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Rotating table type self-centering rotating center frame of lathe

A rotating center and self-centering technology, which is applied in the field of lathe accessories, can solve problems such as jumping easily, achieve the effects of improving machining accuracy, guaranteeing machining stability, and reducing machining difficulty

Pending Publication Date: 2018-12-25
田小东
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to provide a lathe turntable type self-centering rotating steady rest to solve the problem that the workpiece is prone to beating when its radial surface has not been processed during processing, so as to ensure the stability of the workpiece during processing sex

Method used

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  • Rotating table type self-centering rotating center frame of lathe
  • Rotating table type self-centering rotating center frame of lathe
  • Rotating table type self-centering rotating center frame of lathe

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Embodiment Construction

[0035] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0036] Such as Figure 1 to Figure 3 As shown, a lathe turntable-type self-centering rotating center frame includes a mounting base 1 , a bottom plate 2 , a chuck 4 , a bearing seat 5 , and a support rod 6 .

[0037] Wherein, the installation and fixing seat 1 can be made of No. 45 steel, which is used for installation and fixing on the lathe, and its bottom is provided with a trapezoidal chute matching the trapezoidal track on the lathe, and the installation and fixing seat 1 is pulled by a pull plate. Tightly fixed on the lathe rail; the middle part of the mounting and fixing seat 1 is provided with a turntable structure 9, and the bottom plate 2 is fixed on the turning table structure 9 of ...

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PUM

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Abstract

The invention discloses a rotating table type self-centering rotating center frame of a lathe. The rotating table type self-centering rotating center frame comprises an installing fixing base, a bottom plate, a chuck and a bearing pedestal, wherein the installing fixing base is used for being connected with the lathe, and a rotating table structure is arranged in the center of the installing fixing base; the bottom plate is arranged on the rotating table structure of the installing fixing base; the chuck comprises a chuck inner core, three clamping claws used for clamping workpieces, a chuck body, end face thread discs and poking blocks, wherein the chuck body and the chuck inner core are of an integrated structure; the bearing pedestal is fixedly connected with the bottom plate through two stand column rods, a bearing is arranged inside the bearing pedestal, and the chuck inner core is sleeved with an inner ring of the bearing, wherein the chuck can support the workpieces and can rotate synchronously with the workpieces when the workpieces are machined. The chuck in the rotating table type self-centering rotating center frame rotates synchronously along with the workpieces, in this way, there is no friction between the workpieces and the chuck, it is guaranteed that the workpieces can rotate without noise, friction and jump under the condition that the surfaces of the workpieces are not machined, then the machining stability of the workpieces is guaranteed, machining precision is easily improved, and machining difficulty is lowered.

Description

technical field [0001] The invention relates to a lathe accessory, in particular to a lathe turntable type self-centering rotating steady frame. Background technique [0002] At present, there are basically two types of lathe center frames on the market, one is a three-point support center frame, and the other is a hydraulic center frame. [0003] Among them, the three-point support center frame supports the workpiece by adjusting three support rods. Bearings or cast iron friction blocks are installed on the support points, and the workpiece rotates in the three bearings or friction blocks. [0004] However, if the surface of the workpiece has not been processed, the workpiece cannot be well matched with the three support points, resulting in a series of irregular phenomena such as jumping, scratching, heat jamming, and noise during the processing of the workpiece. [0005] Moreover, it is difficult for the three-point supporting steady frame to adjust the center line of ro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q1/76
CPCB23Q1/763
Inventor 田小东
Owner 田小东
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