mechanism, no dead point technology, used in turning equipment, tool holder accessories, metal processing equipment and other directions, can solve the problems of positioning dead point, poor reliability, short service life, etc., to avoid dead points and prolong service life , the effect of strong reliability

Inactive Publication Date: 2008-12-10
沈侠波
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the deficiencies of existing positioning mechanisms for lathes, such as positioning dead points, short service life, and poor reliability, the present invention provides a non-dead point positioning mechanism for lathes that can effectively avoid dead points, prolong service life, and have high reliability.

Method used

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  • Non-dead point positioning device for lathe
  • Non-dead point positioning device for lathe
  • Non-dead point positioning device for lathe

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] refer to Figure 2 to Figure 5 , a positioning mechanism with no dead point for a lathe, comprising a positioning telescopic driving device 1 and a positioning rod 2, the positioning rod 2 is connected to the positioning telescopic driving device 1, and the front end of the positioning rod 2 is connected to the positioning member 7 of the lathe Cooperate, the positioning wheel 3 is installed at the front end of the positioning rod 2, and the positioning bearing 4 is rotatably set outside the positioning wheel 3, and the positioning wheel 3 is installed on the positioning pin 5, and the positioning pin 5 is on the positioning wheel 3 The mounting point is eccentrically structured.

[0021] There is a round hole 6 in the center of the positioning wheel 3, and one of the semicircles of the round hole 6 is tangent to the positioning pin 5 . The positioning telescopic driving device 1 is an air cylinder or an oil cylinder.

[0022] When the convex mouth 8 of the locating p...

Embodiment 2

[0024] refer to figure 2 , Figure 3 and Figure 6 In this embodiment, a pin hole 9 is opened at the eccentric position of the positioning wheel 3, and the positioning pin 5 is installed in the pin hole 9.

[0025] When the protrusion 8 of the locating member 7 just rotated to the same height as the central axis of the locating pin 5, since the locating wheel 3 is eccentrically installed on the locating pin 5, and the locating bearing 4 is sleeved on the locating wheel 3, the protrusion 8 will be cut above the center of circle of the positioning bearing 4, avoiding the "dead point" when the central axis of the positioning pin 5 and the convex notch 8 are at the same height, effectively avoiding the positioning dead point.

[0026] Other structures of this embodiment are the same as those of Embodiment 1.

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PUM

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Abstract

A positioning device without dead point for a lathe comprises a positioning expansible drive device and a positioning rod; wherein, the positioning rod is connected with the positioning expansible drive device; the front end of the positioning rod matches with the positioning pieces of the lathe and is provided with a positioning wheel which is externally and rotationally sheathed with a positioning bearing; the positioning wheel is arranged at a positioning pin which is an eccentric structure at the mounting point of the positioning wheel. A positioning device without dead point for a lathe which has the advantages of effectively avoiding dead points, prolonging working life and having high reliability is provided by the invention.

Description

technical field [0001] The invention relates to auxiliary equipment for a lathe, in particular to a positioning mechanism for a lathe. Background technique [0002] At present, the mechanical braking method adopted by the car factory for precise positioning is that the positioning part has multiple positioning slits, and the positioning mechanism cooperates with the positioning slits, and the connection between two adjacent positioning slits is a protrusion. The positioning mechanism includes a cylinder, a positioning rod and a positioning wheel installed on the front end of the positioning rod. figure 1 , when the roller is in contact with the joint of the protrusion of the positioning part, the height of the protrusion is exactly the same as the height of the central axis of the pin, the roller and the positioning part are stuck, the roller cannot rotate, and there is a positioning "dead point"; therefore , The disadvantages of the existing positioning mechanism: there is...

Claims

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Application Information

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IPC IPC(8): B23B25/00B23B19/02
Inventor 沈侠波冯立本
Owner 沈侠波