CN111843082A

CN111843082A - ECM device for electrochemical machining of narrow groove

Info

Publication number: CN111843082A
Application number: CN202010714283.1A
Authority: CN
Inventors: 马新国
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-22
Filing date: 2020-07-22
Publication date: 2020-10-30

Abstract

The invention discloses an ECM device for electrochemically machining a narrow groove, relates to the technical field of narrow groove machining, and solves the problems that the ECM device used at present is simple in structure and not beneficial to assembly, generally only two groups of electrodes penetrate through the narrow groove for electrolytic machining, and does not have the function of rapidly and uniformly stirring electrolyte. An ECM apparatus for electrochemically machining a narrow groove, comprising a base; the base also comprises a vertical plate and a through groove; a vertical plate is integrally arranged at the top vertical plate at the rear side of the base, and a through groove is formed in the middle of the bottom of the vertical plate; the rear lower part of the vertical plate is rotatably provided with a lead screw A through a shaft bracket structure, the top of the lead screw A is fixedly provided with a bevel gear, the ECM device is set into a machining device assembled by vertically assembling and superposing, an electrolysis bin, a material placing frame and an electrolysis device can be divided into three parts and vertically aligned according to needs, and the assembly is convenient to control.

Description

ECM device for electrochemical machining of narrow groove

Technical Field

The invention relates to the technical field of narrow groove machining, in particular to an ECM device for electrochemically machining a narrow groove.

Background

ECM is an electrochemical process that has been an important branch of machine fabrication since the 20 th century, 50 s, and over half a century of development. Electrolytic machining is applied to military industry at the earliest time in China, with the development of high and new technologies and the development of novel military products, parts of novel difficult-to-machine materials, high precision, high surface quality and complex-shaped thin-wall integral structures are increasing day by day, and a wider application prospect is developed for electrolytic machining.

A search for, for example, patent No. CN202943344U discloses an ECM apparatus for electrochemically machining narrow grooves. The invention comprises power supply equipment and a base, wherein the base is provided with a rack, and the invention is characterized in that the base is provided with a fixed seat for containing a part to be processed, the rack is provided with a lifting sliding seat, the lifting sliding seat is positioned above the fixed seat, the lifting sliding seat is internally provided with a vibration mechanism, and the bottom of the lifting sliding seat is provided with an electrode clamp and a tool electrode. The invention can effectively remove the passive film to protect the tool electrode and prolong the service life. By adopting a high-frequency narrow pulse power supply, no residual internal stress in the part can be effectively ensured, so that a narrower groove distance can be obtained, and the product quality can be improved.

However, the ECM device structure that uses at present is simply unfavorable for the assembly, generally only runs through the narrow groove through two sets of electrodes and carries out electrochemical machining, does not possess the function with the quick even stirring of electrolyte, does not possess the subassembly of swift lift combination processing, does not report the function of adjusting the processing position according to the frock, consequently, does not satisfy current demand, to this we provide the ECM device of electrochemical machining narrow groove.

Disclosure of Invention

Problem (A)

The invention aims to provide an ECM device for electrochemically machining a narrow groove, and the ECM device is used for solving the problems that the conventional ECM device in the background art is simple in structure and not beneficial to assembly, generally only two groups of electrodes penetrate through the narrow groove for electrochemical machining, does not have the function of quickly and uniformly stirring electrolyte, does not have a component for quickly lifting and combining machining, and does not report the function of adjusting the machining position according to a tool.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: an ECM apparatus for electrochemically machining a narrow groove, comprising a base; the base also comprises a vertical plate and a through groove; a vertical plate is integrally arranged at the top vertical plate at the rear side of the base, and a through groove is formed in the middle of the bottom of the vertical plate; the lower part of the rear side of the vertical plate is rotatably provided with a lead screw A through a shaft bracket structure, and the top of the lead screw A is fixedly provided with a bevel gear; a transmission shaft A is rotatably arranged in the middle of the rear side of the vertical plate through a bearing, a hand wheel is fixedly arranged at the outer end of the transmission shaft A, a bevel gear is fixedly arranged at the inner end of the transmission shaft A, and the inner end of the transmission shaft A is in transmission connection with the top of the lead screw A through the bevel gear; an electrolytic bin is arranged at the bottom of the front side of the vertical plate in a sliding manner; a material placing frame is fixedly arranged in the middle of the front side of the vertical plate; the upper part of the rear side of the vertical plate is rotatably provided with a lead screw B through a shaft bracket structure, and the outer end of the lead screw B is fixedly provided with a hand wheel; a transmission shaft B is rotatably arranged at the top of the rear side of the vertical plate through a bearing, a hand wheel is fixedly arranged on the outer side of the transmission shaft B, a bevel gear is fixedly arranged at the inner end of the transmission shaft B, and the inner end of the transmission shaft B is in transmission connection with the top of the lead screw B through the bevel gear; and an electrolysis device is arranged on the front side of the top of the vertical plate in a sliding manner.

Preferably, the electrolysis bin further comprises a circulating bin, a circulating shaft, a sliding block, a nut block A and an assembling bolt; the main body of the electrolysis bin is of a square groove structure, and the front end of the electrolysis bin is integrally provided with a circulating bin; a circular through groove is formed in the circulating bin, a circulating shaft is rotatably arranged on one side of the circular through groove penetrating through the circulating bin in a matched manner with the waterproof bearing, and a hand wheel is fixedly arranged at the outer end of the circulating shaft; both ends of the electrolysis bin are provided with pipelines which are communicated with the circulating bin; the bottom of the rear side of the electrolytic bin is integrally provided with a sliding block, and the rear side of the sliding block is fixedly provided with a nut block A through an assembling bolt; the electrolysis bin is arranged in the through groove in a sliding mode through the sliding block matched with the nut block A.

Preferably, the discharging frame further comprises a mounting groove, a strip-shaped hole, an insert block, a connecting rod, a nut block B, a short screw and a manual driving wheel; mounting grooves are formed in the front ends of the two sides of the material placing frame, and an assembling underframe is arranged in the mounting grooves in a sliding mode; the front ends of the two sides of the material placing frame are both provided with strip-shaped holes; a strip-shaped through groove is formed in the middle of the front side of the material placing frame, two groups of inserting blocks are slidably arranged in the strip-shaped through groove, and two ends of each inserting block penetrate through the strip-shaped hole; the inner sides of the inserting blocks are respectively provided with connecting rods in a rotating manner through a hinge joint, and the inner ends of the two groups of connecting rods are respectively provided with a nut block B in a rotating manner through a hinge joint; the top of the material placing frame penetrates through the strip-shaped through groove to be rotatably provided with a short screw rod, and the short screw rod is in threaded connection with the screw nut block B; and a hand-driven wheel is fixedly arranged at the top of the short screw rod.

Preferably, the assembly chassis further comprises a bushing plate and a sliding sheet; a bushing plate is integrally arranged at the bottom of the assembly underframe, and a leakage hole is formed in the bushing plate; the top both sides homogeneous body formula of assembly chassis is provided with two sets of gleitbretters, and the assembly chassis passes through the gleitbretter and slides and set up in the mounting groove.

Preferably, a reinforcing frame is arranged on the inner side of the assembling underframe in a sliding fit manner; two sides of the reinforcing frame are of U-shaped structures; the middle of the reinforcing frame is provided with a tooling box in a fitting and sliding manner.

Preferably, the tool box further comprises a threaded cylinder and a fixed block; the inner parts of the two sides of the tooling box are both of through hole structures; two groups of threaded cylinders are uniformly arranged in the front side and the rear side of the tool box in a integrated manner, and the inner ends of the threaded cylinders are fixedly provided with fixed blocks through threaded connection; the inner ends of the fixed blocks are all in a conical structure; the outer side of the fixed plugging block is of a jackscrew structure.

Preferably, the frame structure is integrally arranged at the top of the rear side of the electrolysis device, the threaded seat is integrally arranged at the rear side of the frame structure, and the threaded seat is in threaded connection with the lead screw B.

Preferably, the electrolysis device further comprises an adjusting sliding frame, a fixed shaft rod, a sheet electrode, an insulating sheet and a scale plate; two groups of chutes are formed in the bottom of the electrolysis device in a penetrating manner and penetrate through the front side and the rear side, and blocking pieces are fixedly arranged at two ends of each chute; the bottom of the electrolysis device is provided with two groups of adjusting sliding frames in a sliding manner through sliding grooves, the adjusting sliding frames are both of concave structures, and two sides of the bottom of each adjusting sliding frame are connected with fixed shaft rods; the bottom of the fixed shaft lever is fixedly provided with a sheet electrode and is conductive, and the outer side of the cylindrical surface of the fixed shaft lever is coated with insulating paint; the bottom of the inner side of each sheet electrode is fixedly provided with an insulating sheet; the fixed shaft levers are internally provided with circuits and penetrate through the top of one side of the adjusting sliding frame to be connected with the electrolysis device; the top of the other side of the adjusting sliding frame is provided with a square cone point structure, and the outer part of the electrolysis device at the same side of the square cone point structure is fixedly provided with a scale plate.

(III) advantageous effects

The invention provides an ECM device for electrochemically machining a narrow groove, which is provided with a lead screw A and a lead screw B, is a machining device assembled in an up-and-down assembly type overlapping mode, can divide an electrolysis bin, a material placing frame and an electrolysis device into three parts according to requirements and vertically align, and is convenient to control and assemble.

Secondly, the setting of electrolysis storehouse provides circulation function for electrolyte, can utilize the circulation axle to drive screw propeller when electrolytic machining, carries out the folk prescription with electrolyte and carries out the folk prescription to the transport, and the electrolyte to the narrow groove position of work piece carries out the washing away that lasts slowly, makes electrolyte even, for the electrolysis provides the auxiliary capacity, simultaneously can be by staff self-adjustment screw propeller's rotational speed accelerate the circulation rate of electrolyte as required.

Moreover, the setting of adjusting the sliding frame provides convenient nimble roll adjustment function for the ECM device, can adjust the position of sheet electrode so that the laminating inserts in the work piece narrow groove through the position of adjusting the sliding frame, and the shape of sheet electrode is longer simultaneously, and the area that can electrolyze simultaneously is great, has promoted electrolysis efficiency, and the inboard of sheet electrode all sets up the insulating piece, can guarantee that the circular telegram position of sheet electrode reaches the innermost completion electrolysis of narrow groove.

Drawings

FIG. 1 is a schematic perspective view of an embodiment of the present invention;

FIG. 2 is a schematic perspective front view of an embodiment of the present invention;

FIG. 3 is a schematic perspective side view of an embodiment of the present invention;

FIG. 4 is a schematic bottom view of the embodiment of the present invention;

FIG. 5 is a schematic perspective exploded view of an embodiment of the present invention;

FIG. 6 is a schematic perspective view of an electrolytic cell according to an embodiment of the present invention;

FIG. 7 is an enlarged partial structural view of part A in the embodiment of the present invention;

FIG. 8 is an enlarged partial structural view of a portion B in the embodiment of the present invention;

in fig. 1 to 8, the correspondence between the part names or lines and the reference numbers is:

1. a base; 101. A vertical plate; 102. A through groove; 2. A lead screw A; 3. A transmission shaft A; 4. An electrolysis bin; 401. Circulating the bin; 402. a circulating shaft; 403. A slider; 404. A nut block A; 405. Assembling a bolt; 5. A material placing frame; 501. Mounting grooves; 502. A strip-shaped hole; 503. Inserting a block; 504. A connecting rod; 505. A nut block B; 506. A short lead screw; 507. A manual driving wheel; 6. assembling a bottom frame; 601. a bushing; 602. Sliding blades; 7. A reinforcing frame; 8. Boxing; 801. A threaded barrel; 802. Fixing the plugging block; 9. A lead screw B; 10. a transmission shaft B; 11. An electrolysis device; 1101. Adjusting the sliding frame; 1102. Fixing the shaft lever; 1103. A sheet electrode; 1104. An insulating sheet; 1105. A scale plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1 to 8, an embodiment of the present invention includes: an ECM apparatus for electrochemical machining of narrow grooves comprises a base 1; the base 1 also comprises a vertical plate 101 and a through groove 102; a vertical plate 101 is integrally arranged at the top vertical plate 101 at the rear side of the base 1, and a through groove 102 is formed in the middle of the bottom of the vertical plate 101; the lower part of the rear side of the vertical plate 101 is rotatably provided with a lead screw A2 through a shaft bracket structure, and the top of the lead screw A2 is fixedly provided with a bevel gear; a transmission shaft A3 is rotatably arranged in the middle of the rear side of the vertical plate 101 through a bearing, a hand wheel is fixedly arranged at the outer end of the transmission shaft A3, a bevel gear is fixedly arranged at the inner end of the transmission shaft A3, and the inner end of the transmission shaft A3 is in transmission connection with the top of a lead screw A2 through the bevel gear; the bottom of the front side of the vertical plate 101 is provided with an electrolytic bin 4 in a sliding way; the electrolytic bin 4 further comprises a circulating bin 401, a circulating shaft 402, a sliding block 403, a nut block A404 and an assembling bolt 405; the main body of the electrolytic bin 4 is of a square groove structure, and the front end of the electrolytic bin 4 is integrally provided with a circulating bin 401; a circular through groove is formed in the circulating bin 401, a circulating shaft 402 is rotatably arranged on one side of the circular through groove penetrating through the circulating bin 401 in a manner of matching with a waterproof bearing, and a hand wheel is fixedly arranged at the outer end of the circulating shaft 402; a spiral propeller is connected and arranged inside the circulating bin 401 of the circulating shaft 402; two ends of the electrolysis bin 4 are both provided with pipelines which are communicated with the circulating bin 401; a sliding block 403 is integrally arranged at the bottom of the rear side of the electrolytic bin 4, and a nut block A404 is fixedly arranged at the rear side of the sliding block 403 through an assembling bolt 405; the electrolytic bin 4 is arranged in the through groove 102 in a sliding manner through a sliding block 403 matched with a nut block A404; a material placing frame 5 is fixedly arranged in the middle of the front side of the vertical plate 101; the discharging frame 5 further comprises an installation groove 501, a strip-shaped hole 502, an insertion block 503, a connecting rod 504, a nut block B505, a short screw 506 and a manual driving wheel 507; the front ends of the two sides of the material placing frame 5 are respectively provided with a mounting groove 501, and an assembly underframe 6 is slidably arranged in the mounting grooves 501; the assembly chassis 6 further comprises a bushing 601 and a slide sheet 602; a bushing 601 is integrally arranged at the bottom of the assembly underframe 6, and a leak hole is formed in the bushing 601; two groups of sliding pieces 602 are integrally arranged on two sides of the top of the assembly chassis 6, and the assembly chassis 6 is arranged in the mounting groove 501 in a sliding manner through the sliding pieces 602; wherein, the inner side of the assembly underframe 6 is provided with a reinforcing frame 7 in a sliding fit manner; two sides of the reinforcing frame 7 are of U-shaped structures; the middle of the reinforcing frame 7 is provided with a tooling box 8 in a fitting and sliding manner; the tool box 8 further comprises a threaded cylinder 801 and a fixed block 802; the inner parts of the two sides of the tooling box 8 are both of through hole structures; two groups of threaded cylinders 801 are uniformly arranged in the front side and the rear side of the tooling box 8, and the inner ends of the threaded cylinders 801 are fixedly provided with fixed blocks 802 through threaded connection; the inner ends of the fixed blocks 802 are all conical structures; the outer sides of the fixed blocks 802 are all of jackscrew structures; the front ends of the two sides of the material placing frame 5 are both provided with strip-shaped holes 502; a strip-shaped through groove is formed in the middle of the front side of the material placing frame 5, two groups of inserting blocks 503 are slidably arranged in the strip-shaped through groove, and two ends of each inserting block 503 penetrate through the strip-shaped holes 502; the inner sides of the insertion blocks 503 are rotatably provided with connecting rods 504 through hinge connection, and the inner ends of the two groups of connecting rods 504 are rotatably provided with nut blocks B505 through hinge connection; the top of the material placing frame 5 penetrates through the strip-shaped through groove to be rotatably provided with a short screw 506, and the short screw 506 is in threaded connection with the screw block B505; a manual driving wheel 507 is fixedly arranged at the top of the short screw rod 506; the upper part of the rear side of the vertical plate 101 is rotatably provided with a lead screw B9 through a shaft bracket structure, and the outer end of a lead screw B9 is fixedly provided with a hand wheel; a transmission shaft B10 is rotatably arranged at the top of the rear side of the vertical plate 101 through a bearing, a hand wheel is fixedly arranged on the outer side of the transmission shaft B10, a bevel gear is fixedly arranged at the inner end of the transmission shaft B10, and the inner end of the transmission shaft B10 is in transmission connection with the top of a lead screw B9 through the bevel gear; the top front sides of the risers 101 are slidably provided with electrolyzers 11.

Wherein, the rear side top integral type of electrolytic device 11 is provided with the frame construction, and the rear side integral type of frame construction is provided with the screw thread seat, screw thread seat and lead screw B9 threaded connection.

Wherein, the electrolysis device 11 further comprises an adjusting sliding frame 1101, a fixed shaft 1102, a sheet electrode 1103, an insulating sheet 1104 and a scale 1105; two groups of chutes are formed in the bottom of the electrolysis device 11 and penetrate through the front side and the rear side of the electrolysis device, and blocking pieces are fixedly arranged at two ends of each chute; the bottom of the electrolysis device 11 is provided with two groups of adjusting sliding frames 1101 in a sliding manner through sliding grooves, the adjusting sliding frames 1101 are both of a concave structure, and two sides of the bottom of the adjusting sliding frames 1101 are both connected with fixed shaft rods 1102; the bottom of the fixed shaft 1102 is fixedly provided with a sheet electrode 1103 and is conductive, and the outer side of the cylindrical surface of the fixed shaft 1102 is coated with insulating paint; the bottom of the inner side of the sheet electrode 1103 is fixedly provided with an insulating sheet 1104; the fixed shaft lever 1102 is internally provided with a line and penetrates through the top of one side of the adjusting sliding frame 1101 to be connected with the electrolysis device 11; the top of the other side of the adjusting sliding frame 1101 is provided with a square cone tip structure, a jackscrew is arranged outside the adjusting sliding frame 1101 on the same side, and a scale plate 1105 is fixedly arranged outside the electrolysis device 11 on the same side of the square cone tip structure.

The working principle is as follows: when the die assembling device is used, the die is placed into a tool packing box 8, a tool is used for rotating a fixed block 802 to tightly push and fix a workpiece inwards, the tool packing box 8 is placed into a reinforcing frame 7, the reinforcing frame 7 is placed into an assembling underframe 6, the assembling underframe 6 is pushed into a mounting groove 501, a manual driving wheel 507 is rotated, a screw block B505 is lowered through a short lead screw 506, and an insertion block 503 is pushed to two side strip-shaped holes 502 through a connecting rod 504 to fix the assembling underframe 6.

And rotating the transmission shaft B10, driving the lead screw B9 to rotate through the transmission shaft B10, lowering the electrolysis device 11 by utilizing thread transmission, adjusting the positions of the two groups of adjusting sliding frames 1101, moving the sheet electrode 1103 to a position where the sheet electrode can be inserted into a narrow groove of a workpiece, and continuing to lower the electrolysis device 11 to insert the sheet electrode 1103 into the narrow groove to finish the arrangement of the machining position.

The transmission shaft A3 is rotated, the lead screw A2 is driven to rotate through the transmission shaft A3, the electrolytic bin 4 is lifted by screw transmission, the electrolyte in the electrolytic bin 4 wraps the workpiece, at the moment, the sheet electrodes 1103 are respectively connected with the positive and negative electrodes of a group of circuits to be connected, and the inner surface of the narrow groove is subjected to electrolytic machining.

During the electrolytic machining, the electrolyte is rotated by manually rotating the circulation shaft 402, so that the electrolyte flows uniformly, and the amplitude of rotating the circulation shaft 402 is 8-10 circles per minute.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An ECM apparatus for electrochemically machining a slot, comprising: comprises a base (1); the base (1) further comprises a vertical plate (101) and a through groove (102); a vertical plate (101) is integrally arranged on the top vertical plate (101) at the rear side of the base (1), and a through groove (102) is formed in the middle of the bottom of the vertical plate (101); the lower part of the rear side of the vertical plate (101) is rotatably provided with a lead screw A (2) through a shaft bracket structure, and the top of the lead screw A (2) is fixedly provided with a bevel gear; a transmission shaft A (3) is rotatably arranged in the middle of the rear side of the vertical plate (101) through a bearing, a hand wheel is fixedly arranged at the outer end of the transmission shaft A (3), a bevel gear is fixedly arranged at the inner end of the transmission shaft A (3), and the inner end of the transmission shaft A (3) is in transmission connection with the top of the lead screw A (2) through the bevel gear; an electrolytic bin (4) is arranged at the bottom of the front side of the vertical plate (101) in a sliding manner; a material placing frame (5) is fixedly arranged in the middle of the front side of the vertical plate (101); the upper part of the rear side of the vertical plate (101) is rotatably provided with a lead screw B (9) through a shaft bracket structure, and the outer end of the lead screw B (9) is fixedly provided with a hand wheel; a transmission shaft B (10) is rotatably arranged at the top of the rear side of the vertical plate (101) through a bearing, a hand wheel is fixedly arranged on the outer side of the transmission shaft B (10), a bevel gear is fixedly arranged at the inner end of the transmission shaft B (10), and the inner end of the transmission shaft B (10) is in transmission connection with the top of a lead screw B (9) through the bevel gear; the top front side of the vertical plate (101) is provided with an electrolysis device (11) in a sliding manner.

2. An ECM apparatus according to claim 1 in which: the electrolytic bin (4) further comprises a circulating bin (401), a circulating shaft (402), a sliding block (403), a nut block A (404) and an assembling bolt (405); the main body of the electrolysis bin (4) is of a square groove structure, and the front end of the electrolysis bin (4) is integrally provided with a circulating bin (401); a circular through groove is formed in the circulating bin (401), a circulating shaft (402) is rotatably arranged on one side, penetrating through the circulating bin (401), of the circular through groove in a matched mode with the waterproof bearing, and a hand wheel is fixedly arranged at the outer end of the circulating shaft (402); two ends of the electrolysis bin (4) are respectively provided with a pipeline which is communicated with the circulating bin (401); the bottom of the rear side of the electrolytic bin (4) is integrally provided with a sliding block (403), and the rear side of the sliding block (403) is fixedly provided with a nut block A (404) through an assembling bolt (405); the electrolytic bin (4) is arranged in the through groove (102) in a sliding mode through a sliding block (403) and a nut block A (404).

3. An ECM apparatus according to claim 1 in which: the discharging frame (5) further comprises a mounting groove (501), a strip-shaped hole (502), an insert block (503), a connecting rod (504), a nut block B (505), a short lead screw (506) and a manual wheel expelling wheel (507); the front ends of the two sides of the material placing frame (5) are respectively provided with a mounting groove (501), and an assembly underframe (6) is arranged in the mounting grooves (501) in a sliding manner; the front ends of the two sides of the material placing frame (5) are both provided with strip-shaped holes (502); a strip-shaped through groove is formed in the middle of the front side of the material placing frame (5), two groups of inserting blocks (503) are slidably arranged in the strip-shaped through groove, and two ends of each inserting block (503) penetrate through the strip-shaped hole (502); the inner sides of the inserting blocks (503) are respectively provided with connecting rods (504) in a rotating manner through a hinge joint, and the inner ends of the two groups of connecting rods (504) are respectively provided with a nut block B (505) in a rotating manner through a hinge joint; the top of the material placing frame (5) penetrates through the strip-shaped through groove to be rotatably provided with a short screw rod (506), and the short screw rod (506) is in threaded connection with the screw nut block B (505); and a hand driving wheel (507) is fixedly arranged at the top of the short screw rod (506).

4. An ECM apparatus according to claim 3 in which: the assembly chassis (6) further comprises a bushing plate (601) and a sliding sheet (602); a bushing plate (601) is integrally arranged at the bottom of the assembly underframe (6), and a leakage hole is formed in the bushing plate (601); the top both sides homogeneous body formula of assembly chassis (6) is provided with two sets of gleitbretters (602), and assembles chassis (6) and sets up in mounting groove (501) through gleitbretter (602) slip.

5. An ECM apparatus according to claim 3 in which: a reinforcing frame (7) is arranged on the inner side of the assembling underframe (6) in a sliding fit manner; two sides of the reinforcing frame (7) are of U-shaped structures; the middle of the reinforcing frame (7) is provided with a tooling box (8) in a fitting and sliding manner.

6. An ECM apparatus according to claim 5 in which: the tool box (8) further comprises a threaded cylinder (801) and a fixed block (802); the inner parts of two sides of the tooling box (8) are all in a through hole structure; two groups of threaded cylinders (801) are uniformly arranged inside the front side and the rear side of the tooling box (8), and the inner ends of the threaded cylinders (801) are fixedly provided with fixed blocks (802) through threaded connection; the inner end of the fixed block (802) is of a conical structure; the outer side of the fixed plugging block (802) is of a jackscrew structure.

7. An ECM apparatus according to claim 1 in which: a frame structure is integrally arranged at the top of the rear side of the electrolysis device (11), a threaded seat is integrally arranged at the rear side of the frame structure, and the threaded seat is in threaded connection with the lead screw B (9).

8. An ECM apparatus according to claim 1 in which: the electrolysis device (11) further comprises an adjusting sliding frame (1101), a fixed shaft lever (1102), a sheet electrode (1103), an insulating sheet (1104) and a scale plate (1105); two groups of chutes are formed in the bottom of the electrolysis device (11) through the front side and the rear side, and blocking pieces are fixedly arranged at two ends of each chute; the bottom of the electrolysis device (11) is provided with two groups of adjusting sliding frames (1101) in a sliding mode through sliding grooves, the adjusting sliding frames (1101) are of concave structures, and two sides of the bottom of each adjusting sliding frame (1101) are provided with fixed shaft rods (1102) in a connecting mode; the bottom of the fixed shaft lever (1102) is fixedly provided with a sheet electrode (1103) and is conductive, and the outer side of the cylindrical surface of the fixed shaft lever (1102) is coated with insulating paint; the bottom of the inner side of each sheet electrode (1103) is fixedly provided with an insulating sheet (1104); the fixed shaft rods (1102) are internally provided with lines and penetrate through the top of one side of the adjusting sliding frame (1101) to be connected with the electrolysis device (11); the top of the other side of the adjusting sliding frame (1101) is provided with a square cone point structure, and a scale plate (1105) is fixedly arranged outside the electrolysis device (11) on the same side of the square cone point structure.