CN110640243A - Cluster electrode rotating and clamping device for multi-channel discharge ablation milling - Google Patents
Cluster electrode rotating and clamping device for multi-channel discharge ablation milling Download PDFInfo
- Publication number
- CN110640243A CN110640243A CN201810703601.7A CN201810703601A CN110640243A CN 110640243 A CN110640243 A CN 110640243A CN 201810703601 A CN201810703601 A CN 201810703601A CN 110640243 A CN110640243 A CN 110640243A
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- Prior art keywords
- cluster electrode
- rotary joint
- electrode
- cluster
- slip ring
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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
- B23H1/00—Electrical discharge machining, i.e. removing metal with a series of rapidly recurring electrical discharges between an electrode and a workpiece in the presence of a fluid dielectric
-
- 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
- B23H11/00—Auxiliary apparatus or details, not otherwise provided for
-
- 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
- B23H2400/00—Moving mechanisms for tool electrodes
- B23H2400/10—Moving mechanisms for tool electrodes for rotating the electrode
Abstract
A cluster electrode rotary clamping device for multi-channel discharge ablation milling comprises a synchronous belt (3), a direct current motor (5), an SMC rotary joint (9) and a conductive sliding ring (17). The device is characterized in that a direct current motor (5) and a beam-collecting electrode (7) are connected and driven through a synchronous belt (3); a rotor end lead (16) of the conductive slip ring (17) is connected with a current inlet lead (13) of the cluster electrode, and a stator end lead (20) of the conductive slip ring (17) is connected with a power line of the electric spark machine tool, so that the current inlet of the cluster electrode is realized; one end of the rotary joint connecting piece (8) is in interference fit with an air inlet pipe of the cluster electrode (7), the other end of the rotary joint connecting piece is in interference fit with a pipe nut (23), and the pipe nut (23) is in threaded connection with the rotary end of the SMC rotary joint (9) through a pipe, so that air inlet and mist inlet of the cluster electrode are realized. The invention can realize the electricity, gas and fog feeding and rotation of the cluster electrode and is used for multi-channel discharge ablation milling processing of planes, grooves and special profiles of dies.
Description
Technical Field
The invention relates to a cluster electrode rotating clamping device for multi-channel discharge ablation milling, which is used for processing planes, grooves and special profiles of dies, in particular to a clamping device for multi-channel discharge ablation milling and realizing the power feeding, air mist feeding and rotation of a cluster electrode.
Background
The electric spark machining utilizes the conversion of electric energy into heat energy to remove workpiece materials, is only related to the electrical conductivity of a machined object, is not related to mechanical properties such as hardness and strength of the machined object, and is an important method for metal machining. However, the electric discharge machining has disadvantages of low machining efficiency and relatively poor surface quality, compared to the mechanical machining method.
In order to improve the electric spark machining efficiency, professor Liu Shi provides an electric spark discharge induced ablation machining method, oxygen is introduced in the electric spark discharge process, the workpiece is eroded by using huge chemical energy generated by metal combustion, and the machining efficiency is improved by more than 10 times compared with that of the traditional electric spark machining. The XuAnyang electrode is used for carrying out discharge atomization ablation processing, and the functional electrode is found to improve the processing efficiency and the surface quality of a workpiece. The functional electrode is a cluster electrode prepared from a plurality of hollow copper tubes. Considering that each electrode in the cluster electrode adopts a single-electrode-feeding mode to carry out electric spark machining, multi-electrode and multi-channel simultaneous discharge can be realized at the same time, and the machining efficiency of electric spark discharge induced ablation machining can be greatly improved.
Aiming at the multi-channel discharge ablation machining method, a clamping device for realizing the power feeding, the air mist feeding and the rotation of the cluster electrode is needed to be designed for realizing the multi-channel discharge ablation milling machining.
Disclosure of Invention
The invention aims at an electric spark multi-channel discharge ablation processing method, and designs a cluster electrode rotary clamping device for multi-channel discharge ablation milling, wherein a figure 1 is a cluster electrode object diagram, and the device is used for processing planes, grooves and special surfaces of a mould, in particular to a clamping device for multi-channel discharge ablation milling and realizing the power supply, the air mist inlet and the rotation of a cluster electrode.
The invention adopts the following technical scheme:
the utility model provides a rotatory clamping device of electrode tied in a bundle for multichannel discharge ablation milling process, it includes aluminium alloy (1, 12), synchronous pulley (2, 21), hold-in range (3), motor cabinet (4), direct current motor (5), fastening screw (6, 11, 15, 19), electrode tied in a bundle (7), rotary joint connecting piece (8), SMC rotary joint (9), rotary joint mounting (10), corner fittings (14), electrically conductive sliding ring (17), electrically conductive sliding ring seat (18), fender bits board (22), tube nut (23), axle sleeve (24, 25, 26), bearing (27). The electric spark machine is characterized in that an aluminum profile (1) is fixed on a main shaft of an electric spark machine tool, the aluminum profile (12) and the aluminum profile (1) are fixed through an angle piece (14) and a fastening screw (15), a direct current motor (5) is fixed on a motor base (4), and the motor base (4) and a conductive sliding ring base (18) are fixed on the aluminum profile (1) through the fastening screws (6, 19); the shaft sleeves (24, 25, 26) are arranged on the cluster electrode (7) in an interference manner; synchronous belt wheels (2, 21) are arranged on the shaft sleeve (25) and an output shaft of the direct current motor (5), and the direct current motor (5) and the beam-collecting electrode (7) are connected and driven through a synchronous belt (3); the conductive slip ring (17) and the bearing (27) are arranged on the conductive slip ring seat (18) in an interference manner; a rotor end lead (16) of the conductive slip ring (17) is connected with a current inlet lead (13) of the cluster electrode, and a stator end lead (20) of the conductive slip ring (17) is connected with a power line of the electric spark machine tool, so that the current inlet of the cluster electrode is realized; one end of the rotary joint connecting piece (8) is in interference fit with an air inlet pipe of the cluster electrode (7), the other end of the rotary joint connecting piece is in interference fit with a pipe nut (23), the pipe nut (23) is connected with one rotary end of the SMC rotary joint (9) through a pipe thread, so that air inlet and mist inlet of the cluster electrode are realized, and one fixed end of the rotary joint (9) is fixed on the aluminum profile (12) through a rotary joint fixing piece (10); because a large amount of corrosion particles are generated in the multi-channel discharge ablation milling process, in order to prevent the corrosion particles from causing blockage among the cluster electrode (7), the shaft sleeve (26) and the bearing (27), a chip blocking plate (22) is arranged at the lower end of the conductive sliding ring seat (18).
The rotating speed of the direct current motor (5) is 100r/min-1000r/min, and the cluster electrode (7) is driven to rotate by the synchronous belt (3).
The conductive sliding ring seat (18) is formed by melting deposition (FDM) by adopting PLA or ABS materials and is fixed on the aluminum profile (1) by adopting a fastening screw (19).
The conductive slip ring (17) realizes the electricity input of the cluster electrode in the rotation process, the conductive slip ring (17) is a via hole conductive slip ring, the number of lines of the conductive slip ring is 6-48, and each path of current is 10-30A.
The bearing (27) is a sealed bearing, and the chip blocking plate (22) is fixed at the lower end of the conductive sliding ring seat (18) through glue, so that the blocking among the cluster electrode (7), the shaft sleeve (26) and the bearing (27) caused by corrosion-removed particles is prevented.
The SMC rotary joint (9) realizes air inlet and mist inlet of the cluster electrode in the rotating process. The working pressure of the gas fog is 0.01-1 MPa.
The rotary joint connecting piece (8) is formed by melting deposition (FDM) by adopting PLA or ABS materials, one end of the rotary joint connecting piece is in interference fit with the air inlet pipe of the cluster electrode (7), the other end of the rotary joint connecting piece is in interference fit with the pipe nut (23), and two ends of the rotary joint connecting piece are sealed by resin AB glue.
The cluster electrode rotary clamping device is fixed on a main shaft of the electric spark machine tool in a screw fastening mode.
The invention has the following beneficial effects:
the through hole conductive slip ring and the SMC rotary joint realize the electricity and air inlet fog of the cluster electrode in the rotating process, thereby realizing the multi-channel discharge ablation milling processing of the cluster electrode and being used for processing planes, grooves and special shapes of molds.
Drawings
FIG. 1 is a schematic view of a cluster electrode.
Fig. 2 is a schematic structural diagram of the present invention.
Figure 3 is an exploded view of a rotary joint section of the present invention.
Fig. 4 is a structural view of the conductive slip ring holder of the present invention.
Fig. 5 is an exploded view of the bunched electrode portion of the present invention.
Detailed Description
The invention is further described below with reference to the figures and examples.
As shown in the figures 2-5 of the drawings,
the utility model provides a rotatory clamping device of electrode tied in a bundle for multichannel discharge ablation milling process, it includes aluminium alloy (1, 12), synchronous pulley (2, 21), hold-in range (3), motor cabinet (4), direct current motor (5), fastening screw (6, 11, 15, 19), electrode tied in a bundle (7), rotary joint connecting piece (8), SMC rotary joint (9), rotary joint mounting (10), corner fittings (14), electrically conductive sliding ring (17), electrically conductive sliding ring seat (18), fender bits board (22), tube nut (23), axle sleeve (24, 25, 26), bearing (27). The electric spark machine is characterized in that an aluminum profile (1) is fixed on a main shaft of an electric spark machine tool, the aluminum profile (12) and the aluminum profile (1) are fixed through an angle piece (14) and a fastening screw (15), a direct current motor (5) is fixed on a motor base (4), and the motor base (4) and a conductive sliding ring base (18) are fixed on the aluminum profile (1) through the fastening screws (6, 19); the shaft sleeves (24, 25, 26) are arranged on the cluster electrode (7) in an interference manner; synchronous belt wheels (2, 21) are arranged on the shaft sleeve (25) and an output shaft of the direct current motor (5), and the direct current motor (5) and the beam-collecting electrode (7) are connected and driven through a synchronous belt (3); the conductive slip ring (17) and the bearing (27) are arranged on the conductive slip ring seat (18) in an interference manner; a rotor end lead (16) of the conductive slip ring (17) is connected with a current inlet lead (13) of the cluster electrode, and a stator end lead (20) of the conductive slip ring (17) is connected with a power line of the electric spark machine tool, so that the current inlet of the cluster electrode is realized; one end of the rotary joint connecting piece (8) is in interference fit with an air inlet pipe of the cluster electrode (7), the other end of the rotary joint connecting piece is in interference fit with a pipe nut (23), the pipe nut (23) is connected with one rotary end of the SMC rotary joint (9) through a pipe thread, so that air inlet and mist inlet of the cluster electrode are realized, and one fixed end of the rotary joint (9) is fixed on the aluminum profile (12) through a rotary joint fixing piece (10); because a large amount of corrosion particles are generated in the multi-channel discharge ablation milling process, in order to prevent the corrosion particles from causing blockage among the cluster electrode (7), the shaft sleeve (26) and the bearing (27), a chip blocking plate (22) is arranged at the lower end of the conductive sliding ring seat (18).
In the processing process, the rotating speed of the motor is 100r/min-1000r/min, and the cluster electrode (7) is driven to rotate by the synchronous belt (3); the conductive slip ring (17) realizes the independent power feeding of each electrode of the cluster electrode in the rotating process; air intake and mist intake of the cluster electrode in the rotating process are realized through the SMC rotary joint (9), so that multi-channel discharge ablation milling processing of the cluster electrode is realized, and the cluster electrode is used for processing planes, grooves and special surfaces of molds.
The parts not involved in the present invention are the same as or can be implemented using the prior art.
Claims (8)
1. The utility model provides a rotatory clamping device of electrode tied in a bundle for multichannel discharge ablation milling process, it includes aluminium alloy (1, 12), synchronous pulley (2, 21), hold-in range (3), motor cabinet (4), direct current motor (5), fastening screw (6, 11, 15, 19), electrode tied in a bundle (7), rotary joint connecting piece (8), SMC rotary joint (9), rotary joint mounting (10), corner fittings (14), electrically conductive sliding ring (17), electrically conductive sliding ring seat (18), fender bits board (22), tube nut (23), axle sleeve (24, 25, 26), bearing (27). The electric spark machine is characterized in that an aluminum profile (1) is fixed on a main shaft of an electric spark machine tool, the aluminum profile (12) and the aluminum profile (1) are fixed through an angle piece (14) and a fastening screw (15), a direct current motor (5) is fixed on a motor base (4), and the motor base (4) and a conductive sliding ring base (18) are fixed on the aluminum profile (1) through the fastening screws (6, 19); the shaft sleeves (24, 25, 26) are arranged on the cluster electrode (7) in an interference manner; synchronous belt wheels (2, 21) are arranged on the shaft sleeve (25) and an output shaft of the direct current motor (5), and the direct current motor (5) and the beam-collecting electrode (7) are connected and driven through a synchronous belt (3); the conductive slip ring (17) and the bearing (27) are arranged on the conductive slip ring seat (18) in an interference manner; a rotor end lead (16) of the conductive slip ring (17) is connected with a current inlet lead (13) of the cluster electrode, and a stator end lead (20) of the conductive slip ring (17) is connected with a power line of the electric spark machine tool, so that the current inlet of the cluster electrode is realized; one end of the rotary joint connecting piece (8) is in interference fit with an air inlet pipe of the cluster electrode (7), the other end of the rotary joint connecting piece is in interference fit with a pipe nut (23), the pipe nut (23) is connected with one rotary end of the SMC rotary joint (9) through a pipe thread, so that air inlet and mist inlet of the cluster electrode are realized, and one fixed end of the rotary joint (9) is fixed on the aluminum profile (12) through a rotary joint fixing piece (10); because a large amount of corrosion particles are generated in the multi-channel discharge ablation milling process, in order to prevent the corrosion particles from causing blockage among the cluster electrode (7), the shaft sleeve (26) and the bearing (27), a chip blocking plate (22) is arranged at the lower end of the conductive sliding ring seat (18).
2. The rotary clamping device of the cluster electrode according to claim 1, wherein the rotating speed of the motor is 100r/min-1000r/min, and the cluster electrode (7) is driven to rotate by the synchronous belt (3).
3. The cluster electrode rotating clamping device according to claim 1, wherein the conductive slip ring seat (18) is formed by Fused Deposition (FDM) by using PLA or ABS material and is fixed on the aluminum profile (1) by using a fastening screw (19).
4. The rotating and clamping device of the cluster electrode as claimed in claim 1, wherein the current feeding of the cluster electrode during the rotation process is realized by a conductive slip ring (17), the conductive slip ring (17) is a via hole conductive slip ring, the number of lines of the conductive slip ring is 6-48 lines, and each current is 10-30A.
5. The cluster electrode rotary clamping device according to claim 1, wherein the bearing (27) is a sealed bearing, and the chip blocking plate (22) is fixed to the lower end of the conductive slip ring seat (18) by glue, so as to prevent corrosion particles from causing blockage among the cluster electrode (7), the shaft sleeve (26) and the bearing (27).
6. The rotary clamping device of the cluster electrode as claimed in claim 1, wherein the SMC rotary joint (9) is used for air intake and mist intake of the cluster electrode during rotation. The working pressure of the gas fog is 0.01-1 MPa.
7. The cluster electrode rotary clamping device according to claim 1, wherein the rotary joint connecting piece (8) is formed by Fused Deposition (FDM) by adopting PLA or ABS material, one end of the rotary joint connecting piece is in interference fit with the air inlet pipe of the cluster electrode (7), the other end of the rotary joint connecting piece is in interference fit with the pipe nut (23), and both ends of the rotary joint connecting piece are sealed by resin AB glue.
8. The cluster electrode rotary clamping device according to claim 1, wherein the device is fixed to a spindle of an electric discharge machine by means of screw fastening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810703601.7A CN110640243A (en) | 2018-06-26 | 2018-06-26 | Cluster electrode rotating and clamping device for multi-channel discharge ablation milling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810703601.7A CN110640243A (en) | 2018-06-26 | 2018-06-26 | Cluster electrode rotating and clamping device for multi-channel discharge ablation milling |
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| Publication Number | Publication Date |
|---|---|
| CN110640243A true CN110640243A (en) | 2020-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810703601.7A Pending CN110640243A (en) | 2018-06-26 | 2018-06-26 | Cluster electrode rotating and clamping device for multi-channel discharge ablation milling |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100320078A1 (en) * | 2009-06-19 | 2010-12-23 | Renwei Yuan | Electroerosion spindle assembly |
| CN103878453A (en) * | 2014-01-07 | 2014-06-25 | 江南大学 | Internal-liquid-flushable electric spark processing porous forming electrode |
| CN204018900U (en) * | 2014-05-20 | 2014-12-17 | 江南大学 | A kind of liquid enhanced spark machined Porous electrode clamping device that rushes |
| CN107931757A (en) * | 2017-12-01 | 2018-04-20 | 清华大学 | Electric discharge machining apparatus and electric spark machine tool based on movement electric arc |
| CN109648163A (en) * | 2018-10-22 | 2019-04-19 | 南京航空航天大学 | Novel bundling electrode rotating device for multi-channel discharge ablation |
-
2018
- 2018-06-26 CN CN201810703601.7A patent/CN110640243A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100320078A1 (en) * | 2009-06-19 | 2010-12-23 | Renwei Yuan | Electroerosion spindle assembly |
| CN103878453A (en) * | 2014-01-07 | 2014-06-25 | 江南大学 | Internal-liquid-flushable electric spark processing porous forming electrode |
| CN204018900U (en) * | 2014-05-20 | 2014-12-17 | 江南大学 | A kind of liquid enhanced spark machined Porous electrode clamping device that rushes |
| CN107931757A (en) * | 2017-12-01 | 2018-04-20 | 清华大学 | Electric discharge machining apparatus and electric spark machine tool based on movement electric arc |
| CN109648163A (en) * | 2018-10-22 | 2019-04-19 | 南京航空航天大学 | Novel bundling electrode rotating device for multi-channel discharge ablation |
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Application publication date: 20200103 |