Three-directional follow-rest device

A technology of follower tool holder and fixed frame, which is applied in the field of follower tool holder, can solve the problems of screw rod length difference, deformation, etc., and achieve the effects of improving machining accuracy, solving insufficient positioning, and avoiding tool deviation

Inactive Publication Date: 2015-02-04
池州市邦鼐机电科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a three-way tool rest device to solve the problem of length difference and deformation of the screw rod caused by high temperature

Method used

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Embodiment Construction

[0020] In the following, numerous specific details are set forth in order to provide a thorough understanding of the concepts underlying the described embodiments. It will be apparent, however, to one skilled in the art that the described embodiments may be practiced without some or all of these specific details. In other instances, well known processing steps have not been described in detail.

[0021] like figure 1 , figure 2 As shown, it includes a lathe 1, a lead screw 2, a bracket 3, a mandrel 4, a fixed frame 5, a cylinder 6, a telescopic plate 7, a support surface 401, a first mandrel 402, a second mandrel 403, and a third mandrel 404 , the bracket 3 is located on the top of the lathe 1, and the two are connected by threads, the ejector rod 4 is located on the inner wall of the bracket 3, and its shape is cylindrical, and the fixed frame 5 is located on the outer wall of the bracket 3, and its shape is rectangular. 5 at the center of the top, the two are connected b...

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Abstract

The invention discloses a three-directional follow-rest device. The three-directional follow-rest device comprises a lathe, a screw rod, a bracket, ejection rods, a fixing frame, an air cylinder and an expansion plate, wherein the bracket is located at the top of the lathe and is in thread connection with the lathe; the ejection rods are located on the inner wall of the bracket and are of a cylindrical shape; the fixing frame is located on the outer wall of the bracket, is of a rectangular shape, and is connected with the bracket by welding; the air cylinder is located at the top center of the fixing frame and is in thread connection with the fixing frame; the expansion plate is located at the bottom center of the air cylinder and is connected with the air cylinder by welding. Compared with the prior art, the ejection rods are arranged on the inner wall of the bracket of the device in upper, middle and lower directions at an interval of 45-60 degrees so that three-dimensional multidirectional positioning is realized and the problem that the positioning of a traditional two-directional follow-rest is not enough is solved; a cutter back-off deviation phenomenon in a machining process of a screw rod is avoided and the machining precision of the screw rod is extremely improved.

Description

technical field [0001] The invention relates to a steady rest, in particular to a three-way steady rest device. Background technique [0002] The screw drive is widely used in the mechanical field. The screw is a high-precision part and has high requirements for processing. Generally, a follower tool holder is used during processing to ensure that the screw does not shift the tool. However, the traditional follower tool holder has more than two positions. Direction is the up and down oblique direction. In the actual turning process, it is concluded that the up and down two-way support cannot fully realize the positioning effect, which will easily cause the screw to deviate from the tool and eventually lead to dimensional errors or even scrapping of the screw. In view of the above-mentioned defects, it is necessary to design a three-way tool rest device. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a three-way...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q1/76B23B25/00
CPCB23Q1/76
Inventor 胡建东陈平赵永芹
Owner 池州市邦鼐机电科技有限公司
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