CN212761590U

CN212761590U - Electrolyte circulating device for electrolytic machining

Info

Publication number: CN212761590U
Application number: CN202021231660.8U
Authority: CN
Inventors: 贾永德; 刘敏; 王小龙
Original assignee: Sichuan Juyi Heavy Industry Co ltd
Current assignee: Sichuan Juyi Heavy Industry Co ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-03-23
Anticipated expiration: 2030-06-30

Abstract

The utility model relates to the technical field of electrolytic machining, in particular to an electrolyte circulating device for electrolytic machining, which comprises a tool cathode, an electrolyte injection device, a supporting table, an electrolyte box and a first driver for driving an anode clamp to rotate; a gap is formed between the tool cathode and the workpiece to be machined, an upwardly convex liquid inlet is formed in the upper surface of the electrolyte tank, and a first through hole matched with the liquid inlet is formed in the support table; the upper surface of the tool cathode is provided with an upper guide plate, and the lower surface of the tool cathode is provided with a lower guide plate; the lower guide plate comprises a plane plate and a cylindrical hollow arc-shaped plate, a second through hole is formed in the middle of the plane plate, and the gap, the first through hole, the second through hole, the arc-shaped plate and the liquid inlet are communicated to form an electrolyte channel; the input port of the electrolyte injection device is communicated with the inside of the electrolyte tank through a pipeline, and the pipeline is also provided with a booster pump. Through this device, can effectively solve the low and poor problem of electrolyte water conservancy diversion effect of machining efficiency.

Description

Electrolyte circulating device for electrolytic machining

Technical Field

The utility model relates to an electrolytic machining technical field especially relates to an electrolyte circulating device that electrolytic machining used.

Background

Electrochemical machining is also called electrochemical machining, and the basic principle of the electrochemical machining is that metal can be dissolved anodically under certain conditions. During electrolytic machining, the workpiece to be machined is connected with the positive electrode of a power supply, the tool is connected with the negative electrode, a small gap is kept between the two electrodes, electrolyte with certain pressure flows through the gap, and the metal of the workpiece to be machined at the anode is gradually corroded by electrolysis. And continuously electrolyzing the surface of the workpiece to be machined along with the continuous feeding of the tool cathode relative to the workpiece anode, and taking the electrolysis product out of the machining area by the electrolyte flowing at high speed in the gap until the surface machining of the workpiece to be machined is completed.

In the prior art, a chinese patent document with an authorization publication number of CN104339044B and an authorization publication date of 2017, 02 and 01 is proposed to solve the above technical problems, and the technical scheme disclosed in the patent document is as follows: a processing method of an electrolytic processing device comprises the following steps: the controller sets the initial machining gap, the machining voltage, the frequency and the flow rate of the electrolyte injection; installing the workpiece anode in an electrolytic bath, and controlling a driving platform to move the electrolytic bath by a controller so as to initially position the workpiece anode; electrically connecting the workpiece anode with a pulse power supply, and driving the tool cathode to be positioned in a preset machining gap by a driving piece; starting a liquid pump, and conveying the electrolyte into an electro-hydraulic servo valve at a constant pressure; the controller controls the driving part to drive the tool cathode to reciprocate up and down in the processing gap, and controls the electro-hydraulic servo valve to inject the required electrolyte into the tool cathode at the frequency and flow rate set by the controller, so that the hydraulic pressure in the workpiece anode processing area is kept stable.

In the actual use process, the following problems can occur in the technical scheme: low processing efficiency and poor electrolyte diversion effect.

Disclosure of Invention

In order to solve the technical problem, the utility model provides an electrolyte circulating device that electrolytic machining used can effectively solve the low and poor problem of electrolyte water conservancy diversion effect of machining efficiency.

The utility model discloses a realize through adopting following technical scheme:

the utility model provides an electrolyte circulating device that electrolytic machining used, includes the lathe, is equipped with the tool cathode on the lathe, is used for the centre gripping to treat the positive pole anchor clamps of machined part and the driving piece that the driving tool negative pole removed about, the tool cathode with treat and have clearance, its characterized in that between the machined part: the device also comprises an electrolyte injection device, a support table, an electrolyte box and a first driver for driving the anode clamp to rotate; the upper surface of the electrolyte tank is provided with an upwardly convex liquid inlet, the support table is positioned above the electrolyte tank, and the support table is provided with a first through hole matched with the liquid inlet; the output port of the electrolyte injection device is positioned in the gap at the upper part, the upper surface of the tool cathode is provided with an upper guide plate, and the lower surface of the tool cathode is provided with a lower guide plate; the lower guide plate comprises a plane plate and a cylindrical hollow arc-shaped plate, a second through hole is formed in the middle of the plane plate, the periphery of the plane plate is located between the tool cathode and the support table, one end of the arc-shaped plate is connected with the outer wall of the first through hole, the other end of the arc-shaped plate vertically extends downwards into the first through hole and the liquid inlet, and the gap, the first through hole, the second through hole, the arc-shaped plate and the liquid inlet are communicated to form an electrolyte channel; the input port of the electrolyte injection device is communicated with the inside of the electrolyte tank through a pipeline, and the pipeline is also provided with a booster pump.

The electrolyte tank is internally provided with at least two movably connected filtering pieces, each filtering piece comprises a square first framework and a filtering net located in the space enclosed by the first frameworks, the top of the first framework is provided with a convex clamping block, the side edge of the first framework is provided with a sliding strip, the top of the electrolyte tank is provided with a strip-shaped groove matched with the shape and the size of the filtering piece, the size of the strip-shaped groove is smaller than that of the clamping block, and the inner wall of the electrolyte tank is provided with a sliding groove matched with the sliding strip.

And a sealing element is arranged between the clamping block and the strip-shaped groove.

The filter screen is arranged in the space enclosed by the first framework and the second framework, the second framework is enclosed to form a cavity, and the positions of the cavities on the filter pieces are staggered with each other.

The stirring device is positioned in the electrolyte tank, the second driver is positioned outside the electrolyte tank, and a driving shaft of the second driver penetrates through the electrolyte tank to be connected with the stirring device.

And a top cover is connected at the liquid inlet of the electrolyte tank through threads.

And the plane plate in the lower guide plate is fixedly connected with the support table.

The two protection plates and the two tool cathodes form a relatively sealed space.

And the telescopic rod of the driving piece is also provided with a mounting plate.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, electrolyte injection device's delivery outlet is located the clearance on upper portion, and electrolyte injection device's input port is linked together through the inside of pipeline with the electrolyte case, through the collection and the storage of electrolyte case to electrolyte for electrolyte can recycle. The output port of the electrolyte injection device outputs electrolyte, and the electrolyte injection device can be matched with the corresponding tool cathode to perform electrolytic machining on the workpiece to be machined. After the electrolytic machining is completed, the first driver can drive the anode clamp to rotate, so that the rest side surfaces of the workpiece to be machined can be machined continuously, the machining is more convenient, and the machining efficiency is improved. The device is particularly suitable for workpieces to be machined, the external shapes of all sides of which are the same.

Through the structure setting to guide plate, brace table and electrolyte case down for the brace table is fixed on the upper portion of electrolyte case, makes clearance, first through-hole, second through-hole, arc and inlet be linked together, forms the electrolyte passageway, the collection of the electrolyte of being convenient for. Simultaneously, the shape of the lower guide plate is specially set, and the arc-shaped plate vertically extends downwards into the first through hole and the liquid inlet, so that the guiding effect of the electrolyte is better.

2. The filtering function of the filtering piece ensures that the electrolyte has better recycling effect. Can realize filtering the location of piece through the cooperation in fixture block and bar groove, through the cooperation of draw runner and spout, can realize filtering the nimble of piece and take out and put into, be convenient for filter the change of piece, strengthen the filter effect.

3. And a sealing element is arranged between the clamping block and the strip-shaped groove, so that the fixing and filtering effects are good, and meanwhile, external impurities are prevented from entering the electrolyte tank.

4. The second framework encloses and closes the formation cavity, and when the filter screen blockked up the back, the cavity still can be passed through for the electrolyte, guarantees that the filter work of whole electrolyte case does not interrupt for input work to electrolyte injection device does not interrupt yet. Filter the cavity on the piece and stagger each other, the electrolyte that directly flows out from last cavity mostly still need pass through from the filter screen on the next piece of filtration, realizes filtering, avoids directly flowing out through next cavity, and the filter effect is good.

5. Still include agitating unit and the rotatory second driver of drive agitating unit, agitating unit can accelerate the circulation speed of electrolyte, improves filterable speed.

6. The liquid inlet department threaded connection of electrolyte case has the top cap, after electrolytic machining accomplished, can play good sealed effect with top cap threaded connection at the inlet to the electrolyte case, avoids outside impurity to get into the electrolyte incasement.

7. The plane plate in the lower guide plate is fixedly connected with the support table, the connection mode is stable, and the whole device is convenient to mount and dismount.

8. Still include two guard plates, the bottom of guard plate links to each other with lower guide plate, and two guard plates and two instrument cathodes enclose synthetic relatively sealed space, avoid splashing outward of electrolyte, and the recovery of electrolyte is better, and electrolytic machining is safer.

Drawings

The invention will be described in further detail with reference to the following description taken in conjunction with the accompanying drawings and detailed description, in which:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a lower deflector of the present invention;

FIG. 3 is a schematic view of the connection structure between the lower deflector and the guard plate of the present invention;

FIG. 4 is an enlarged schematic view of structure A of the present invention;

the labels in the figure are:

1. machine tool, 2, electrolyte injection device, 3, support table, 4, electrolyte tank, 5, tool cathode, 6, anode clamp, 7, driving piece, 8, first driver, 9, liquid inlet, 10, first through hole, 11, upper guide plate, 12, lower guide plate, 13, protection plate, 14, plane plate, 15, arc plate, 16, second through hole, 17, baffle, 18, filter piece, 19, draw-in groove, 20, second framework, 21, first cavity, 22, first framework, 23, filter screen, 24, fixture block, 25, second cavity, 26, third cavity, 27, fourth cavity, 28, groove, 29, output port, 30, booster pump, 31, shunt valve, 32, stirring device, 33, second driver, 34, workpiece to be machined, 35, mounting plate.

Detailed Description

Example 1

As the basic embodiment of the present invention, the present invention includes an electrolyte circulation device for electrolytic machining, including a machine tool 1, an electrolyte injection device 2, a supporting table 3, an electrolyte tank 4, and a first driver 8 for driving the anode clamp 6 to rotate. The machine tool 1 is provided with a tool cathode 5, an anode clamp 6 for clamping a workpiece to be machined 34 and a driving piece 7 for driving the tool cathode 5 to move left and right, and a gap is formed between the tool cathode 5 and the workpiece to be machined 34. The upper surface of electrolyte case 4 is equipped with bellied inlet 9 that makes progress, and brace table 3 is located electrolyte case 4's top, and is equipped with on brace table 3 with the first through-hole 10 of inlet 9 assorted for inlet 9 is located first through-hole 10, and the outer wall of inlet 9 contacts with the inner wall of first through-hole 10.

An upper guide plate 11 is arranged on the upper surface of the tool cathode 5, and a lower guide plate 12 is arranged on the lower surface of the tool cathode; lower guide plate 12 includes flat panel 14 and columniform cavity arc 15, flat panel 14 middle part is equipped with second through-hole 16, and flat panel 14 is located between instrument negative pole 5 and the brace table 3 all around, 15 one end of arc links to each other with the outer wall of first through-hole 10, and the other end is vertical in stretching into first through-hole 10 and inlet 9 downwards, clearance, first through-hole 10, second through-hole 16, arc 15 and inlet 9 are linked together, form the electrolyte passageway.

The delivery outlet 29 of the electrolyte injection device 2 is positioned in the gap on the upper part, the input port of the electrolyte injection device 2 is communicated with the inside of the electrolyte tank 4 through a pipeline, and a booster pump 30 is further arranged on the pipeline, the booster pump 30 is used for pumping the electrolyte in the electrolyte tank 4, so that the delivery outlet 29 outputs the electrolyte with pressure for filling the gap.

Example 2

As a preferred embodiment of the present invention, the present invention includes an electrolyte circulation device for electrolytic machining, which includes a machine tool 1, an electrolyte injection device 2, a supporting table 3, an electrolyte tank 4 and a first driver 8 for driving the anode clamp 6 to rotate. The machine tool 1 is provided with a tool cathode 5, an anode clamp 6 for clamping a workpiece to be processed 34 and a driving piece 7 for driving the tool cathode 5 to move left and right, wherein a gap is formed between the tool cathode 5 and the workpiece to be processed 34. The upper surface of electrolyte case 4 is equipped with bellied inlet 9 that makes progress, and brace table 3 is located electrolyte case 4's top, and is equipped with on brace table 3 with inlet 9 assorted first through-hole 10. The tool cathode 5 is provided with one tool cathode 5 which is respectively positioned at one side of the parts to be processed 34, and the end surface of the tool cathode 5 facing the parts to be processed 34 respectively conforms to the shape of the side surface of the parts to be processed 34 which is close to the processed parts to be processed, for example, the side surface of the parts to be processed 34 is concave, and the corresponding end surface of the tool cathode 5 is convex matched with the concave. Because the anode holder 6 can rotate under the effect of first driver 8, after the completion treats the processing of wherein one side of machined part 34, through rotatory, can be fast to the processing that has the side of the same shape in addition, make the utility model discloses not only be applicable to single face processing also can be applicable to the processing of treating machined part 34 that has a plurality of the same sides. The upper surface of the tool cathode 5 is provided with an upper guide plate 11, and the lower surface is provided with a lower guide plate 12. Lower guide plate 12 includes flat panel 14 and columniform cavity arc 15, flat panel 14 middle part is equipped with second through-hole 16, and flat panel 14 is located between instrument negative pole 5 and the brace table 3 all around, 15 one end of arc links to each other with the outer wall of first through-hole 10, and the other end is vertical in stretching into first through-hole 10 and inlet 9 downwards, clearance, first through-hole 10, second through-hole 16, arc 15 and inlet 9 are linked together, form the electrolyte passageway.

Two movably connected filtering elements 18 are arranged in the electrolyte tank 4. Filter 18 and include square first skeleton 22 and be located first skeleton 22 and enclose the filter screen 23 that closes the space, first skeleton 22 top is equipped with the fixture block 24 of evagination, and the side of first skeleton 22 is equipped with the draw runner, the top of electrolyte tank 4 be equipped with filter 18 shape and size assorted bar groove, and the size in bar groove is less than fixture block 24's size, the inner wall of electrolyte tank 4 be equipped with draw runner assorted spout. And a sealing element is arranged between the clamping block 24 and the strip-shaped groove, and the sealing element can be a sealing ring. Still be equipped with second skeleton 20 in the space that closes of two first skeletons 22, filter screen 23 is located the space that first skeleton 22 and second skeleton 20 enclose and close, and second skeleton 20 encloses respectively and closes and form first cavity 21 and second cavity 25, and first cavity 21 and second cavity 25 can be arranged for one on one under for the position of two cavities is mutually wrong.

Two grooves 28 respectively matched with the fixture blocks 24 are formed in the bottom of the support platform 3, and after the filter element 18 is installed, the fixture blocks 24 are respectively located in the grooves 28, so that the support platform 3 and the electrolyte tank 4 are more stable in structure.

The delivery outlet 29 of the electrolyte injection device 2 is positioned in the gap at the upper part, the input port of the electrolyte injection device 2 is communicated with the inside of the electrolyte tank 4 through a pipeline, and the pipeline is also provided with a booster pump 30, so that the electrolyte filtered by the two filter elements 18 can be pumped to the delivery outlet 29.

Example 3

As the best mode of the utility model, refer to the attached figure 1 of the specification, the utility model discloses an electrolyte circulating device for electrolytic machining, including lathe 1, electrolyte injection device 2, brace table 3, electrolyte case 4. The machine tool 1 is provided with a tool cathode 5, an anode clamp 6 for clamping a workpiece to be machined 34, a driving piece 7 for driving the tool cathode 5 to move left and right and a first driver 8 for driving the anode clamp 6 to rotate, in the using process, the workpiece to be machined 34 is connected with the positive pole of a power supply, the tool cathode 5 is connected with the negative pole of the power supply, and a small gap is kept between the tool cathode 5 and the workpiece to be machined 34. Wherein the machine tool 1, the tool cathode 5, the anode holder 6 and the driving member 7 are conventional technologies, the main improvement point of the present invention is not in this direction, and thus will not be described in detail. And the telescopic rod of the driving piece 7 is also provided with a mounting plate 35. The first driver 8 may be a rotary motor or the like.

Referring to the attached drawing 4 of the specification, the upper surface of the electrolyte tank 4 is provided with a liquid inlet 9 protruding upwards, the support table 3 is located above the electrolyte tank 4, and the support table 3 is provided with a first through hole 10 matched with the liquid inlet 9, so that the liquid inlet 9 is located in the first through hole 10, and the outer wall of the liquid inlet 9 is in contact with the inner wall of the first through hole 10. A top cover is connected with the liquid inlet 9 of the electrolyte tank 4 through threads.

The tool cathodes 5 may be two, which are respectively located at two sides of the workpiece to be processed 34, and the end surface shape of the tool cathode 5 facing one side of the workpiece to be processed 34 respectively matches with the side surface shape of the workpiece to be processed 34 that is close to the processing completion, for example, the side surface of the workpiece to be processed 34 is concave, the end surface of the corresponding tool cathode 5 is convex matching with the concave, or the side surface of the workpiece to be processed 34 is linear, and the end surface of the corresponding tool cathode 5 is linear.

Referring to the attached fig. 2 and 3, the upper surface of the tool cathode 5 is provided with an upper flow guide plate 11, and the lower surface is provided with a lower flow guide plate 12. Two vertical upward protection plates 13 are fixedly connected to the lower guide plate 12, and the two protection plates 13 and the two tool cathodes 5 enclose a relatively sealed space. The lower guide plate 12 comprises a plane plate 14 and a cylindrical hollow arc-shaped plate 15, a second through hole 16 is formed in the middle of the plane plate 14, the periphery of the plane plate 14 is located between the tool cathode 5 and the support table 3, and the plane plate 14 in the lower guide plate 12 is fixedly connected with the support table 3. One end of the arc-shaped plate 15 is connected with the outer wall of the first through hole 10, the other end of the arc-shaped plate vertically extends downwards into the first through hole 10 and the liquid inlet 9, and the gap, the first through hole 10, the second through hole 16, the arc-shaped plate 15 and the liquid inlet 9 are communicated to form an electrolyte channel.

A baffle 17 and three filtering pieces 18 which are movably connected are arranged in the electrolyte tank 4. The bottom plate of the electrolyte tank 4 and the inner wall of the liquid inlet 9 are respectively provided with a clamping groove 19 matched with the baffle 17, so that the baffle 17 penetrates through the liquid inlet 9 and upwards extends out of the electrolyte tank 4 to be used for contacting with the bottom of a workpiece 34 to be machined, the baffle 17 coincides with the vertical central line of the workpiece 34 to be machined, and the thickness of the baffle 17 is smaller than that of the workpiece 34 to be machined, so that the baffle 17 has a good isolation effect, in the electrolytic machining process, the machining of two sides of the workpiece 34 to be machined is carried out in an independent channel, and the condition that the forming effect of the workpiece 34 to be machined is poor due to mutual influence is avoided.

The baffles 17 located within the electrolyte tank 4 are in the form of a grid. The baffle 17 is further provided with a second framework 20 in the grid-shaped area, and the second framework 20 is free of any substance, so that the second framework 20 encloses to form a first cavity 21.

Filter 18 and include square first skeleton 22 and be located first skeleton 22 and enclose the filter screen 23 that closes the space in, first skeleton 22 top is equipped with the fixture block 24 of evagination, and the side of first skeleton 22 is equipped with the draw runner, the top of electrolyte tank 4 is equipped with and filters the shape and the big or small assorted bar groove of 18, and the size in bar groove is less than the size of fixture block 24, and the width in concrete finger bar groove is less than the width in fixture block 24 or the length in bar groove is less than the length in fixture block 24, or the length and the width in bar groove all are less than the length and the width of fixture block 24 simultaneously. The inner wall of the electrolyte tank 4 is provided with a sliding chute matched with the sliding strip. And a sealing element is arranged between the clamping block 24 and the strip-shaped groove, and the sealing element can be a sealing ring. Be equipped with second skeleton 20 on the three filtration piece 18 respectively, filter screen 23 is located the space that first skeleton 22 and second skeleton 20 enclose and close, and second skeleton 20 encloses respectively and closes and form second cavity 25, third cavity 26 and fourth cavity 27, and adjacent cavity highly different or all cavities highly all inequality in vertical direction, realize that the position of four cavities is mutually wrong each other.

Three grooves 28 which are respectively matched with the fixture blocks 24 are formed in the bottom of the support platform 3, and after the filter element 18 is installed, the fixture blocks 24 are respectively located in the grooves 28, so that the support platform 3 and the electrolyte tank 4 are more stable in structure.

One end of the electrolyte injection device 2 is provided with two output ports 29 through a diverter valve 31, and the two output ports 29 are respectively positioned at two sides of the workpiece to be machined 34 and positioned in the gap at the upper part; the other end of the electrolyte injection device 2 is communicated with the inside of the electrolyte tank 4 through a pipeline, and the pipeline is further provided with a booster pump 30, so that the electrolyte filtered by the baffle 17 and the filter element 18 can be pumped to an output port 29 conveniently.

And further comprises a stirring device 32 and a second driver 33 for driving the stirring device 32 to rotate, wherein the stirring device 32 is positioned inside the electrolyte tank 4 and between the baffle 17 and the nearest inner wall of the electrolyte tank 4. The second driver 33 is located outside the electrolyte tank 4, and a driving shaft of the second driver 33 passes through the electrolyte tank 4 and is connected to the stirring device 32.

When electrolytic machining is needed, the top cover at the liquid inlet 9 in the electrolyte tank 4 is taken down, the baffle 17 and the filter piece 18 are installed, the installed electrolyte tank 4 and the support table 3 are combined together, the first through hole 10 and the groove 28 on the support table 3 play a good positioning role, and the position of the workpiece 34 to be machined and the position of the output port 29 of the electrolyte injection device 2 and the size of the gap are adjusted. After the installation of this equipment is accomplished, the circular telegram, the electrolyte that has certain pressure flows through from the clearance, treat that the metal of machined part 34 is corroded by the electrolysis gradually, treat machined part 34 and constantly feed along with instrument negative pole 5 under the drive of driving piece 7, treat that machined part 34 both sides surface constantly is by the electrolysis, the electrolysis product is carried away from the processing region by the high-speed flowing electrolyte in the clearance, flow to in the electrolyte case 4 through the electrolyte passageway, through the filtration of baffle 17 and filtration piece 18, the electrolyte after the filtration is by the pump sending to flow divider 31 again, send to delivery outlet 29 after the reposition of redundant personnel of flow divider 31 again, realize the cyclic utilization of electrolyte. Until both side surfaces of the member to be machined 34 are formed into a shape substantially similar to the end surface of the tool cathode 5. During this machining process, it is also possible to machine only one side of the part 34 to be machined by means of the diverter valve 31. When one side or two sides are machined, the anode clamp 6 is driven to rotate by the first driver 8, so that the machining of the other side with the same shape is facilitated.

In conclusion, after the ordinary skilled in the art reads the document of the present invention, the technical solution and technical idea of the present invention do not need creative mental labor and make other various corresponding transformation schemes, which all belong to the protection scope of the present invention.

Claims

1. The utility model provides an electrolyte circulating device that electrolytic machining used, includes lathe (1), is equipped with tool cathode (5) on lathe (1), is used for centre gripping to treat that positive pole anchor clamps (6) of machined part (34) and drive piece (7) that remove about driving tool cathode (5), tool cathode (5) and treat and have the clearance between machined part (34), its characterized in that: the device also comprises an electrolyte injection device (2), a support table (3), an electrolyte box (4) and a first driver (8) for driving the anode clamp (6) to rotate; a liquid inlet (9) protruding upwards is formed in the upper surface of the electrolyte box (4), the support table (3) is located above the electrolyte box (4), and a first through hole (10) matched with the liquid inlet (9) is formed in the support table (3); an output port (29) of the electrolyte injection device (2) is positioned in a gap at the upper part, an upper guide plate (11) is arranged on the upper surface of the tool cathode (5), and a lower guide plate (12) is arranged on the lower surface of the tool cathode; the lower guide plate (12) comprises a plane plate (14) and a cylindrical hollow arc-shaped plate (15), a second through hole (16) is formed in the middle of the plane plate (14), the periphery of the plane plate (14) is located between the tool cathode (5) and the support table (3), one end of the arc-shaped plate (15) is connected with the outer wall of the first through hole (10), the other end of the arc-shaped plate vertically extends downwards into the first through hole (10) and the liquid inlet (9), and the gap, the first through hole (10), the second through hole (16), the arc-shaped plate (15) and the liquid inlet (9) are communicated to form an electrolyte channel; the input port of the electrolyte injection device (2) is communicated with the interior of the electrolyte tank (4) through a pipeline, and the pipeline is also provided with a booster pump (30).

2. The electrolytic solution circulation apparatus for electrolytic processing according to claim 1, wherein: filter piece (18) that are equipped with two swing joint at least in electrolyte case (4), filter piece (18) including square first skeleton (22) and be located filter screen (23) that first skeleton (22) enclose the space, first skeleton (22) top is equipped with fixture block (24) of evagination, and the side of first skeleton (22) is equipped with the draw runner, the top of electrolyte case (4) be equipped with filter shape and the size assorted bar groove of piece (18), and the size in bar groove is less than the size of fixture block (24), the inner wall of electrolyte case (4) be equipped with draw runner assorted spout.

3. The electrolytic processing electrolyte circulation apparatus according to claim 2, wherein: and a sealing element is arranged between the clamping block (24) and the strip-shaped groove.

4. The electrolytic solution circulation apparatus for electrolytic processing according to claim 3, wherein: still be equipped with second skeleton (20) in the space of closing of first skeleton (22), filter screen (23) are located the space that first skeleton (22) and second skeleton (20) enclose, and second skeleton (20) enclose and close the formation cavity, and the cavity position on filtering piece (18) is mutually wrong.

5. The electrolytic processing electrolyte circulation apparatus according to claim 1 or 4, wherein: the electrolytic cell further comprises a stirring device (32) and a second driver (33) for driving the stirring device (32) to rotate, wherein the stirring device (32) is positioned inside the electrolytic solution tank (4), the second driver (33) is positioned outside the electrolytic solution tank (4), and a driving shaft of the second driver (33) penetrates through the electrolytic solution tank (4) and is connected with the stirring device (32).

6. The electrolytic processing electrolyte circulation apparatus according to claim 5, wherein: a top cover is connected with the liquid inlet (9) of the electrolyte tank (4) in a threaded manner.

7. The electrolytic solution circulation apparatus for electrolytic processing according to claim 6, wherein: and a plane plate (14) in the lower guide plate (12) is fixedly connected with the support platform (3).

8. The electrolytic processing electrolyte circulation apparatus according to claim 7, wherein: the tool cathode structure is characterized by further comprising two protection plates (13), the bottoms of the protection plates (13) are connected with the lower guide plate (12), and the two protection plates (13) and the two tool cathodes (5) enclose a relatively sealed space.

9. The electrolytic processing electrolyte circulation apparatus according to claim 8, wherein: and the telescopic rod of the driving piece (7) is also provided with a mounting plate (35).