CN114453689A - Plunger type flushing processing device for mask electrolytic processing - Google Patents
Plunger type flushing processing device for mask electrolytic processing Download PDFInfo
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- CN114453689A CN114453689A CN202210136672.XA CN202210136672A CN114453689A CN 114453689 A CN114453689 A CN 114453689A CN 202210136672 A CN202210136672 A CN 202210136672A CN 114453689 A CN114453689 A CN 114453689A
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- 238000012545 processing Methods 0.000 title claims abstract description 49
- 238000011010 flushing procedure Methods 0.000 title claims abstract description 15
- 239000007788 liquid Substances 0.000 claims abstract description 126
- 239000003792 electrolyte Substances 0.000 claims abstract description 72
- 238000006243 chemical reaction Methods 0.000 claims abstract description 39
- 238000003754 machining Methods 0.000 claims abstract description 32
- 230000033001 locomotion Effects 0.000 claims abstract description 13
- 230000009471 action Effects 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 22
- 230000008569 process Effects 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000006056 electrooxidation reaction Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000010129 solution processing Methods 0.000 claims 3
- 238000005868 electrolysis reaction Methods 0.000 abstract description 7
- 239000012530 fluid Substances 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 230000005660 hydrophilic surface Effects 0.000 description 1
- 230000005661 hydrophobic surface Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H3/00—Electrochemical machining, i.e. removing metal by passing current between an electrode and a workpiece in the presence of an electrolyte
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H3/00—Electrochemical machining, i.e. removing metal by passing current between an electrode and a workpiece in the presence of an electrolyte
- B23H3/10—Supply or regeneration of working media
Abstract
The invention discloses a plunger type flushing fluid processing device for mask electrolytic processing, which comprises a plunger type cathode and a cathode push rod, wherein the plunger type cathode and the cathode push rod form a cathode and perform linear reciprocating motion in a plunger cavity in a fixture body. The cam pushes the cathode push rod to enable the plunger type cathode to move towards the direction close to the mask plate, and most of electrolyte flows back through the liquid outlet one-way valve. The plunger type cathode moves towards the direction far away from the mask plate under the action force of the return spring, and the electrolyte enters the reaction area through the liquid inlet one-way valve. The invention realizes the suction of electrolyte and the discharge of electrolysis products through the reciprocating motion of the plunger type cathode in the plunger cavity and the one-way valve, and autonomously realizes the renewal of the electrolyte and the discharge of the electrolysis products. When the cathode is contacted with the mask, continuous zero-gap mask electrolytic machining can be realized, and the machining precision and the machining efficiency are improved.
Description
Technical Field
The invention relates to the technical field of electrolytic machining, in particular to a plunger type flushing machining device for mask electrolytic machining.
Background
The special microstructure can be prepared on the surface of the part to realize specific performances, such as an antifriction surface, a drag reduction surface, a heat transfer surface, a hydrophilic and hydrophobic surface, a medical surface and the like, and is widely applied to the industries of aerospace, mechanical equipment, ship technology, advanced automobile development, medical appliances and the like. The mask electrolytic machining technology covers a mask plate with a specific pattern on a workpiece anode, and the pattern similar to the mask is machined on the workpiece by utilizing the electrolytic machining principle. The mask electrolytic machining process has no mechanical force, does not generate a large amount of heat, and the machined workpiece has no residual stress and heat affected layer, so that the method is very suitable for machining thin-wall metal parts. Meanwhile, the mask structure can realize one-step forming of a dense array structure, and the efficiency is extremely high, so that the mask electrolytic machining technology is widely applied to machining of the surface microstructure of the metal part.
In the mask electrochemical machining, the size of the gap between the cathode and the mask directly affects the current distribution on the surface of the anode. Research shows that the gap between the cathode and the mask is reduced, so that the locality can be improved, and the lateral corrosion can be reduced. When the limit state is that the gap between the cathode and the mask is zero, the current density distribution of the anode tends to be consistent, and the processing precision can be greatly improved. However, a zero gap between the cathode and the mask will seriously affect the entry of the electrolyte into the reaction zone. In the electrochemical reaction, the electrolyte flowing at high speed is used as a medium for electrolytic reaction, and simultaneously, the electrolyte also plays a role in carrying electrolytic products away from the reaction area so as to prevent the products from being accumulated in the reaction area to influence the processing quality. The electrolyte cannot enter the reaction zone, and the electrolytic reaction cannot be continuously carried out. At present, porous metal is often used as a cathode, and positive flushing liquid is used for realizing zero-gap mask electrolytic machining, but the transmission efficiency of products in the mode is extremely low, and the cathode is flushed after the machining is carried out for a very short time, so that the machining efficiency is seriously influenced.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to solve the technical problem that the cathode needs to be flushed after the processing is carried out for a very short time in the existing zero-clearance mask electrolytic processing, and the processing efficiency is low, and provides a plunger type flushing liquid processing device for mask electrolytic processing.
In order to solve the technical problem, the invention discloses a plunger type flushing liquid processing device for mask electrolytic processing, which comprises: the mask plate, a clamp body provided with a liquid inlet and a liquid outlet and a plunger type cathode; the fixture body is provided with a plunger cavity, and the plunger cathode is positioned in the plunger cavity, is connected with the plunger cavity in a sealing and sliding manner and linearly reciprocates along the plunger cavity; the mask plate is positioned on one side of the clamp body and is opposite to the plunger type cathode; the plunger cathode divides the plunger cavity into an air cavity and a reaction cavity, and the air cavity is positioned on one side of the plunger cathode, which is far away from the mask plate; the liquid inlet is communicated with the reaction cavity and only enables the electrolyte to enter in a single direction, and the liquid outlet is communicated with the reaction cavity and only enables the electrolyte to flow out in a single direction, so that a relatively closed electrolytic processing area is formed in the mask electrolytic processing process; when the plunger type cathode is far away from the mask plate, electrolyte is sucked from the liquid inlet, and when the plunger type cathode presses the mask plate, the electrolyte is discharged from the liquid outlet.
The cathode comprises a cathode push rod and a cam, wherein the plunger type cathode and the cathode push rod form a cathode, and the cathode push rod extends out of a through hole of the clamp body and is in contact with the cam; the cam pushes the cathode push rod to enable the plunger type cathode to move towards the direction close to the mask plate, the air cavity is enlarged, and the reaction cavity is reduced.
The invention comprises a return spring which is positioned in an air cavity, the plunger type cathode is connected with the clamp body through the return spring, when the force exerted on the cathode push rod is reduced by the cam, the plunger type cathode moves in the direction far away from the mask plate under the action force of the return spring, the air cavity is reduced, and the reaction cavity is enlarged.
In the invention, the far rest stroke of the cam is relatively long compared with the near rest stroke.
The electrolytic cell comprises a liquid inlet one-way valve, a liquid supply pipeline and an electrolytic bath, wherein the liquid inlet is connected with the electrolytic bath through the liquid supply pipeline, and the liquid inlet one-way valve is positioned on the liquid supply pipeline.
The electrolyte outlet device comprises a liquid outlet one-way valve and a liquid return pipeline, wherein the liquid outlet is communicated with an electrolyte tank through the liquid return pipeline, and the liquid outlet one-way valve is positioned on the liquid return pipeline.
In the invention, the electrolyte tank is filled with electrolyte and comprises a clean liquid tank and a return liquid tank, wherein the clean liquid tank is communicated with a liquid supply pipeline, the return liquid tank is communicated with a return liquid pipeline, and a filter is arranged between the clean liquid tank and the return liquid tank.
In the invention, the motor comprises an output shaft, the cam is provided with a middle hole, and the middle hole is connected with the output shaft of the motor.
In the invention, the working process of the device is as follows:
when the motor is started, the output shaft of the motor rotates to transmit the motion to the cam of the transmission device, and the plunger type cathode is driven to move by the cathode push rod.
In the process that the plunger type cathode is far away from the mask plate, electrolyte flows into the liquid inlet from the electrolyte tank through the liquid supply pipeline through the liquid inlet one-way valve and is sucked into the reaction cavity; and in the process that the plunger type cathode presses the mask plate until the plunger type cathode is contacted with the mask plate, the electrolyte enters the electrolyte tank from the liquid outlet through the liquid outlet one-way valve and the liquid return pipeline.
And (3) turning on an electrolytic machining power supply, setting required machining electrical parameters, when the plunger type cathode is contacted with the mask plate, connecting a circuit, and carrying out an electrochemical oxidation reaction on a part limited by the mask plate with a characteristic structure on the surface of the anode of the workpiece to be machined to generate an electrolytic product.
In the process that the plunger type cathode is far away from the mask plate, electrolyte flows into the liquid inlet from the liquid purifying groove through the liquid supply pipeline through the liquid inlet one-way valve and is sucked into the reaction cavity, and therefore the updating of the electrolyte is achieved.
In the process that the plunger type cathode is close to the mask plate, surplus electrolyte is flushed out and electrolytic products are taken away, and the electrolyte enters the liquid return groove through the liquid outlet one-way valve and the liquid return pipeline, so that the electrolytic products are discharged.
When the surface of the workpiece anode to be processed is processed to form a required structure, the electrolytic processing power supply is firstly closed, then the motor for driving the cam is closed, finally the fixture body is opened, and the workpiece anode is taken out and cleaned.
According to the invention, the filter can be opened as required, and the electrolytic product in the electrolyte can be filtered and removed through the filter, so that the cleanness of the electrolyte is ensured.
In the invention, the anode of the workpiece to be processed is positioned on one side of the mask plate, which is far away from the clamp body; the clamp body, the mask plate and the anode of the workpiece to be processed are closely attached and form a relatively closed reaction cavity with the plunger type cathode.
Has the advantages that:
(1) the invention realizes the suction of the electrolyte and the discharge of the electrolysis products through the reciprocating motion of the plunger type cathode in the plunger type cavity and the one-way valve, autonomously realizes the renewal of the electrolyte and the discharge of the electrolysis products, and does not need an additional electrolyte circulating system.
(2) Continuous zero-clearance mask electrolytic machining can be realized through the reciprocating motion of the plunger type cathode in the plunger type cavity, and the machining precision and the machining efficiency are improved.
Drawings
The foregoing and/or other advantages of the invention will become further apparent from the following detailed description of the invention when taken in conjunction with the accompanying drawings.
FIG. 1 is a three-dimensional schematic view of a plunger-type processing ram according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a plunger-type processing ram according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of a cathode assembly holder according to an embodiment of the present invention;
fig. 4 is a three-dimensional schematic view of a plunger cathode arrangement according to an embodiment of the invention.
Detailed Description
The invention has the following reference numerals: 1. the device comprises a workpiece anode, 2, a mask plate, 3, a clamp body, 4, a liquid inlet, 5, a liquid inlet one-way valve, 6, a cathode push rod, 7, a cam, 8, a plunger type cathode, 9, a liquid outlet one-way valve, 10, a liquid outlet, 11, a return spring, 12, a reaction cavity, 13, a plunger cavity, 14, a negative circuit, 15, a power supply, 16, a positive circuit, 17, a liquid return circuit, 18, a filter, 19, an electrolyte tank, 20, a liquid supply circuit, 21 and an air cavity.
For a further understanding of the invention, reference should be made to the following detailed description taken in conjunction with the accompanying drawings and examples.
Example 1
Referring to fig. 1, 2 and 3, the plunger-type processing apparatus for mask electrochemical processing according to the present embodiment includes a mask plate 2, a clamp body 3 having a liquid inlet 4 and a liquid outlet 10, and a plunger-type cathode 8, wherein the mask plate 2, the clamp body 3, and the plunger-type cathode 8 are horizontally disposed. The fixture body 3 is provided with a plunger cavity 13, and the plunger cathode 8 is positioned in the plunger cavity 13, is connected with the plunger cavity 13 in a sealing and sliding manner, and moves linearly and reciprocally along the plunger cavity 13. The mask plate 2 is positioned on one side of the clamp body 3 and is opposite to the plunger type cathode 8. The plunger cathode 8 divides the plunger cavity 13 into an air cavity 21 and a reaction cavity 12, wherein the air cavity 21 is positioned on the side of the plunger cathode 8 facing away from the mask plate 2. Since the plunger cathode 8 is connected with the plunger cavity 13 in a sealed sliding way, the electrolyte in the reaction cavity 12 can not leak to the air cavity 21 during the reciprocating process. The liquid inlet 4 is communicated with the reaction cavity 12 and only enables the electrolyte to enter in a single direction, and the liquid outlet 10 is communicated with the reaction cavity 12 and only enables the electrolyte to flow out in a single direction, so that a relatively closed electrolytic processing area is formed in the mask electrolytic processing process. When the plunger type cathode 8 is far away from the mask plate 2, electrolyte is sucked from the liquid inlet 4, and when the plunger type cathode 8 is pressed towards the mask plate 2, the electrolyte is discharged from the liquid outlet 10.
The cathode push rod 6 and the cam 7 are further included in the embodiment, the plunger type cathode 8 and the cathode push rod 6 form a cathode, and the cathode push rod 6 extends out of the through hole of the clamp body 3 and is in contact with the cam 7; the cam 7 pushes the cathode pusher 6 so that the plunger cathode 8 moves downwards, the air chamber 21 increases and the reaction chamber 12 decreases.
The embodiment also comprises a return spring 11, the return spring 11 is positioned in an air cavity 21, the plunger type cathode 8 is connected with the clamp body 3 through the return spring 11, when the cam 7 reduces the force exerted on the cathode push rod 6, the air cavity 21 is reduced, the plunger type cathode 8 moves upwards under the action of the return spring 11, the air cavity 21 is reduced, and the reaction cavity 12 is increased.
The long-break stroke of the cam 7 is relatively long. The long stroke of the cam 7 is designed to be longer, and the short stroke of the cam can cause the corrosion of the electrolytic machining of the workpiece to be slower and the efficiency to be reduced; the design of the cam 7 has shorter near-rest stroke, reduces the time of the plunger type cathode 8 moving in the plunger cavity 13 and improves the efficiency of electrolytic processing.
The embodiment also comprises a liquid inlet one-way valve 5, a liquid supply pipeline 20 and an electrolyte tank 19, wherein the liquid inlet 4 is connected with the electrolyte tank 19 through the liquid supply pipeline 20, and the liquid inlet one-way valve 5 is positioned on the liquid supply pipeline 20.
The embodiment also comprises a liquid outlet one-way valve 9 and a liquid return pipeline 17, wherein the liquid outlet 10 is communicated with the electrolyte tank 19 through the liquid return pipeline 17, and the liquid outlet one-way valve 9 is positioned on the liquid return pipeline 17.
In this embodiment, the electrolyte tank 19 contains electrolyte, and includes a clean liquid tank 19a and a return liquid tank 19b, the clean liquid tank 19a is communicated with the liquid supply pipeline 20, the return liquid tank 19b is communicated with the return liquid pipeline 17, and a filter 18 is disposed between the clean liquid tank 19a and the return liquid tank 19 b.
This embodiment still includes the motor, and the motor includes the output shaft, and cam 7 is equipped with the mesopore, and the mesopore links to each other with the motor output shaft.
When the device is used, the workpiece anode 1 to be processed is positioned below the mask plate 2, and the clamp body 3, the mask plate 2 and the workpiece anode 1 to be processed are closely attached and matched with the plunger type cathode 8 to enable the reaction cavity 12 to be relatively closed.
Along with the upward movement of the plunger type cathode 8, the electrolyte is sucked from the liquid inlet 4, flows into and fills the reaction cavity 12, and enters the characteristic structure of the mask plate 2 after diluting the electrolytic product after the last electrolytic processing, so that the update of the electrolyte is realized. In the process that the plunger type cathode 8 moves downwards until the plunger type cathode contacts with the mask plate 2, part of electrolyte enters a liquid return groove 19b from a liquid outlet 10 through a liquid outlet one-way valve 9; when the plunger type cathode 8 is contacted with the mask plate 2, the cathode and anode circuits are conducted, and zero-gap mask electrolytic machining reaction occurs. After a few seconds the plunger cathode 8 moves upwards and the above process is repeated. Therefore, continuous zero-gap mask electrolytic machining can be realized, and the machining efficiency is ensured while the machining precision is improved.
As shown in FIG. 4, the plunger cathode device, when used in the mask electrolytic process, can drive the plunger cathode 8 to reciprocate up and down by a mechanical power device.
The specific installation and implementation steps of the device are as follows:
1. the plunger type cathode 8 and the cathode push rod 6 form a cathode which is arranged in a plunger type cavity 13 of the fixture body 3, and the cathode push rod 6 is connected with a power supply 15 through a negative electrode circuit 14 to become an electrolytic processing cathode.
2. The central bore of the cam 7 in the transmission is connected to the output shaft of the motor to transmit the motor power through the mechanical transmission to the plunger cathode 8.
3. Covering a mask plate 2 with a specific structure on the workpiece anode 1 to limit a dissolving area of the workpiece anode 1 during electrolysis; meanwhile, the workpiece anode 1 becomes an anode in the electrolytic machining through the positive electrode line 16 and the power supply 15.
4. A clamp body 3 provided with a plunger type cathode 8 is arranged on a mask plate 2 and clamped, and a liquid inlet 4, a reaction cavity 12, a liquid outlet 10 and the mask plate 2 on a workpiece anode 1 in the clamp body 3 jointly form an electrolyte flow channel.
5. The motor is started, the output shaft of the motor rotates, the motion is transmitted to the cam 7 of the transmission device, and the plunger type cathode 7 is driven to reciprocate up and down through the cathode push rod 6: in the upward movement process of the plunger type cathode 8, the reaction cavity 12 is enlarged, and the electrolyte flows into the liquid inlet 4 from the electrolyte tank 19 through the liquid supply pipeline 20 through the liquid inlet one-way valve 5 and is sucked into the reaction cavity 12; in the process that the plunger type cathode 8 moves downwards until the plunger type cathode contacts with the mask plate 2, the reaction cavity 12 is reduced, the electrolyte is flushed out, and the electrolyte enters the electrolyte tank 19 from the liquid outlet 10 through the liquid outlet one-way valve 9 and the liquid return pipeline 17. And entering the next step when the electrolyte in the reaction chamber 12 is updated and discharged to reach a dynamic balance state.
6. And turning on an electrolytic machining power supply, and setting required machining electrical parameters. When the plunger type cathode 8 is contacted with the mask plate 2, the circuit is connected, and the part limited by the mask plate 2 with the characteristic structure on the surface of the workpiece anode 1 to be processed is subjected to electrochemical oxidation reaction to generate an electrolysis product;
in the upward movement process of the plunger type cathode 8, the electrolyte flows into the liquid inlet 4 from the electrolyte tank 19 through the liquid supply pipeline 20 through the liquid inlet one-way valve 5 and is sucked into the reaction cavity 12, so that the update of the electrolyte is realized;
during the downward movement of the plunger type cathode 8, the redundant electrolyte is flushed out and electrolytic products are taken away, and the electrolyte enters the electrolyte tank 19 from the liquid outlet 10 through the liquid outlet one-way valve 9 through the liquid return pipeline 17, so that the discharge of the electrolyte is realized.
7. After processing, when the surface of the processed workpiece 1 is processed to form a required structure, the electrolytic processing power supply is firstly closed, then the motor for driving the cam 7 is closed, and finally the fixture body 3 is opened, and the workpiece is taken out and cleaned.
In the implementation process of the embodiment, the filter 18 can be opened as required, the filter 18 can be a BASB300UN-1 plate and frame filter press, and the electrolysis products in the electrolyte can be filtered and removed through the filter 18, so as to ensure the cleanness of the electrolyte.
Example 2
In the embodiment, the mask plate, the fixture body, the plunger type cathode and the workpiece anode are vertically placed, and the plunger type cathode is located in the plunger cavity and can reciprocate left and right along the plunger cavity. The rest is the same as in example 1.
Example 3
In this embodiment, the cathode push rod is connected to the vibration pump, and the linear reciprocating motion of the cathode push rod and the plunger cathode is realized by the linear reciprocating motion of the output shaft of the vibration pump, and the return spring is omitted. The rest is the same as in example 1.
The present invention provides a method and a concept for a mask electrochemical machining apparatus, and a method and a way for implementing the technical solution are many, and the above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention. All the components not specified in the present embodiment can be realized by the prior art.
Claims (10)
1. A plunger type flushing processing device for mask electrolytic processing is characterized by comprising: the device comprises a mask plate (2), a clamp body (3) provided with a liquid inlet (4) and a liquid outlet (10), and a plunger type cathode (8), wherein the clamp body (3) is provided with a plunger cavity (13), the plunger type cathode (8) is positioned in the plunger cavity (13), and the plunger type cathode (8) is connected with the plunger cavity (13) in a sealing and sliding manner and moves in a linear reciprocating manner along the plunger cavity (13); the mask plate (2) is positioned on one side of the clamp body (3) and is opposite to the plunger type cathode (8); the plunger type cathode (8) divides the plunger type cavity (13) into an air cavity (21) and a reaction cavity (12), and the air cavity (21) is positioned on one side of the plunger type cathode (8) departing from the mask plate (2); the liquid inlet (4) is communicated with the reaction cavity (12) and only enables the electrolyte to enter in a single direction, and the liquid outlet (10) is communicated with the reaction cavity (12) and only enables the electrolyte to flow out in a single direction, so that a relatively closed electrolytic processing area is formed in the mask electrolytic processing process; when the plunger type cathode (8) is far away from the mask plate (2), electrolyte is sucked from the liquid inlet (4), and when the plunger type cathode (8) presses the mask plate (2), the electrolyte is discharged from the liquid outlet (10).
2. The plunger type flushing solution processing device for mask electrolytic processing according to claim 1, characterized in that it comprises a cathode push rod (6) and a cam (7), said plunger type cathode (8) and cathode push rod (6) constitute a cathode; the cam (7) pushes the cathode push rod (6) to enable the plunger type cathode (8) to move towards the direction close to the mask plate (2).
3. The plunger-type flushing solution processing device for mask electrolytic processing according to claim 2, characterized by comprising a return spring (11), wherein the return spring (11) is positioned in the air cavity (21), and the plunger-type cathode (8) is connected with the clamp body (3) through the return spring (11); when the cam (7) reduces the force applied on the cathode push rod (6), the plunger type cathode (8) moves in the direction away from the mask plate (2) under the action force of the return spring (11).
4. The plunger-type liquid-flushing processing device for mask electrolytic processing according to claim 3, characterized in that the cam (7) has a relatively long distal stroke and a relatively long proximal stroke.
5. The plunger type flushing processing device for mask electrolytic processing according to claim 4, characterized in that it comprises a liquid inlet check valve (5), a liquid supply pipeline (20) and an electrolyte tank (19), said liquid inlet (4) is connected to the electrolyte tank (19) through the liquid supply pipeline (20), and the liquid inlet check valve (5) is located on the liquid supply pipeline (20).
6. The plunger type flushing processing device for mask electrolytic processing according to claim 5, characterized in that it comprises a liquid outlet check valve (9) and a liquid return pipeline (17), said liquid outlet (10) is connected to an electrolyte tank (19) through the liquid return pipeline (17), and the liquid outlet check valve (9) is located on said liquid return pipeline (17).
7. The plunger-type liquid-flushing processing device for mask electrolytic processing according to claim 6, wherein said electrolyte tank (19) contains an electrolyte, and comprises a clean liquid tank (19a) and a return liquid tank (19b), the clean liquid tank (19a) is connected to the liquid supply pipe (20), the return liquid tank (19b) is connected to the return liquid pipe (17), and a filter (18) is disposed between the clean liquid tank (19a) and the return liquid tank (19 b).
8. The plunger-type processing apparatus for electrolytic processing of masks according to claim 7, characterized in that the motor comprises an output shaft, and the cam (7) is provided with a central hole connected to the motor output shaft.
9. The plunger-type processing apparatus for electrolytic processing of masks according to claim 8, characterized by the following working processes:
the motor is started, the output shaft of the motor rotates, the motion is transmitted to the cam (7) of the transmission device, and the plunger type cathode (8) is driven to move through the cathode push rod (6); in the process that the plunger type cathode (8) is far away from the mask plate (2), electrolyte flows into the liquid inlet (4) from the electrolyte tank (19) through the liquid supply pipeline (20) through the liquid inlet one-way valve (5) and is sucked into the reaction cavity (12); in the process that the plunger type cathode (8) is pressed towards the mask plate (2) until the plunger type cathode is contacted with the mask plate (2), the electrolyte enters an electrolyte tank (19) through a liquid outlet one-way valve (9) from a liquid outlet (10) and a liquid return pipeline (17); turning on an electrolytic machining power supply, setting required machining electrical parameters, when a plunger type cathode (8) is contacted with a mask plate (2), switching on a circuit, and carrying out an electrochemical oxidation reaction on a part limited by the mask plate (2) with a characteristic structure on the surface of a workpiece anode (1) to be machined to generate an electrolytic product;
when a needed structure is processed on the surface of the workpiece anode (1) to be processed, the electrolytic processing power supply is firstly closed, then the motor for driving the cam (7) is closed, and finally the fixture body (3) is opened, and the workpiece is taken out and cleaned.
10. The plunger type flushing solution processing device for mask electrolytic processing according to claim 9, characterized in that, during operation, the workpiece anode (1) to be processed is positioned on the side of the mask plate (2) far away from the clamp body (3); the clamp body (3), the mask plate (2) and the workpiece anode (1) to be processed are closely attached and matched with the plunger type cathode (8) so that the reaction cavity (12) is relatively closed.
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| CN104057164A (en) * | 2014-07-04 | 2014-09-24 | 西安工业大学 | Electrolytic machining device for special-shaped thin-walled curved-surface part |
| CN204397104U (en) * | 2015-02-02 | 2015-06-17 | 广东工业大学 | Orifice electrode scan-type mask electrolytic machining device |
| CN106312206A (en) * | 2016-09-29 | 2017-01-11 | 河南理工大学 | Electrolytic machining device and method for movable mask |
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Application publication date: 20220510 Assignee: Nanjing Yangquan Electronics Co.,Ltd. Assignor: NANJING University OF TECHNOLOGY Contract record no.: X2023980054091 Denomination of invention: A plunger type liquid flushing processing device for mask electrochemical machining Granted publication date: 20230124 License type: Common License Record date: 20231227 |
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