Electrochemical machining apparatus

Patent metadata

Field	Value
Publication number	US-9822464-B2
Application number	US-201414517293-A
Country	US
Kind code	B2
Filing date	Oct 17, 2014
Priority date	Nov 6, 2013
Publication date	Nov 21, 2017
Grant date	Nov 21, 2017

Abstract

An electrochemical machining apparatus includes a fastening bracket, a first drive member positioned on the fastening bracket, a connecting member, a first electrode connected to the connecting member, a second driving member, a second electrode connected to the second driving member, a moving assembly positioned on the fastening bracket, an electrolytic cell positioned on moving assembly, a pump, and a vacuum pump. The first electrode defines a plurality of liquid collecting grooves spaced from each other. Each liquid collecting grooves defines a plurality of second through holes. At least one liquid collecting groove is connected to the pump, and the other liquid collecting grooves are connected to the vacuum pump. The portion of the second electrode can be inserted into and depart from the second through holes.

First claim

What is claimed is:

1. An electrochemical machining apparatus comprising:
a fastening bracket;
a feed assembly positioned on the fastening bracket, the feed assembly comprising a first drive member, a connecting member, and a second drive member positioned on the connecting member;
an electrode assembly comprising a first electrode positioned on the connecting member and a second electrode connected to the second drive member;
a pump adjacent to the fastening bracket;
a moving assembly positioned on the fastening bracket;
an electrolytic cell positioned on the moving assembly; and
a vacuum pump adjacent to the fastening bracket;
wherein the first electrode defines a plurality of isolated liquid collecting grooves, at least one liquid collecting groove of the plurality of isolated liquid collecting grooves connected to the pump, and all other liquid collecting grooves of the plurality of isolated liquid collecting grooves connected to the vacuum pump, each of the plurality of liquid collecting grooves defining a plurality of second through holes, the second electrode received by the first electrode and inserted into the plurality of second through holes, the second drive member driving the second electrode, resulting in withdrawal of the second electrode from the plurality of second through holes, the pump providing electrolyte into the liquid collecting grooves that the pump is connected to, the vacuum pump providing negative pressure to pump the electrolyte from the liquid collecting grooves that the vacuum pump is connected to.

2. The electrochemical machining apparatus as claimed in claim 1 , wherein the first electrode further includes a main body and a plurality of separating members, the main body defines a receiving groove.

3. The electrochemical machining apparatus as claimed in claim 2 , wherein the plurality of separating members are spaced from each other in the receiving groove to form the plurality of isolated liquid collecting grooves.

4. The electrochemical machining apparatus as claimed in claim 2 , wherein the first electrode further includes a covering plate covering the receiving groove, the covering plate defines a plurality of first through holes corresponding to the plurality of second through holes.

5. The electrochemical machining apparatus as claimed in claim 4 , wherein the second electrode includes a fastening portion and a plurality of inserting portions positioned on the fastening portion, the fastening portion is connected to the second drive member.

6. The electrochemical machining apparatus as claimed in claim 4 , wherein the first electrode further includes a plurality of guide sleeves positioned on the bottom of the liquid collecting grooves, each of the plurality of guide sleeves is connected to one second through hole of the plurality of second through holes to guide the inserting portion.

7. The electrochemical machining apparatus as claimed in claim 5 , wherein the plurality of inserting portions passes through the plurality of first through holes and is inserted into the plurality of second through holes.

8. The electrochemical machining apparatus as claimed in claim 6 , wherein each of the plurality of guide sleeves defines an opening portion, the opening portion is adjacent to a corresponding second through hole of the plurality of second through holes.

9. The electrochemical machining apparatus as claimed in claim 1 , wherein the moving assembly includes a first moving member and a second moving member slidable and positioned on the first moving member, the electrolytic cell is positioned on the second moving member.

10. The electrochemical machining apparatus as claimed in claim 9 , wherein the first moving member includes a first guide rail fastened on the fastening bracket, a first sliding block slidable and positioned on the first guide rail, and a first air drive cylinder positioned on the fastening bracket, the first air drive cylinder is connected to the first sliding block; the second moving member is positioned on the first sliding block.

11. The electrochemical machining apparatus as claimed in claim 9 , wherein the second moving member includes a second guide rail positioned on the first sliding block, a second sliding block slidable and positioned on the second guide rail, and a second air drive cylinder positioned on the second guide rail, the second air drive cylinder is connected to the second sliding block.

12. The electrochemical machining apparatus as claimed in claim 1 , wherein the first electrode defines a plurality of openings positioned on a sidewall of the first electrode, at least one opening of the plurality of openings are connected to the pump, and all other openings of the plurality of openings that are not connected to the pump are connected to the vacuum pump.

13. The electrochemical machining apparatus as claimed in claim 12 , wherein the plurality of openings is positioned on an end of the first electrode away from the second through holes.

Assignees

• Hon Hai Prec Ind Co Ltd

Inventors

• Chang Shao-Han

Classifications

• B23H3/00 Primary

  Electrochemical machining, i.e. removing metal by passing current between an electrode and a workpiece in the presence of an electrolyte · CPC title

• B23H7/30

  Moving electrode in the feed direction (B23H7/32 takes precedence) · CPC title

• B23H3/04 Primary

  Electrodes specially adapted therefor or their manufacture (B23H9/00 takes precedence) · CPC title

• B23H3/10

  Supply or regeneration of working media · CPC title

• C25F7/00 Primary

  Constructional parts, or assemblies thereof, of cells for electrolytic removal of material from objects (for both electrolytic coating and removal C25D); Servicing or operating · CPC title