A device for pulse electrochemical precision hole reaming of elongated inner holes
An electrochemical and internal hole technology, applied in the direction of electrochemical processing equipment, metal processing equipment, manufacturing tools, etc., to achieve the effect of smooth rotation, guaranteed sealing, and precision machining
Active Publication Date: 2017-08-01
DALIAN UNIV OF TECH
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Problems solved by technology
However, there is currently a lack of a simple, economical and precise electrochemical machining method to realize the machining of special position holes such as reaming in the middle of elongated holes.
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[0014] The present invention will be further described in detail below in conjunction with the accompanying drawings and preferred embodiments. In this embodiment, the electrode is tightened and fixed, the two ends of the slender shaft are sealed by a dynamic sealing device, and the middle part is supported by a rubber wheel, which rotates and moves horizontally to realize hole reaming.
[0015] Such as Figure 1~4 As shown, the electrochemical precision hole reaming device includes a dynamic sealing device 1, a pressure plate 2, a stepping motor 4, a rubber wheel 5, an electrode support frame 6, a fixed table 7, a linear guide rail 8, a mobile table 9, a linear motor 10, Support plate 11, bearing wheel 12, electrode 13; fixed workbench 7 is installed on the marble table top, electrode support frame 6 is made up of a triangular vertical plate and bottom plate, vertical plate and bottom plate are connected at 90° by welding, and are symmetrical between Two reinforcing ribs are...
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The invention belongs to the field of special processing, and relates to a device for performing pulse electrochemical precise hole reaming on an elongated inner hole. The structure of the device is as follows: the electrode support frame is symmetrically fixed on both ends of the fixed worktable, the linear guide rail is symmetrically installed on the fixed worktable, between the two electrode support frames; the mobile worktable is installed on the linear guide rail, and the linear motor is installed on the fixed worktable. Between the worktable and the mobile worktable, and between the two linear guide rails; the supporting plates are evenly distributed and fixed on the mobile worktable side by side, and two bearing wheels are installed horizontally on the side of the supporting plate; Install the rubber wheel, and install the bearing wheel on the side of the remaining pressure plates. The rubber wheel is connected with the stepping motor, and the two dynamic sealing devices are installed on the vertical plate of the electrode support frame. The electrode passes through the inner hole of the workpiece, straddles the two electrode supports, and is tightened by the thread. The invention has a simple and compact structure, and can meet the economical, stable and precise processing requirements of slender shaft parts.
Description
technical field [0001] The invention belongs to the field of special processing, and relates to a device for performing pulse electrochemical precision hole reaming on elongated inner holes. Background technique [0002] Slender holes are widely used in aerospace and other fields. At present, machining methods such as deep hole drilling are mainly used for machining elongated holes, but it is difficult to realize elongated holes of difficult-to-machine materials such as stainless steel and titanium alloys by machining, especially stepped holes. Conventional machining methods have problems such as easy skewing of the machining axis, poor rigidity of the tool holder, poor heat dissipation of the tool, easy wear, and difficult chip removal when machining slender holes. The electrochemical machining method does not generate mechanical force, the machining tool is not easy to deform and wear, and can process hard and brittle materials with high machining accuracy and good surfac...
Claims
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IPC IPC(8): B23H3/00B23H9/14
Inventor 刘新田明鑫杨晓龙张京超黄帅陈发泽徐文骥
Owner DALIAN UNIV OF TECH