Row electrode device for micro-hole machining

Abstract

The utility model discloses a row electrode device for micro-hole processing, which comprises an electrode supporting seat and an electrode fixing seat, one side of the electrode supporting seat extends upwards to form a positioning boss, the upper surface of the positioning boss is a positioning cambered surface, and the two sides of the positioning boss are respectively and fixedly connected with a positioning pin shaft. An electrode positioning seat correspondingly matched with the positioning boss is arranged on the surface of the positioning boss, a plurality of uniformly-distributed electrode positioning holes matched with the positioning cambered surface are formed in the electrode positioning seat in the length direction of the electrode positioning seat, the electrode fixing seat is in a T shape, and an electrode mounting block is mounted on the side, corresponding to the electrode positioning seat, of the electrode fixing seat; a plurality of electrode mounting holes are formed in the electrode mounting block, an electrode pressing plate is arranged on the electrode mounting block, a pressing connecting hole is formed in the middle of the electrode supporting seat, and a pressing screw is arranged at the position, corresponding to the pressing connecting hole, of the electrode fixing seat. According to the utility model, rapid installation and positioning of the processing electrode are realized, and the processing efficiency of the micro hole is effectively improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of engine blade processing, and particularly relates to a coupled electrode device for processing micro holes. Background Art

[0002] At present, the engine single blades have been developed into double blades, but the processing of the air film holes between the double blades has become difficult; Figure 3 As shown in the figure, the upper part is the back-connected blade, the lower part is the basin-connected blade, and there are a large number of air film holes in the middle. The size and direction of the electrodes used to process these air film holes are marked in the figure. When processing air film holes with existing stacked electrodes, it takes a lot of time to position and clamp the stacked electrodes, resulting in low processing efficiency. Utility Model Content

[0003] The technical problem to be solved by the present invention is to address the deficiencies of the above-mentioned prior art and to provide a coupled electrode device for micro-hole processing, which can realize rapid positioning and clamping of the coupled electrodes, thereby effectively improving the processing efficiency.

[0004] The technical solution adopted by the utility model is: a row of electrodes for processing micro-holes, comprising an electrode support seat and an electrode fixing seat, one side of the electrode support seat extends upward to form a positioning boss, the upper surface of the positioning boss is a positioning arc surface, and positioning pins are fixedly connected to both sides of the positioning boss, the surface of the positioning boss is provided with an electrode positioning seat corresponding to it, positioning pin holes corresponding to the positioning pins are opened on both sides of the electrode positioning seat, and a number of evenly distributed electrode positioning holes matching the positioning arc surface are opened on the electrode positioning seat along its length direction. When the electrode positioning seat is installed on the positioning boss, the top of the positioning pin hole extends out of the top surface of the electrode positioning seat, and the bottom surface of the electrode positioning seat fits with the positioning arc surface;

[0005] The electrode fixing seat is T-shaped, and an electrode mounting block is installed on one side of the electrode fixing seat corresponding to the electrode positioning seat. Positioning mounting holes corresponding to the positioning pin shafts are opened on both sides of the bottom of the electrode mounting block. Several electrode mounting holes corresponding to the electrode positioning holes and passing through the electrode mounting block are opened on the electrode mounting block along its length direction. An electrode clamping plate is provided on the electrode clamping plate, and several locking screws are evenly arranged on the electrode clamping plate along its length direction. Locking holes are opened on the electrode mounting block at positions corresponding to the locking screws;

[0006] A compression connection hole is provided in the middle of the electrode support seat, and a compression screw is provided on the electrode fixing seat at a position corresponding to the compression connection hole.

[0007] Preferably, one end of the electrode fixing seat away from the electrode mounting seat is detachably connected to a connecting rod for clamping the machine tool.

[0008] Preferably, the electrode fixing seat and the electrode mounting seat are integrally formed.

[0009] Preferably, a height compensation platform is formed on a surface of the electrode support seat on one side away from the positioning boss.

[0010] The beneficial effect of the present invention is that the present invention can quickly install the electrode through the cooperation of the electrode mounting block, the electrode positioning seat and the positioning arc surface, and perform reference positioning on the lower end surface of the electrode to form a processing arc. After positioning, the electrode is pressed by the electrode clamping plate to fix the position of the electrode, thereby realizing the rapid installation and positioning of the processing electrode, and effectively improving the processing efficiency of small holes. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is an explosion diagram of the utility model;

[0012] Figure 2 This is a structural diagram of the electrode support seat of the utility model;

[0013] Figure 3 This is a schematic structural diagram of the electrode fixing seat of the utility model;

[0014] Figure 4 This is a schematic diagram of the structure of the utility model when assembled;

[0015] Figure 5 This is a structural diagram of the utility model after the electrode is positioned and installed.

[0016] In the figure: 1. Electrode support seat; 2. Electrode fixing seat; 3. Positioning boss; 4. Positioning arc surface; 5. Positioning pin; 6. Electrode positioning seat; 7. Electrode positioning hole; 8. Electrode mounting block; 9. Positioning mounting hole; 10. Electrode mounting hole; 11. Electrode clamping plate; 12. Locking screw; 13. Clamping connection hole; 14. Clamping screw; 15. Connecting rod; 16. Height compensation platform. DETAILED DESCRIPTION

[0017] The present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments.

[0018] Example

[0019] like Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 As shown, the electrode arrangement device for micro-hole machining provided in this embodiment includes an electrode support seat 1 and an electrode fixing seat 2;

[0020] One side of the electrode support seat 1 extends upward to form a positioning boss 3, and the other side surface is formed with a height compensation platform 16. The upper surface of the positioning boss 3 is a positioning camber 4, that is, the surface of the positioning table is arc-shaped, and the curvature corresponds to the curvature of the basin-linked blade of the double blade to be processed; the two sides of the surface of the positioning boss 3 are fixedly connected with positioning pins 5, and in this embodiment, the two positioning pins 5 are symmetrically arranged about the midpoint of the positioning boss 3; the surface of the positioning boss 3 is provided with an electrode positioning seat 6 that matches it, that is, the lower surface of the electrode positioning seat 6 corresponds to the surface curvature of the positioning boss 3, and at the same time, positioning pin holes are respectively opened on both sides of the electrode positioning seat 6 corresponding to the positioning pins 5, and the positioning pin holes penetrate the electrode positioning in the vertical direction. The electrode positioning seat 6 is provided, and a number of electrode positioning holes 7 are evenly opened along the length direction of the electrode positioning seat 6 between the two positioning pin holes. The line connecting the centers of the electrode positioning holes 7 and the midline of the length direction of the positioning arc surface 4 are located in the same vertical plane. In this embodiment, there are 28 electrode positioning holes 7, the diameter of each electrode positioning hole 7 is 0.5 mm, and the length of the connection line of all electrode positioning holes 7 is controlled between 15 mm and 20 mm; the electrode positioning seat 6 is positioned and installed on the surface of the positioning boss 3 through the positioning pin holes. After the assembly is completed, the bottom surface of the electrode positioning seat 6 is in contact with the surface of the positioning boss 3, and the top end of the positioning pin shaft 5 passes through the surface of the electrode positioning seat 6; the design of the electrode support seat 1 is mainly to facilitate the rapid positioning of the installed electrode;

[0021] The electrode fixing seat 2 is located above the electrode supporting seat 1, and the electrode fixing seat 2 is T-shaped. An electrode mounting block 8 is integrally formed on one side of the electrode fixing seat 2 corresponding to the electrode positioning seat 6. Positioning mounting holes 9 corresponding to the positioning pin shaft 5 are opened on both sides of the bottom of the electrode mounting block 8. The electrode mounting block 8 is positioned and installed on the surface of the electrode positioning seat 6 through the positioning mounting holes 9. After installation, the surface of the electrode positioning seat 6 is fitted with the bottom surface of the electrode mounting block 8. Several electrode mounting holes 10 corresponding to the electrode positioning holes 7 are opened on the electrode mounting block 8 along its length direction. Several electrode mounting holes 10 are set through the electrode mounting block 8, and several electrode mounting holes 10 It matches the electrode positioning holes 7 one by one, that is, after the electrode mounting block 8 is installed in the electrode positioning seat 6, the electrode positioning holes 7 are aligned one by one with the electrode mounting holes 10 and are connected; the electrode mounting block 8 is also provided with an electrode clamping plate 11, and the electrode clamping plate 11 is evenly provided with several locking screws 12 along its length direction, and locking holes are opened on the electrode mounting block 8 corresponding to the locking screws 12; the end of the electrode fixing seat 2 away from the electrode mounting block 8 is connected to the connecting rod 15, the bottom end of the connecting rod 15 is a U-shaped groove that matches the end of the electrode fixing seat 2, the electrode fixing seat 2 is located in the U-shaped groove at the bottom end of the connecting rod 15, and the electrode fixing seat 2 and the connecting rod 15 are fixed by screws;

[0022] A tightening connection hole 13 is opened in the middle of the electrode support seat 1, and a tightening screw 14 is provided on the electrode fixing seat 2 corresponding to the tightening connection hole 13; when the electrode mounting block 8 is installed on the surface of the electrode positioning seat 6, the bottom surface of the electrode mounting block 8 is in contact with the surface of the positioning seat, and the bottom surface of the end of the electrode fixing seat 2 away from the electrode mounting block 8 is in contact with the surface of the height compensation platform 16, and then the electrode fixing seat 2 is tightened and connected to the electrode support seat 1 by cooperating with the tightening screw 14 and the tightening connection hole 13.

[0023] When in use, first assemble the electrode fixing seat 2 and the electrode support seat 1, that is, quickly position and assemble the electrode mounting block 8 through the top of the positioning pin shaft 5. After the assembly is completed, use the clamping screw 14 and the clamping connection hole 13 to press and assemble the electrode fixing seat 2 on the electrode support seat 1, remove the electrode clamping plate 11, and put each electrode into each electrode mounting hole 10 in turn. After the electrode passes through the electrode mounting hole 10 and penetrates the electrode positioning hole 7, the bottom end of the electrode falls on the surface of the positioning arc surface 4. After all the electrodes are installed, the bottom ends of all electrodes will form an arc end surface consistent with the curvature of the positioning arc surface 4 At this time, the top ends of all electrodes pass through the surface of the electrode mounting hole 10. After bending each electrode, use the electrode clamping plate 11 to press on the bent surface of the electrode, and then use the locking screw 12 and the locking hole on the motor mounting block to lock the electrode clamping plate 11. After locking, the electrode is clamped and fixed, completing the positioning and installation of the electrode on the electrode fixing seat 2. Finally, loosen the clamping screw 14, move the electrode fixing seat 2 upward, and separate the electrode fixing seat 2 from the electrode support seat 1. After separation, the connecting rod 15 can be clamped by the chuck of the electric pulse machine tool to perform micro-hole processing on the engine blade.

[0024] The above is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any modification and replacement based on the technical solution and utility model concept provided by the present invention should be included in the protection scope of the present invention.

Claims

1. A coupled electrode device for micro-hole machining, characterized in that: The invention comprises an electrode support seat (1) and an electrode fixing seat (2), wherein one side of the electrode support seat (1) extends upward to form a positioning boss (3), the upper surface of the positioning boss (3) is a positioning arc surface (4), and positioning pin shafts (5) are fixedly connected to both sides of the positioning boss (3), and an electrode positioning seat (6) corresponding to the positioning boss (3) is provided on the surface of the positioning boss (3), and positioning pin holes corresponding to the positioning pin shafts (5) are opened on both sides of the electrode positioning seat (6), and a plurality of evenly distributed electrode positioning holes (7) matching the positioning arc surface (4) are opened on the electrode positioning seat (6) along its length direction. When the electrode positioning seat (6) is installed on the positioning boss (3), the top of the positioning pin hole extends out of the top surface of the electrode positioning seat (6), and the bottom surface of the electrode positioning seat (6) is in contact with the positioning arc surface (4); The electrode fixing seat (2) is T-shaped, and an electrode mounting block (8) is installed on one side of the electrode fixing seat (2) corresponding to the electrode positioning seat (6), and positioning mounting holes (9) corresponding to the positioning pin shaft (5) are opened on both sides of the bottom of the electrode mounting block (8), and a plurality of electrode mounting holes (10) corresponding to the electrode positioning holes (7) and passing through the electrode mounting block (8) are opened on the electrode mounting block (8) along its length direction. An electrode clamping plate (11) is provided on the electrode clamping plate (11), and a plurality of locking screws (12) are evenly arranged on the electrode clamping plate (11) along its length direction. A locking hole is opened on the electrode mounting block (8) at a position corresponding to the locking screw (12); A pressing connection hole (13) is provided in the middle of the electrode support seat (1), and a pressing screw (14) is provided on the electrode fixing seat (2) at a position corresponding to the pressing connection hole (13).

2. The micro-hole machining electrode arrangement device according to claim 1, characterized in that: One end of the electrode fixing seat (2) away from the electrode mounting seat is detachably connected to a connecting rod (15) for clamping the machine tool.

3. The micro-hole machining electrode arrangement device according to claim 1, characterized in that: The electrode fixing seat (2) and the electrode mounting seat are integrally formed.

4. The micro-hole machining electrode arrangement device according to claim 1, characterized in that: A height compensation platform (16) is formed on the surface of one side of the electrode support seat (1) away from the positioning boss (3).

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