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CN-121988816-A - Electric spark electrode and electric spark machining equipment

CN121988816ACN 121988816 ACN121988816 ACN 121988816ACN-121988816-A

Abstract

The application provides an electric spark electrode and electric spark machining equipment, wherein the electric spark electrode comprises a fixing piece and an electrode piece, a first groove part is formed in the fixing piece, the electrode piece is arranged in the first groove part, one side of the electrode piece is in conductive contact with the fixing piece, the other opposite side of the electrode piece is used for releasing pulse voltage, and the magnetic attraction part is arranged on the fixing piece and is used for adsorbing the electrode piece into the first groove part so as to realize magnetic attraction and fixation of the electrode piece, and the electrode piece to be replaced can be directly taken down for replacement when a new electrode piece is required to be replaced.

Inventors

  • LI KANGSEN
  • WANG CHUNJIN
  • ZHANG ZHIHUI
  • HE LITING

Assignees

  • 香港理工大学

Dates

Publication Date
20260508
Application Date
20241105

Claims (11)

  1. 1. An spark electrode, comprising: the fixing piece is provided with a first groove part; The electrode piece is arranged in the first groove part, one side of the electrode piece is in conductive contact with the fixing piece, and the other opposite side is used for releasing pulse voltage; The fixing piece is provided with a magnetic attraction part, and the magnetic attraction part is used for adsorbing the electrode piece into the first groove part.
  2. 2. The spark electrode of claim 1 wherein said securing member includes first and second stops spaced apart therefrom, said first and second stops defining said first slot therebetween.
  3. 3. The spark electrode according to claim 2, wherein the electrode member has a sheet-like structure, and one side of the electrode member is inserted into the first groove portion to be in conductive contact with the fixing member, and the other side extends out of the first groove portion to release the pulse voltage to the outside.
  4. 4. The spark electrode according to claim 3, wherein a plurality of slots are provided between the first blocking member and the second blocking member, the number of the electrode members is plural, and the electrode members are in one-to-one plug-in fit with the slots.
  5. 5. The spark electrode according to claim 2, wherein a third blocking member and a fourth blocking member are further disposed on the fixing member at intervals, the third blocking member, the fourth blocking member, the first blocking member and the first blocking member are enclosed to form the first groove, the electrode member has a spherical structure, and the electrode member is accommodated in the first groove.
  6. 6. The spark electrode according to claim 5, wherein a plurality of second groove parts are arranged on the groove bottom of the first groove part, the groove walls of the second groove parts are of cambered surface structures, the number of the electrode parts is multiple, and the electrode parts are in one-to-one installation fit with the second groove parts.
  7. 7. The spark electrode of claim 5 wherein a plurality of said electrode members are arranged in a single row along a first direction.
  8. 8. The spark electrode of claim 5 wherein a plurality of said electrode members are arranged in a mesh configuration and the smallest unit structure defined by the adjacent plurality of said electrode members is triangular or square.
  9. 9. The spark electrode of claim 8, wherein the first, second, third and fourth stops enclose a first slot portion forming one of a triangle, rectangle, pentagon and hexagon.
  10. 10. The spark electrode according to any one of claims 1 to 9, wherein the number of the electrode pieces is plural, and the plural electrode pieces are uniformly spaced on the bottom of the first groove portion.
  11. 11. An electric discharge machining apparatus comprising the electric discharge electrode according to any one of claims 1 to 10.

Description

Electric spark electrode and electric spark machining equipment Technical Field The application belongs to the technical field of electric spark machining, and particularly relates to an electric spark electrode and electric spark machining equipment. Background The electric spark machining (ELECTRICAL DISCHARGE MACHINING, EDM) technology is a special machining method for removing conductive materials by utilizing the electric erosion effect. The spark electrode in the spark machining equipment is used as a key machining element, and pulse voltage can be released to machine a product. In the related art, the electrode is fixed in a relatively complex manner, and certain difficulty exists when the electrode is worn and needs to be replaced. Therefore, how to reduce the difficulty of replacement of the electrode is a problem that the skilled person needs to solve at present. Disclosure of Invention The application aims to provide an electric spark electrode and electric spark machining equipment, and aims to solve the problem that the electrode in the traditional technology is difficult to replace. A first aspect of an embodiment of the present application provides an electric spark electrode, including: the fixing piece is provided with a first groove part; The electrode piece is arranged in the first groove part, one side of the electrode piece is in conductive contact with the fixing piece, and the other opposite side is used for releasing pulse voltage; The fixing piece is provided with a magnetic attraction part, and the magnetic attraction part is used for adsorbing the electrode piece into the first groove part. In some embodiments of the present application, the fixing member is provided with a first blocking member and a second blocking member at intervals, and the first groove portion is defined between the first blocking member and the second blocking member. In some embodiments of the present application, the electrode member has a sheet structure, and one side of the electrode member is inserted into the first groove portion to form conductive contact with the fixing member, and the other side extends out of the first groove portion to release the pulse voltage to the outside. In some embodiments of the present application, a plurality of slots are provided between the first blocking member and the second blocking member, the number of the electrode members is a plurality of, and the plurality of electrode members are in one-to-one plug-in fit with the plurality of slots. In some embodiments of the present application, a third blocking member and a fourth blocking member are further disposed on the fixing member at intervals, the third blocking member, the fourth blocking member, the first blocking member and the first blocking member enclose to form the first groove, the electrode member is in a spherical structure, and the electrode member is accommodated in the first groove. In some embodiments of the present application, a plurality of second groove portions are disposed on a groove bottom of the first groove portion, groove walls of the second groove portions are in a cambered surface structure, the number of the electrode members is plural, and the electrode members are installed and adapted with the second groove portions one by one. In some embodiments of the application, a plurality of the electrode members are arranged in a single row along a first direction. In some embodiments of the present application, a plurality of electrode members are arranged in a mesh shape, and a minimum unit structure formed by surrounding a plurality of adjacent electrode members is a triangle or a square. In some embodiments of the present application, the first, second, third and fourth stops enclose a first slot portion forming one of a triangle, rectangle, pentagon and hexagon. In some embodiments of the present application, the number of the electrode members is plural, and the plural electrode members are uniformly spaced on the bottom of the first groove. In a second aspect, the application also provides an electric spark machining device, comprising the electric spark electrode. Compared with the prior art, the electric spark electrode and the electric spark machining equipment have the advantages that the electric spark electrode comprises the fixing piece and the electrode piece, the first groove part is formed in the fixing piece, the electrode piece is arranged in the first groove part, one side of the electrode piece is in conductive contact with the fixing piece, the other opposite side of the electrode piece is used for releasing pulse voltage, the magnetic attraction part is arranged on the fixing piece and used for adsorbing the electrode piece into the first groove part, so that the magnetic attraction fixing of the electrode piece is realized, and the electrode piece to be replaced can be directly taken down for replacement when a new electrode piece is required to be replaced. Drawings F