CN112427753A - Electrolytic machining method for rear support of die - Google Patents
Electrolytic machining method for rear support of die Download PDFInfo
- Publication number
- CN112427753A CN112427753A CN202011131552.8A CN202011131552A CN112427753A CN 112427753 A CN112427753 A CN 112427753A CN 202011131552 A CN202011131552 A CN 202011131552A CN 112427753 A CN112427753 A CN 112427753A
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- Prior art keywords
- electrolyte
- electrolytic
- tank
- conveying
- electrode
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- 238000003754 machining Methods 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 24
- 239000003792 electrolyte Substances 0.000 claims abstract description 57
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 46
- 238000003860 storage Methods 0.000 claims abstract description 31
- 238000005553 drilling Methods 0.000 claims abstract description 20
- 238000005086 pumping Methods 0.000 claims abstract description 4
- 238000005868 electrolysis reaction Methods 0.000 claims description 20
- 230000000087 stabilizing effect Effects 0.000 claims description 10
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 claims description 3
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 claims description 3
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 3
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 claims description 3
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 claims description 3
- 229910017604 nitric acid Inorganic materials 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 2
- 241001133184 Colletotrichum agaves Species 0.000 abstract description 7
- 230000008602 contraction Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000002950 deficient Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 239000011532 electronic conductor Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000010416 ion conductor Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- B23H3/04—Electrodes specially adapted therefor or their manufacture
-
- 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 relates to an electrolytic machining method for a mold back support, which comprises the following steps of: preparing an electrode matched with the diameter size of the electrolytic cell; assembling electrolytic equipment components: clamping the placing tray on the upper part in the water storage tank through a clamping block, injecting electrolyte into the water storage tank, and then electrifying the drilling machine and the placing tray to fix the electrodes; placing a workpiece: making the opening of the electrolytic bath and the opening of the electrolyte conveying groove correspond; conveying the electrolyte: pumping the electrolyte in the water storage tank through a water pumping pipe and conveying the electrolyte into an electrolyte conveying tank through a water conveying pipe to enable the electrolyte to be in contact with the inner wall of the electrolytic tank; electrolytic machining: the mounting plate is driven to move downwards through the contraction of the electric telescopic rod, the lower part of the electrode is connected in the electrolytic bath in an inserting mode, the electrode is driven to rotate through the drilling machine, and the electrolytic bath is drilled. According to the electrolytic machining method for the die back support, the die back support is machined through the electrolytic machining method, the machining time is short, the operation is convenient and fast, the accuracy is high, and the cost is low.
Description
Technical Field
The invention belongs to the technical field of die machining, and particularly relates to a die back support electrolytic machining method.
Background
The mold, used in the industrial production to get the various moulds and tools of the desired product by injection molding, blow molding, extrusion, die-casting or forging molding, smelting, stamping, etc., in short, the mold is the tool used for making the shaping article, this kind of tool is formed by various parts, different molds are formed by different parts, it mainly realizes the processing of the appearance of the article through the change of the physical state of the shaping material; electrolysis is a process of causing redox reactions at a cathode and an anode by passing a current through an electrolyte solution or a molten electrolyte, and an electrochemical cell can perform an electrolysis process when a direct current voltage is applied, and electrolysis is a process of performing the production of a synthetic high-purity substance of chemicals and the treatment of a material surface by using an electrochemical reaction occurring at an interface of an electrode as an electronic conductor and an electrolyte as an ionic conductor.
At present, the machining of the die back support in the market is carried out by an electric discharge or grinding method, the machining time is long, the difficulty is high, and defective products are easy to generate, so that the electrolytic machining method of the die back support is provided.
Disclosure of Invention
The invention aims to provide an electrolytic machining method for a rear support of a die, which is realized by the following technical scheme for solving the technical problems:
an electrolytic machining method for a mold back support comprises the following steps:
step one, preparing an electrode: preparing an electrode matched with the diameter size of the electrolytic cell;
step two, assembling electrolysis equipment parts: clamping the placing tray at the upper part in the water storage tank, injecting electrolyte into the water storage tank, electrically connecting two ends of the first electric wire and the second electric wire with the drilling machine and the placing tray respectively, and clamping one end of the electrode in the collet chuck for fixing;
step three, placing the workpiece: horizontally mounting the workpiece on the upper side of the placing tray, and enabling the electrolytic bath to correspond to the opening of the electrolyte conveying tank;
step four, conveying the electrolyte: opening a water suction pump, pumping out the electrolyte in the water storage tank through a water suction pipe and conveying the electrolyte into an electrolyte conveying tank through a water conveying pipe, so that the electrolyte is fully filled in the electrolytic tank and is in contact with the inner wall of the electrolytic tank;
step five, electrolytic machining: the mounting plate is driven to move downwards through the shrinkage of the electric telescopic rod, the lower portion of the electrode is connected in the electrolytic cell in an inserting mode, the electrode, the die main body and the electrolyte form a backflow circuit, the electrolytic reaction is completed, the electrode is driven to rotate through the drilling machine at the moment, and the electrolytic cell is drilled.
Preferably, the material of the electrode in the first step is red copper.
Preferably, the second step electrolysis equipment comprises a water storage tank, a placing tray is clamped at the inner upper part of the water storage tank, a mould main body is placed at the upper end of the placing tray, a first fixing plate is fixedly welded at the rear end of the water storage tank, an electric telescopic rod and two stabilizing rods are fixedly installed at the upper end of the first fixing plate, the electric telescopic rod is located between the two stabilizing rods, an installation plate is fixedly connected at the upper ends of the electric telescopic rod and the stabilizing rods together, a drilling machine is fixedly installed at the front end of the installation plate, a collet chuck is fixedly connected at the lower end of the drilling machine, an electrode is clamped in the collet chuck, a second fixing plate is fixedly welded at the right end of the water storage tank, an electrolysis device is placed at the upper end of the second fixing plate, and one end of the electrolysis device is electrically connected with a first electric wire and a second electric, the one end of an electric wire and No. two electric wires respectively with the drilling machine with place tray electric connection, fixed mounting has a suction pump in the catch basin, the equal fixed welding in lower extreme four corners of catch basin has a supporting leg.
Preferably, the middle part of the upper end of the placing tray is provided with an electrolyte conveying groove, and the placing tray is clamped in the water storage groove.
Preferably, an electrolytic tank is arranged in the die main body, the diameter of the electrolytic tank is smaller than that of the electrolyte conveying tank, and the circle center of the lower end of the electrolytic tank coincides with that of the upper end of the electrolyte conveying tank.
Preferably, the diameter of the water pipe is the same as that of the electrolyte conveying groove.
Preferably, the electrolyte is any one of nitric acid, hydrochloric acid, ethylene carbonate, diethyl carbonate, dimethyl carbonate, ethyl methyl carbonate, and the like.
The invention has the following beneficial effects:
1. in the invention, the red copper is used as the electrode, so that a current loop can be formed with the die and the electrolyte, and the die rear support is processed by adopting an electrolytic processing method, so that the processing mode is novel, the processing difficulty is reduced, the production efficiency is greatly improved, the rejection rate is reduced, the market price is lower, the purchase is convenient, and the processing cost is reduced;
2. in the invention, the mould main body is placed at the upper end of the placing tray, and the upper end of the drilling machine is tightly attached to the lower end of the placing tray, so that the reacted electrolyte can be led out through the electrolytic cell and enter the water storage tank again, the electrolyte can be recycled, and the electrolyte is saved.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the mold back support electrochemical machining apparatus of the present invention.
FIG. 2 is a schematic view of a partial structure of a mold main body of an embodiment of the mold back support electrochemical machining apparatus of the present invention.
FIG. 3 is a top view of the mold body tooling.
FIG. 4 is a plan view of an embodiment of the mold back rest electrochemical machining apparatus of the present invention.
Wherein: 1. a water storage tank; 2. placing a tray; 3. a mold body; 4. a first fixing plate; 5. an electric telescopic rod; 6. a stabilizing rod; 7. mounting a plate; 8. drilling machine; 9. a collet; 10. an electrode; 11. a second fixing plate; 12. an electrolysis device; 13. a first electric wire; 14. a second wire; 15. supporting legs; 16. a water pump; 21. an electrolyte delivery tank; 31. an electrolytic cell.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention is a method for electrolytic machining of a mold back support, comprising the following steps:
step one, preparing an electrode: preparing an electrode 10 matched with the diameter size of the electrolytic bath 31;
step two, assembling electrolysis equipment parts: clamping the placing tray 2 at the upper part in the water storage tank 1, injecting electrolyte into the water storage tank 1, electrically connecting two ends of a first electric wire 13 and a second electric wire 14 with the drilling machine 8 and the placing tray 2 respectively, and clamping one end of the electrode 10 in the collet chuck 9 for fixing;
step three, placing the workpiece: horizontally mounting the workpiece on the upper side of the placing tray 2, and making the electrolytic bath 31 correspond to the opening of the electrolyte conveying tank 21;
step four, conveying the electrolyte: the water suction pump 16 is turned on, the electrolyte in the water storage tank 1 is pumped out through the water suction pipe and is conveyed into the electrolyte conveying tank 21 through the water conveying pipe, so that the electrolyte is fully filled in the electrolytic tank 31 and is in contact with the inner wall of the electrolytic tank 31;
step five, electrolytic machining: the shrinkage of electric telescopic rod 5 drives mounting panel 7 to move down, makes the lower part of electrode 10 alternate and connect in electrolysis trough 31, makes electrode 10, mould main part 3 and electrolyte form the reflux circuit, accomplishes the electrolytic reaction, drives electrode 10 through drilling machine 8 this moment and rotates, carries out drilling processing to electrolysis trough 31.
In the first step, the electrode 10 is made of red copper, so that the price is low and the processing cost is low.
The electrolysis equipment comprises a water storage tank 1, a placing tray 2 is clamped at the inner upper part of the water storage tank 1, a mould main body 3 is placed at the upper end of the placing tray 2, a first fixing plate 4 is fixedly welded at the rear end of the water storage tank 1, an electric telescopic rod 5 and two stabilizing rods 6 are fixedly installed at the upper end of the first fixing plate 4, the electric telescopic rod 5 is positioned between the two stabilizing rods 6, a mounting plate 7 is fixedly connected at the upper ends of the electric telescopic rod 5 and the stabilizing rods 6 together, a drilling machine 8 is fixedly installed at the front end of the mounting plate 7, a collet chuck 9 is fixedly connected at the lower end of the drilling machine 8, an electrode 10 is clamped in the collet chuck 9, a second fixing plate 11 is fixedly welded at the right end of the water storage tank 1, an electrolysis device 12 is placed at the upper end of the second fixing plate 11, and one end of the electrolysis device 12 is electrically connected, one end of a first electric wire 13 and one end of a second electric wire 14 are respectively electrically connected with the drilling machine 8 and the placing tray 2, a water suction pump 16 is fixedly installed in the water storage tank 1, and supporting legs 15 are fixedly welded at four corners of the lower end of the water storage tank 1.
An electrolyte conveying groove 21 is formed in the middle of the upper end of the placing tray 2, and the placing tray 2 is connected to the upper portion of the water storage tank 1 in a clamping mode.
An electrolytic tank 31 is arranged in the die main body 3, the diameter size of the electrolytic tank 31 is smaller than that of the electrolyte conveying tank 21, and the circle center of the lower end of the electrolytic tank 31 is superposed with the circle center of the upper end of the electrolyte conveying tank 21, so that the electrolyte, the die main body 3 and the electrode 10 form a backflow circuit.
The diameter size of raceway is the same with the diameter size of electrolyte conveyer trough 21, is convenient for make electrolyte fully pass through in electrolyte conveyer trough 21 gets into electrolysis trough 31, and makes the electrolyte after the reaction get into accumulator 1 through electrolysis trough 31 once more in, recycles practice thrift the cost.
The electrolyte is any one of nitric acid, hydrochloric acid, ethylene carbonate, diethyl carbonate, dimethyl carbonate, methyl ethyl carbonate and the like.
The electrolytic machining method for the die back support has the advantages that the electrolytic machining method is adopted for machining the die back support, the machining mode is novel, the machining difficulty is reduced, the production efficiency is greatly improved, the defective rate is reduced, red copper is adopted as an electrode, the market price is low, the purchasing is convenient, the machining cost is low, the machining method is convenient and fast to operate, the structure is simple, the electrolyte can be recycled, and the cost is saved.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. The electrolytic machining method for the rear support of the die is characterized by comprising the following steps of:
step one, preparing an electrode: preparing an electrode matched with the diameter size of the electrolytic cell;
step two, assembling electrolysis equipment parts: clamping the placing tray at the upper part in the water storage tank, injecting electrolyte into the water storage tank, electrically connecting two ends of the first electric wire and the second electric wire with the drilling machine and the placing tray respectively, and clamping one end of the electrode in the collet chuck for fixing;
step three, placing the workpiece: horizontally mounting the workpiece on the upper side of the placing tray, and enabling the electrolytic bath to correspond to the opening of the electrolyte conveying tank;
step four, conveying the electrolyte: opening a water suction pump, pumping out the electrolyte in the water storage tank through a water suction pipe and conveying the electrolyte into an electrolyte conveying tank through a water conveying pipe, so that the electrolyte is fully filled in the electrolytic tank and is in contact with the inner wall of the electrolytic tank;
step five, electrolytic machining: the mounting plate is driven to move downwards through the shrinkage of the electric telescopic rod, the lower portion of the electrode is connected in the electrolytic cell in an inserting mode, the electrode, the die main body and the electrolyte form a backflow circuit, the electrolytic reaction is completed, the electrode is driven to rotate through the drilling machine at the moment, and the electrolytic cell is drilled.
2. The electrolytic machining method for the mold back support according to claim 1, wherein: the material of the first electrode in the step I is red copper.
3. The electrolytic machining method for the mold back support according to claim 1, wherein: the second step of electrolysis equipment comprises a water storage tank, a placing tray is clamped at the inner upper part of the water storage tank, a mould main body is placed at the upper end of the placing tray, a first fixing plate is fixedly welded at the rear end of the water storage tank, an electric telescopic rod and two stabilizing rods are fixedly installed at the upper end of the first fixing plate, the electric telescopic rod is located between the two stabilizing rods, an installation plate is fixedly connected at the upper ends of the electric telescopic rod and the stabilizing rods together, a drilling machine is fixedly installed at the front end of the installation plate, a collet chuck is fixedly connected at the lower end of the drilling machine, an electrode is clamped in the collet chuck, a second fixing plate is fixedly welded at the right end of the water storage tank, an electrolysis device is placed at the upper end of the second fixing plate, and one end of the electrolysis device is electrically connected with a first electric wire and a, the one end of an electric wire and No. two electric wires respectively with the drilling machine with place tray electric connection, fixed mounting has a suction pump in the catch basin, the equal fixed welding in lower extreme four corners of catch basin has a supporting leg.
4. The electrolytic machining method for the mold back support according to claim 3, wherein: the middle part of the upper end of the placing tray is provided with an electrolyte conveying groove, and the placing tray is clamped at the upper part in the water storage groove.
5. The electrolytic machining method for the mold back support according to claim 3, wherein: an electrolytic tank is arranged in the die main body, the diameter size of the electrolytic tank is smaller than that of the electrolyte conveying tank, and the circle center of the lower end of the electrolytic tank coincides with that of the upper end of the electrolyte conveying tank.
6. The electrolytic machining method for the mold back support according to claim 3, wherein: the diameter size of the water conveying pipe is the same as that of the electrolyte conveying groove.
7. The electrolytic machining method for the mold back support according to claim 1, wherein: the electrolyte is any one of nitric acid, hydrochloric acid, ethylene carbonate, diethyl carbonate, dimethyl carbonate, methyl ethyl carbonate and the like.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011131552.8A CN112427753A (en) | 2020-10-21 | 2020-10-21 | Electrolytic machining method for rear support of die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011131552.8A CN112427753A (en) | 2020-10-21 | 2020-10-21 | Electrolytic machining method for rear support of die |
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| Publication Number | Publication Date |
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| CN112427753A true CN112427753A (en) | 2021-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011131552.8A Pending CN112427753A (en) | 2020-10-21 | 2020-10-21 | Electrolytic machining method for rear support of die |
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| CN108890052A (en) * | 2018-06-29 | 2018-11-27 | 南京航空航天大学 | Gas injection supplementary insulation formula electrolysis cutting cathode and processing method |
| CN108971676A (en) * | 2018-09-12 | 2018-12-11 | 南京航空航天大学 | It is electrolysed punch-cuts integration processing pipe electrode and device and method |
-
2020
- 2020-10-21 CN CN202011131552.8A patent/CN112427753A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000094220A (en) * | 1998-09-22 | 2000-04-04 | Fuji Xerox Co Ltd | Fine cutting method and fine cutter |
| US20060042931A1 (en) * | 2004-08-21 | 2006-03-02 | Georg Schmidt | ECM-machine |
| CN101633066A (en) * | 2009-07-24 | 2010-01-27 | 南京航空航天大学 | Vacuum backflow electrolysis processing method and vacuum backflow electrolysis processing device |
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