CN117655433B - Miniature small hole processing method - Google Patents
Miniature small hole processing method Download PDFInfo
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- CN117655433B CN117655433B CN202410132627.6A CN202410132627A CN117655433B CN 117655433 B CN117655433 B CN 117655433B CN 202410132627 A CN202410132627 A CN 202410132627A CN 117655433 B CN117655433 B CN 117655433B
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- hole
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- 238000003672 processing method Methods 0.000 title claims abstract description 9
- 238000003754 machining Methods 0.000 claims abstract description 52
- 239000012530 fluid Substances 0.000 claims abstract description 38
- 239000002699 waste material Substances 0.000 claims abstract description 35
- 238000005520 cutting process Methods 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims description 64
- 238000005192 partition Methods 0.000 claims description 18
- 238000012545 processing Methods 0.000 claims description 16
- 239000012535 impurity Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 11
- 239000011344 liquid material Substances 0.000 claims description 5
- 238000009825 accumulation Methods 0.000 claims description 3
- 238000006116 polymerization reaction Methods 0.000 claims description 3
- 238000007781 pre-processing Methods 0.000 abstract description 4
- 238000009760 electrical discharge machining Methods 0.000 abstract 3
- 239000012224 working solution Substances 0.000 description 9
- 238000003825 pressing Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 5
- 239000002923 metal particle Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000010892 electric spark Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
The invention discloses a micro small hole processing method, which relates to the technical field of precision machining and comprises the following steps: s1, fixing a die insert on a rotary support on a workbench, so that a worker can conveniently rotate; s2, rotating the die insert, and performing electric discharge machining on the upward bottom surface of the die insert by using a puncher to achieve the aim of preprocessing; s3, rotating the die insert, performing spark machining on the front surface of the die insert, starting a working fluid adder, enabling working fluid flowing out of a fluid leakage port to be doped with waste materials, enabling the working fluid to enter a fluid guide plate, performing pre-machining through a perforating machine, performing spark machining through the first spark machine, adding the working fluid to discharge surplus waste materials, enabling a hole to be communicated through spark machining of the second spark machine to form a through hole, and finally machining the through hole to a dimension tolerance through a wire cutting machine to form a top pinhole, and reducing the rejection rate by using a three-stage machining mode to improve the machining efficiency of micro small holes.
Description
Technical Field
The invention relates to the technical field of precision machining, in particular to a micro small hole machining method.
Background
Micro-pinhole processing is a precision processing technique for micro-sized holes. In modern manufacturing, microperforation is widely used in microelectronics, optics, biomedical and other fields. Common micro-hole machining methods include electrochemical machining, laser machining, electron beam machining, mechanical machining, and the like. The choice of a particular method depends on factors such as the pore size, materials, precision requirements, and processing efficiency desired. Among them, electric discharge machining is a non-conventional machining method for performing metal machining using the principle of electric discharge. The electric spark discharge is formed between the workpiece and the electrode, so that local high temperature and high pressure are generated on the surface of the workpiece, and the workpiece material is dissolved and separated, so that the machining purpose is realized.
In the prior art, since micro-hole machining belongs to the field of precision machining, in the process of machining micro-holes, process optimization is an important factor influencing machining quality and efficiency, and if the process optimization is insufficient, the problems of low machining efficiency, unstable machining quality and the like are caused, so that in the subsequent machining process, the condition of higher rejection rate is caused, and normal machining working efficiency is influenced.
Disclosure of Invention
The invention aims to provide a micro small hole processing method to solve the problems of insufficient process optimization and high rejection rate.
The invention is realized by the following technical scheme:
a micro small hole processing method comprises the following steps:
s1, fixing a die insert on a rotary support on a workbench, so that a worker can conveniently rotate;
s2, rotating the die insert, and performing electric discharge machining on the upward bottom surface of the die insert by using a puncher to achieve the aim of preprocessing;
S3, rotating the die insert, performing electric discharge machining on the front surface of the die insert by using a first spark machine, simultaneously starting a working fluid adder, enabling working fluid flowing out of a fluid leakage port to dope waste materials, enabling the working fluid to enter a fluid guide plate together, enabling liquid in the middle part of the fluid guide plate to flow to the edge due to guiding of a tilting plate, slowing down the flow rate of the liquid through a semicircular block, increasing the weight of the waste materials due to accumulation of the entering liquid until the accumulated weight presses down a baffle plate to rotate to open a channel below the fluid guide plate, enabling the downward rotation of the baffle plate to pull a pull rod to move downwards, enabling the top of the pull rod to pull the tilting plate to move downwards, enabling the tilting plate to move downwards to press a pressing rod, enabling a total rod to move downwards along with the downward movement, enabling the total rod to drive the semicircular block to slide downwards along the tilting part of the edge of the fluid guide plate, scraping the surface of the tilting part of the edge of the fluid guide plate to remove the attached impurities, and enabling the added working fluid to mainly act to remove the generated metal particles and the impurities to perform the machining process of the die insert, wherein the excessive impurities are generated in the process of the die insert and the process is cooled by the small in the front of the machine;
S4, removing the first spark machine, installing the second spark machine, performing electric discharge machining on the front surface of the mold insert by using the second spark machine, and connecting a hole subjected to electric discharge machining by a perforating machine, so as to finally ensure that the hole is a through hole;
S5, after finishing the machining of the second spark machine, withdrawing, performing wire cutting machining on the through hole by using a wire cutting machine, and finally obtaining a top pinhole by enabling the machining size of the through hole in the small groove of the through hole die insert to be within a tolerance;
s6, the processing equipment is removed, the fixation of the die insert is released, and waste liquid and waste materials on the workbench are cleaned.
Further, the working solution adder in S3 is fixedly arranged at the top of the first spark machine, the top of the first spark machine is fixedly provided with a coaming, a liquid leakage port is formed in the coaming, the liquid leakage port is located in the middle of the height of the coaming, the stability of the liquid level in the coaming is maintained, and the working solution is prevented from submerging the first spark machine to influence normal work.
Further, the outside fixed mounting of weeping mouth in S3 has the drain board, slidable mounting has the semicircle piece on the slope side in the drain board, semicircle piece top fixed mounting has the spliced pole, spliced pole top fixed mounting has total pole, total pole top is established to the arc form, the polymerization department in the drain board rotates installs the baffle, be equipped with elastic element between baffle bottom and the drain board for the speed of liquid gets into the free fall form when getting into the passageway of drain board below, alleviates the velocity of flow and prevents the scratch.
Further, the pull rod is installed in the baffle top rotation in S3, the inclined plate is installed in the rotation of pull rod top, inclined plate slidable mounting is in the drain inboard, the depression bar is installed in the rotation of inclined plate bottom, the depression bar bottom is installed in total pole outside in the rotation, dispels the impurity of adhesion, prevents that the surface from attaching the protruding smoothness of assurance.
Further, the arc-shaped rod is rotatably arranged at the bottom of the total rod, an elastic element is arranged between the outer part of the arc-shaped rod and the outer part of the semicircular block, a first lug is fixedly arranged on the side end surface of the arc-shaped rod, which is close to the pull rod, a second lug is fixedly arranged on the surface of the bottom of the arc-shaped rod, so that the surface is promoted to be attached to the dropping of liquid and waste, and the treatment efficiency is improved.
Further, in the step S2, the upward bottom surface of the die insert is electrically discharged by a puncher (phi 0.3), and the machining is stopped until the machining through hole is 5mm away from the other end.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. According to the invention, a pre-processing state is firstly carried out through a perforating machine, then the first spark machine is used for electric discharge processing, meanwhile, the working solution is added to discharge redundant waste, the second spark machine is used for electric discharge processing to connect the holes to form through holes, finally, the through holes are processed to be within dimensional tolerance through a wire cutting machine to form top pinholes, and the waste rate is reduced by utilizing a three-stage processing mode, so that the processing efficiency of micro pinholes is improved;
2. According to the invention, the generated metal particles and other impurities are removed by adding the working solution, and the metal particles and other impurities comprise redundant waste materials generated on a small groove of a die insert in the discharge machining process of a perforating machine in the previous step, and are cooled at the same time, high-energy discharge can be generated between an electrode and a workpiece in the electric spark machining process, so that the local temperature is increased, part of heat can be absorbed and taken away by the working solution through the cooling effect, the temperature of the electrode and the workpiece is reduced, and deformation, melting or damage caused by overheating is prevented;
3. According to the invention, the flow rate of liquid can be slowed down through the semicircular block, the situation that the liquid just enters the liquid and falls down directly is prevented from being too fast, the doped waste materials scratch the inside of the liquid guide plate is prevented, meanwhile, the surface of the inclined part of the edge of the liquid guide plate can be subjected to sliding scraping, the attached impurities are removed, the surface attaching protrusions are prevented from guaranteeing smoothness, meanwhile, the sliding of the semicircular block pushes the waste materials to move, and the waste materials are easier to turn over the arc-shaped surface of the semicircular block at the moment due to acting force and reaction force, so that the movement of the waste materials on the inclined surface is promoted, and the waste materials are conveniently discharged when the partition plate is opened;
4. According to the invention, when the partition plate is opened by downward rotation, the total rod can slide downwards along the inclined surface of the liquid guide plate due to downward movement of the compression rod and the inclined plate, the two groups of arc rods which are bilaterally symmetrical are gradually close, the first lug presses the tension rod to generate displacement vibration, so that dropping of liquid and waste attached to the surface of the tension rod is promoted, corrosion is prevented from being generated due to long-term attachment, the second lug generates self-shaking after the two groups of arc rods are contacted with each other along with continuous movement, dropping is promoted, meanwhile, the vibration efficiency of the tension rod is improved due to repeated knocking action, the other end of the elastic element pushes the semicircular block to repeatedly slide through elastic force transmission of the elastic element, liquid and waste on the surface of the semicircular block are enabled to drop rapidly, and the discharging efficiency of the partition plate when the partition plate is opened is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of embodiments of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application. In the drawings:
FIG. 1 is a schematic flow chart of the steps of the present invention;
FIG. 2 is a schematic view of the external structure of the mold insert;
FIG. 3 is a partial schematic view of a first spark machine mounting structure;
FIG. 4 is a partial schematic view of a second spark machine mounting structure;
FIG. 5 is a schematic top view of the exterior partial structure of the coaming;
FIG. 6 is a schematic view of the internal part structure of the liquid guiding plate;
FIG. 7 is an enlarged schematic view of the structure A in FIG. 6;
FIG. 8 is a schematic view of the external partial structure of the tie rod;
Fig. 9 is a schematic view of the exterior partial structure of the arc-shaped rod.
The reference numerals are represented as follows: the mold comprises a mold insert, a 2-jacking hole, a 3-first spark machine, a 4-second spark machine, a 5-coaming, a 6-working fluid adder, a 7-liquid leakage port, an 8-liquid guide plate, a 9-semicircular block, a 10-connecting column, an 11-total rod, a 12-partition plate, a 13-pull rod, a 14-inclined plate, a 15-compression rod, a 16-arc rod, a 17-first bump and a 18-second bump.
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present invention and the descriptions thereof are for illustrating the present invention only and are not to be construed as limiting the present invention. It should be noted that the present invention is already in a practical development and use stage.
As shown in fig. 1 to 9, the present embodiment includes the steps of:
s1, fixing the die insert 1 on a rotary support on a workbench.
S2, rotating the die insert 1, and performing electric discharge machining on the upward bottom surface of the die insert 1 by using a puncher;
Specifically, the die insert is rotated to make the bottom face upward and fixed, and then the upward bottom face of the die insert is electrically discharged by a puncher (phi 0.3) until the machining through hole is 5mm away from the other end, and the purpose of preprocessing is achieved.
S3, rotating the die insert 1, and performing electric discharge machining on the front surface of the die insert 1 by using a first spark machine 3;
Further, through the rotary support on the workbench, the die insert is rotated and the front surface of the die insert is upwards and fixed, the spark machine 3 is used for electric discharge machining on the front surface of the die insert, meanwhile, the working fluid adder 6 is started, and the main function of adding the working fluid is to remove generated metal particles and other impurities, including the redundant waste materials generated on the small groove of the die insert 1 in the electric discharge machining process of the perforating machine in the previous step, and meanwhile, cooling is carried out, high-energy discharge is generated between an electrode and a workpiece in the electric discharge machining process, so that the local temperature is increased, part of heat can be absorbed and taken away by the working fluid through the cooling function, the temperature of the electrode and the workpiece is reduced, and deformation, melting or damage caused by overheating is prevented;
Further, the working solution adder 6 is fixedly arranged at the top of the first spark machine 3, the output end of the working solution adder 6 is made of a plastic hose material, the angle of the working solution adder can be freely changed for output, the top of the first spark machine 3 is fixedly provided with the coaming 5, the coaming 5 is provided with a liquid leakage port 7, the liquid leakage port 7 is positioned at the middle position of the height of the coaming 5, the stable liquid level in the coaming 5 can be maintained, the working solution is prevented from submerging the first spark machine 3 to influence the normal work, and meanwhile, the impurity floating to the liquid level is conveniently discharged;
Further, the outside of the liquid leakage port 7 is fixedly provided with a liquid guide plate 8, the inside of the liquid guide plate 8 is hollow, the upper part is large and the lower part is small, the liquid is convenient to flow, the bottom of the liquid guide plate faces the installation direction of the mold insert 1, the secondary auxiliary use of working liquid is convenient, a semicircular block 9 is slidably arranged on the inclined side surface in the liquid guide plate 8, the top of the semicircular block 9 is fixedly provided with a connecting column 10, the top of the connecting column 10 is fixedly provided with a total rod 11, the top of the total rod 11 is arranged in an arc shape, the liquid is convenient to slide down, a polymerization part in the liquid guide plate 8 is rotatably provided with a baffle plate 12, an elastic element is arranged between the bottom of the baffle plate 12 and the liquid guide plate 8, the elastic element is a metal elastic sheet, the rotation of the baffle plate 12 has elastic restoring force, the top of the baffle plate 12 is rotatably provided with a pull rod 13, the top of the pull rod 13 is rotatably provided with a tilting plate 14, and the tilting plate 14 is slidably arranged in the liquid guide plate 8, the bottom of the inclined plate 14 is rotatably provided with a pressing rod 15, the bottom of the pressing rod 15 is rotatably arranged outside the total rod 11, during operation, working fluid flowing out of the fluid leakage port 7 is doped with waste materials, so that the waste materials enter the fluid guide plate 8 together, the fluid in the middle part of the fluid guide plate 8 flows to the edge due to the guiding of the inclined plate 14, the fluid in the fluid guide plate 8 mainly flows downwards along the edge of the fluid guide plate 8, the flow rate of the fluid can be slowed down through the semicircular block 9, the condition that the fluid just enters the fluid and directly drops downwards is too fast is prevented, the doped waste materials scratch and damage the fluid guide plate 8, the fluid entering in an initial state can be blocked at the partition plate 12, the speed of the fluid enters the free-falling state when entering the channel below the fluid guide plate 8, the flow rate is lightened, the scratch is prevented, the aggregation of the waste materials causes the weight increase along with the increase of the entering fluid, until the accumulated weight presses the partition plate 12 downwards to rotate and open the channel below the liquid guide plate 8, the downward rotation of the partition plate 12 pulls the pull rod 13 to move downwards, the top of the pull rod 13 pulls the inclined plate 14 to move downwards, the inclined plate 14 moves downwards to press the pressing rod 15 to move downwards, the pressing rod 15 moves downwards to drive the total rod 11 to move downwards, the total rod 11 drives the semicircular block 9 to slide downwards through the connecting column 10, so that the semicircular block 9 can slide downwards along the inclined part of the edge of the liquid guide plate 8, the surface of the inclined part of the edge of the liquid guide plate 8 is scraped in a sliding manner, attached impurities are removed, the smoothness of the surface attaching protrusions is prevented, meanwhile, the sliding of the semicircular block 9 pushes the movement of waste, and the waste is easier to turn over the arc-shaped surface of the semicircular block 9 due to acting force and reaction force, so that the movement of the waste on the inclined surface is promoted, the waste is conveniently discharged when the partition plate 12 is opened, and the movement of the inclined plate 14 also scrapes the liquid and the waste attached to the inner surface of the liquid guide plate 8, so that the discharging efficiency is improved;
Further, the bottom of the total rod 11 is rotatably provided with an arc rod 16, an elastic element is arranged between the outer part of the arc rod 16 and the outer part of the semicircular block 9, and a metal elastic sheet is used as the elastic element, so that the rotation of the arc rod 16 has elastic restoring force, a first bump 17 is fixedly arranged on the side end surface of the arc rod 16 close to the pull rod 13, the first bump 17 is arranged close to the outer part of the pull rod 13, a second bump 18 is fixedly arranged on the bottom surface of the arc rod 16, as shown in fig. 7, in the scheme, the total rod 11, the partition plate 12, the pull rod 13, the inclined plate 14, the pressing rod 15, the arc rod 16, the first bump 17 and the second bump 18 are all provided with two groups and are distributed symmetrically about the liquid guide plate 8, and in specific operation, when the partition plate 12 is opened by downward rotation of the partition plate 12, the total rod 11 slides downward along the inclined surface of the liquid guide plate 8 due to downward movement of the pressing rod 15 and the inclined plate 14, the total rod 11 drives the arc rods 16 to move along with the downward sliding of the total rod 11, the two groups of arc rods 16 which are bilaterally symmetrical gradually approach each other, meanwhile, the first lug 17 extrudes the pull rod 13 in the sliding process of following the arc rods 16, so that the pull rod 13 is extruded to generate displacement vibration, the dropping of liquid and waste attached to the surface of the pull rod 13 is promoted, corrosion is prevented from being generated due to long-term attachment, after the two groups of arc rods 16 are contacted, the two groups of arc rods 16 rotate upwards due to interaction force along with the continuous movement, the second lug 18 on the two groups of arc rods 16 are extruded with each other, repeated knocking actions are formed due to the elasticity of the elastic element, self-shaking is generated after the two groups of arc rods 16 are contacted, the dropping is promoted, and meanwhile, due to repeated knocking actions, the arc-shaped rods 16 can drive the first protruding blocks 17 to repeatedly squeeze the pull rods 13, vibration efficiency of the pull rods 13 is improved, dropping of liquid and waste materials attached to the surfaces is promoted, treatment efficiency is improved, in addition, in the shaking process of the two groups of arc-shaped rods 16, the other ends of the elastic elements can push the semicircular blocks 9 to repeatedly slide through elastic force transmission of the elastic elements, liquid and waste materials on the surfaces of the semicircular blocks 9 can be dropped rapidly, and discharge efficiency of the partition plate 12 during opening is improved.
S4, removing the first spark machine 3, installing the second spark machine 4, performing electric discharge machining on the front surface of the die insert 1 by using the second spark machine 4, and connecting a hole subjected to electric discharge machining by a perforating machine, so that the hole is finally ensured to be a through hole;
S5, after finishing the processing of the second spark machine 4, withdrawing, performing wire cutting processing on the through hole by using a wire cutting machine, and finally obtaining a top pinhole 2 by enabling the processing size of the through hole in the small groove of the through hole die insert 1 to be within a tolerance;
and S6, the processing equipment is removed, the fixation of the die insert 1 is released, and waste liquid and waste materials on the workbench are cleaned.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the invention, and is not meant to limit the scope of the invention, but to limit the invention to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (5)
1. The micro small hole processing method is characterized by comprising the following steps of:
S1, fixing a die insert (1) on a rotary bracket on a workbench;
S2, rotating the die insert (1), and performing electric discharge machining on the upward bottom surface of the die insert (1) by using a puncher;
s3, rotating the die insert (1), carrying out electric discharge machining on the front surface of the die insert (1) by using a first spark machine (3), simultaneously starting a working fluid adder (6), wherein the working fluid adder (6) is fixedly arranged at the top of the first spark machine (3), a coaming (5) is fixedly arranged at the top of the first spark machine (3), a liquid leakage opening (7) is formed in the coaming (5), a liquid guide plate (8) is fixedly arranged outside the liquid leakage opening (7), a semicircular block (9) is slidably arranged on the inclined side surface in the liquid guide plate (8), a connecting column (10) is fixedly arranged at the top of the semicircular block (9), a total rod (11) is fixedly arranged at the top of the connecting column (10), a partition plate (12) is rotatably arranged at the polymerization position in the liquid guide plate (8), a pull rod (13) is rotatably arranged at the top of the partition plate (12), a liquid leakage plate (14) is slidably arranged in the liquid guide plate (8), a liquid guide rod (15) is rotatably arranged at the bottom of the liquid guide plate (8), the liquid guide plate (15) and then flows out of the liquid guide plate (8), the total rod (15) and the liquid guide plate (15) is rotatably arranged at the bottom of the liquid guide plate (8), the liquid in the middle part in the liquid guide plate (8) flows to the edge due to the guiding of the inclined plate (14), the flow rate of the liquid is slowed down through the semicircular blocks (9), along with the increase of the incoming liquid, the accumulation of waste materials leads to the increase of weight until the accumulation weight presses the partition plate (12) downwards to rotate to open a channel below the liquid guide plate (8), the downward rotation of the partition plate (12) pulls the pull rod (13) to move downwards, the top of the pull rod (13) pulls the inclined plate (14) to move downwards, the downward movement of the inclined plate (14) can push the press rod (15) to move downwards, the downward movement of the press rod (15) can drive the total rod (11) to move downwards, the total rod (11) can drive the semicircular blocks (9) to slide downwards through the connecting columns (10), the semicircular blocks (9) slide downwards along the inclined part of the edge of the liquid guide plate (8), and the surface of the inclined part of the edge of the liquid guide plate (8) is scraped to remove attached impurities;
S4, removing the first spark machine (3) and installing the second spark machine (4), performing electric discharge machining on the front surface of the die insert (1) by using the second spark machine (4), and connecting a hole subjected to electric discharge machining by a perforating machine, so that the hole is finally ensured to be a through hole;
s5, after finishing the processing of the second spark machine (4), withdrawing, performing wire cutting processing on the through hole by using a wire cutting machine, and finally obtaining a top pinhole (2) by enabling the processing size of the through hole in the small groove of the through hole die insert (1) to be within a tolerance;
s6, the processing equipment is removed, the fixation of the die insert (1) is released, and waste liquid and waste materials on the workbench are cleaned.
2. The micro-hole processing method according to claim 1, wherein: and the liquid leakage port (7) in the step S3 is positioned at the middle position of the height of the coaming (5).
3. The micro-hole processing method according to claim 1, wherein: the top of the total rod (11) is in an arc shape, and an elastic element is arranged between the bottom of the partition plate (12) and the liquid guide plate (8).
4. A method of micro-hole machining according to claim 3, wherein: the novel lifting device is characterized in that an arc-shaped rod (16) is rotatably arranged at the bottom of the total rod (11), an elastic element is arranged between the outer portion of the arc-shaped rod (16) and the outer portion of the semicircular block (9), a first lug (17) is fixedly arranged on the side end surface of the arc-shaped rod (16) close to the pull rod (13), the first lug (17) is arranged close to the outer portion of the pull rod (13), and a second lug (18) is fixedly arranged on the bottom surface of the arc-shaped rod (16).
5. The micro-hole processing method according to claim 1, wherein: and S2, performing electric discharge machining on the upward bottom surface of the die insert (1) by using a puncher, and stopping machining until the distance between the machined through hole and the other end is 5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410132627.6A CN117655433B (en) | 2024-01-31 | 2024-01-31 | Miniature small hole processing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410132627.6A CN117655433B (en) | 2024-01-31 | 2024-01-31 | Miniature small hole processing method |
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| CN117655433A CN117655433A (en) | 2024-03-08 |
| CN117655433B true CN117655433B (en) | 2024-04-16 |
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Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001328027A (en) * | 2000-05-23 | 2001-11-27 | Sodick Co Ltd | Electric discharge machine |
| TWI255747B (en) * | 2004-11-22 | 2006-06-01 | Metal Ind Res & Dev Ct | Tool set used for micro machining and method for making the same and a method of micro machining |
| EP1707292A2 (en) * | 2005-04-01 | 2006-10-04 | Fanuc Ltd | Machining fluid level detection device for wire cut electrical discharge machines |
| JP2010099813A (en) * | 2008-10-27 | 2010-05-06 | Mitsubishi Electric Corp | Wire electric discharge machining apparatus and method of controlling fluid level of the same |
| EP2497594A1 (en) * | 2011-03-08 | 2012-09-12 | Fanuc Corporation | Working fluid filtration device of electric discharge machine |
| CN103341671A (en) * | 2013-07-03 | 2013-10-09 | 南京航空航天大学 | Device and process for local thinning electric spark machining on complicated shape sheet piece |
| CN207272355U (en) * | 2017-10-25 | 2018-04-27 | 青岛双友工贸有限公司 | A kind of high speed electric spark small hole machine working solution apparatus for placing |
| CN207615817U (en) * | 2018-01-27 | 2018-07-17 | 温州市爱好笔业有限公司 | A kind of work tank of spark-erosion machine tool |
| CN209006829U (en) * | 2018-10-17 | 2019-06-21 | 深圳市金华源五金制品有限公司 | A kind of spark-erosion perforating machine |
| CN110936223A (en) * | 2019-12-25 | 2020-03-31 | 黎艳芳 | Cutting fluid recovery unit for digit control machine tool |
| CN210306116U (en) * | 2019-08-13 | 2020-04-14 | 昆山宇镁模具有限公司 | Rotary disc type electric spark small hole machine |
| CN211727793U (en) * | 2020-03-02 | 2020-10-23 | 苏州捷仕达模具科技有限公司 | Electric spark machining working solution filtering device |
| CN112894038A (en) * | 2021-02-26 | 2021-06-04 | 河海大学常州校区 | Curved surface electrolytic machining device and system |
| CN113275677A (en) * | 2021-05-31 | 2021-08-20 | 荆州市紫荆龙创机械制造有限公司 | Working liquid scrap removing device of electric spark forming machine |
| CN113369604A (en) * | 2021-08-16 | 2021-09-10 | 南通迪盛数控机床有限公司 | Intelligent electric spark forming manufacturing system |
| CN216177379U (en) * | 2021-10-09 | 2022-04-05 | 德阳市亿威科技有限公司 | Fixing device of wire cut electric discharge machine for pipe fitting |
| CN216462291U (en) * | 2021-12-06 | 2022-05-10 | 苏州亿成电子科技有限公司 | Electric discharge machine with chip cleaning function |
| CN116021100A (en) * | 2023-03-23 | 2023-04-28 | 成都宝利根创科电子有限公司 | Machining method for machining precision small boss type molded parts by electric spark |
| CN116673554A (en) * | 2023-06-09 | 2023-09-01 | 河北快航新材料科技有限公司 | Electric spark perforating machine |
-
2024
- 2024-01-31 CN CN202410132627.6A patent/CN117655433B/en active Active
Patent Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001328027A (en) * | 2000-05-23 | 2001-11-27 | Sodick Co Ltd | Electric discharge machine |
| TWI255747B (en) * | 2004-11-22 | 2006-06-01 | Metal Ind Res & Dev Ct | Tool set used for micro machining and method for making the same and a method of micro machining |
| EP1707292A2 (en) * | 2005-04-01 | 2006-10-04 | Fanuc Ltd | Machining fluid level detection device for wire cut electrical discharge machines |
| JP2010099813A (en) * | 2008-10-27 | 2010-05-06 | Mitsubishi Electric Corp | Wire electric discharge machining apparatus and method of controlling fluid level of the same |
| EP2497594A1 (en) * | 2011-03-08 | 2012-09-12 | Fanuc Corporation | Working fluid filtration device of electric discharge machine |
| CN103341671A (en) * | 2013-07-03 | 2013-10-09 | 南京航空航天大学 | Device and process for local thinning electric spark machining on complicated shape sheet piece |
| CN207272355U (en) * | 2017-10-25 | 2018-04-27 | 青岛双友工贸有限公司 | A kind of high speed electric spark small hole machine working solution apparatus for placing |
| CN207615817U (en) * | 2018-01-27 | 2018-07-17 | 温州市爱好笔业有限公司 | A kind of work tank of spark-erosion machine tool |
| CN209006829U (en) * | 2018-10-17 | 2019-06-21 | 深圳市金华源五金制品有限公司 | A kind of spark-erosion perforating machine |
| CN210306116U (en) * | 2019-08-13 | 2020-04-14 | 昆山宇镁模具有限公司 | Rotary disc type electric spark small hole machine |
| CN110936223A (en) * | 2019-12-25 | 2020-03-31 | 黎艳芳 | Cutting fluid recovery unit for digit control machine tool |
| CN211727793U (en) * | 2020-03-02 | 2020-10-23 | 苏州捷仕达模具科技有限公司 | Electric spark machining working solution filtering device |
| CN112894038A (en) * | 2021-02-26 | 2021-06-04 | 河海大学常州校区 | Curved surface electrolytic machining device and system |
| CN113275677A (en) * | 2021-05-31 | 2021-08-20 | 荆州市紫荆龙创机械制造有限公司 | Working liquid scrap removing device of electric spark forming machine |
| CN113369604A (en) * | 2021-08-16 | 2021-09-10 | 南通迪盛数控机床有限公司 | Intelligent electric spark forming manufacturing system |
| CN216177379U (en) * | 2021-10-09 | 2022-04-05 | 德阳市亿威科技有限公司 | Fixing device of wire cut electric discharge machine for pipe fitting |
| CN216462291U (en) * | 2021-12-06 | 2022-05-10 | 苏州亿成电子科技有限公司 | Electric discharge machine with chip cleaning function |
| CN116021100A (en) * | 2023-03-23 | 2023-04-28 | 成都宝利根创科电子有限公司 | Machining method for machining precision small boss type molded parts by electric spark |
| CN116673554A (en) * | 2023-06-09 | 2023-09-01 | 河北快航新材料科技有限公司 | Electric spark perforating machine |
Non-Patent Citations (2)
| Title |
|---|
| 基于复合工作液的高压喷液电火花线切割实验分析;李建军;刘志东;田宗军;黄因慧;程国柱;;模具制造;20090108(第01期);全文 * |
| 电火花数控线切割加工应用扩展技术研究;王新荣;姜永成;张霞;王冬;;佳木斯大学学报(自然科学版);20060930(第03期);全文 * |
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