TWI598170B - Electrochemical processing equipment - Google Patents

Description

Electrochemical processing device

The invention relates to an electrochemical processing device, in particular to a processing device capable of electrochemically processing a workpiece.

According to the traditional processing of thin workpieces by mechanical machining devices, such as machining thin workpieces to form a cutting edge, many problems arise, such as how the workpiece is clamped and warpage during workpiece processing, and the solution is solved. The method usually processes the workpiece by grinding or stamping. However, processing by using these processing methods may cause problems such as burrs or machining knives, and further processing of the workpiece by other processing methods is required, which often increases the complexity of the processing process and increases the processing time. It also affects processing costs, processing quality and productivity.

SUMMARY OF THE INVENTION A primary object of the present invention is to provide an electrochemical processing apparatus that can perform partial thinning of a workpiece.

Another object of the present invention is to provide an electrochemical processing apparatus which can block an electrolyte by a liquid barrier rib to restrict a flow region of the electrolyte, thereby reducing stray corrosion of the workpiece.

Another object of the present invention is to provide an electrochemical processing apparatus which can provide a gas to a non-machined surface of a workpiece to form a shadow area, and is a non-electrolytic processing area to be lowered. Stray corrosion of low workpieces.

The invention is an electrochemical processing device comprising a first carrier, a second carrier, a first electrode and a second electrode. The first electrode is disposed on the first carrier, and the second electrode is disposed corresponding to the first electrode, and the workpiece has a workpiece receiving space between the first electrode and the second electrode. The second carrier is disposed corresponding to the first carrier, and the first carrier and the second carrier are located at two sides of the workpiece receiving space. In this way, the workpiece can be accommodated in the workpiece receiving space for electrochemical processing.

In addition, the second carrier of the present invention may have a liquid-repellent rib that abuts against the processing surface of the workpiece located in the workpiece receiving space for blocking the electrolyte and restricting the flow area of the electrolyte to reduce the workpiece. Stray corrosion. In addition, the electrochemical processing apparatus of the present invention may further comprise a gas transmission module that transmits a gas to the non-machined surface of the workpiece to form a masking area of the workpiece, and is a non-electrolytic processing area to reduce the stray of the workpiece. Corrosion phenomenon.

1‧‧‧Electrochemical processing equipment

10‧‧‧ first carrier

11‧‧‧Guide parts

12‧‧‧ body

121‧‧‧Base

123‧‧‧ Positioning Block

1231‧‧‧ accommodating grooves

125‧‧‧ Positioning block

1251‧‧‧First positioning piece

14‧‧‧Flow channel trench

20‧‧‧First electrode

25‧‧‧second electrode

251‧‧‧Second positioning parts

27‧‧‧Working space

30‧‧‧second carrier

31‧‧‧Ontology

310‧‧‧Second positioning parts

311‧‧‧Electrolyte accommodating space

313‧‧‧ electrolyte flow path

315‧‧‧Electrolyte outlet

317‧‧‧Side opening

318‧‧‧Bevel

319‧‧‧current sharing components

35‧‧‧ cover

358‧‧‧Bevel

359‧‧‧ ribs

37‧‧‧Resistance ribs

50‧‧‧Electrolyte transfer module

51‧‧‧Electrolyte input connector

60‧‧‧Workpiece

70‧‧‧ gas transmission module

80‧‧‧shaded area

90‧‧‧Fixed modules

91‧‧‧Retaining frame

911‧‧‧ rods

913‧‧‧ rods

915‧‧‧ rods

93‧‧‧ Fixed seat

97‧‧‧After the top piece

99‧‧‧Hooks

1 is a perspective view of an electrochemical processing apparatus according to an embodiment of the present invention; and a second perspective view showing another perspective of an electrochemical processing apparatus according to an embodiment of the present invention; An exploded view of an electrochemical processing apparatus according to an embodiment of the present invention; a fourth drawing: an exploded perspective view of a second carrier according to an embodiment of the present invention; and a fifth drawing: an embodiment of the present invention A cross-sectional view of an electrochemical processing apparatus; FIG. 6A is another cross-sectional view of an electrochemical processing apparatus according to an embodiment of the present invention; FIG. 6B is a partial enlarged view of FIG. 6A; FIG. 7A is a schematic view showing the workpiece before performing electrochemical processing on the workpiece according to an embodiment of the present invention; and FIG. 7B and FIG. It is a schematic diagram of electrochemical processing and forming a masking region of a workpiece according to an embodiment of the present invention.

For a better understanding and understanding of the features of the present invention and the efficacies achieved, please refer to the preferred embodiment and the detailed description for the following: refer to the first, second and third FIG. 3 is a perspective view and an exploded perspective view of an electrochemical processing apparatus according to an embodiment of the present invention. As shown in the figure, the electrochemical processing apparatus 1 of the present invention comprises a first carrier 10, a first electrode 20, a second electrode 25, a second carrier 30 and an electrolyte transport module 50. The first electrode 20 is disposed on one sidewall of the first carrier 10. In an embodiment, the first electrode 20 can be fixed to the first carrier 10 by a locking component. The second electrode 25 is disposed corresponding to the first electrode 20, and a workpiece accommodating space 27 (shown in FIGS. 6A and 6B) between the first electrode 20 and the second electrode 25 is provided for a workpiece 60. Place it in between. The second carrier 30 is disposed corresponding to the first carrier 10, and the first carrier 10 and the second carrier 30 are located on both sides of the workpiece receiving space 27. The electrolyte transfer module 50 transfers the electrolyte to the workpiece accommodating space 27 to supply the chemical processing device 1 to electrochemically process the workpiece 60.

In this embodiment, the electrochemical processing device 1 further includes a body 12 disposed on a side of the first carrier 10, and the second electrode 25 and the second carrier 30 are disposed on the base 12 such that the second electrode 25 and the first The electrodes 20 are correspondingly disposed, and the second carrier 30 is disposed corresponding to the first carrier 10. In an embodiment of the invention, the base 12 can be a first carrier 10 Body molding.

The base 12 can include a base 121, a positioning base 123 and a positioning block 125. The pedestal 121 is disposed on the side of the first carrier 10. The locating base 123 is disposed on the pedestal 121 and has a receiving recess 1231. The positioning block 125 has a plurality of first positioning members 1251, and the positioning blocks 125 are received in the receiving recesses 1231. In an embodiment of the invention, the first positioning members 1251 are positioning posts. The second electrode 25 has a plurality of second positioning members 251. The second positioning members 251 are coupled to the first positioning members 1251. The second electrodes 25 are positioned on the positioning block 125 and are disposed on the base 12 so as to be positionable. The position of the second electrode 25 positions the gap between the second electrode 25 and the workpiece 60. In this embodiment, the first electrode 20 and the second electrode 25 are a positive electrode and a negative electrode, respectively, and are respectively coupled to a positive power source and a negative power source, and the second electrode 25 serves as a processing electrode.

As shown in the fifth figure, the bottom of the second carrier 30 also has a plurality of second positioning members 310. The second positioning members 310 are disposed on the positioning block 125 by the second positioning members 310. The base 12 is disposed so as to position the corresponding position of the second carrier 30 and the first carrier 10. In one embodiment of the present invention, the second positioning members 251 and 310 are positioning holes, and the base 121, the positioning base 123 and the positioning block 125 can be integrally formed.

Please refer to the third and fourth figures together. The fourth figure is an exploded schematic view of the second carrier according to an embodiment of the present invention. As shown, the second carrier 30 includes a body 31, a cover 35 and a liquid barrier rib 37. The body 31 has an electrolyte accommodating space 311, an electrolyte flow path 313 (as shown in FIG. 5), an electrolyte outlet 315 and a side opening 317. The electrolyte accommodating space 311 is for accommodating the electrolyte, and the electrolyte flow path 313 is in communication with the electrolyte accommodating space 311 and the electrolyte outlet 315. The cover body 35 is disposed on the side opening 317 of the body 31. The liquid blocking rib 37 is disposed at the bottom of the body 31 and the bottom of the cover 35 Between and adjacent to the workpiece accommodating space 27 (as shown in Figures 6A and 6B). In one embodiment of the present invention, the bottom of the body 31 and the bottom of the cover 35 have mutually opposite inclined faces 318 and 358, and the liquid-repellent ribs 37 are disposed between the inclined surface 318 of the body 31 and the inclined surface 358 of the cover 35. Thus the tilt has a slope. Further, the surface of the cover 35 has a plurality of ribs 359.

The electrolyte transfer module 50 is connected to the body 31 of the second carrier 30 and communicates with the electrolyte accommodating space 311. In one embodiment of the present invention, the electrolyte delivery module 50 includes a plurality of electrolyte input connectors 51 for connecting a conduit (not shown) to transfer electrolyte to the electrolyte housing space 311. In addition, a plurality of current sharing members 319 may be further disposed in the electrolyte accommodating space 311 for the electrolyte transported by the uniform electrolyte transport module 50. When the electrolyte is transferred to the electrolyte accommodating space 311 through the electrolyte input joints 51, the electrolyte is guided by the averaging members 319, that is, uniformly filled in the electrolyte accommodating space 311, so that the electrolyte can be uniformly It flows out from the electrolyte outlet 315.

Referring to the first and third figures, the electrochemical processing apparatus 1 of the present invention further includes a plurality of guiding members 11 respectively disposed on two sides of the side of the first carrier 10 for guiding the workpiece. 60 enters the workpiece accommodating space 27 (as shown in FIG. 6B), thereby positioning the axial position of the workpiece 60 and the electrochemical processing device 1 to facilitate electrochemical processing of the workpiece 60 by the electrochemical processing device 1. And when the workpiece 60 is processed, the workpiece 60 can be guided away from the electrochemical processing device 1 by the guiding member 11, so that the electrochemical processing can be continuously performed.

Please refer to FIG. 6A and FIG. 6B, which are respectively a cross-sectional view of the electrochemical processing apparatus and a partial enlarged view of the sixth A diagram of an embodiment of the present invention. As shown in the figure, when the electrochemical machining device 1 performs electrochemical machining on the workpiece 60, the workpiece 60 is accommodated in the workpiece receiving space 27, and the workpiece 60 is in contact with the first electrode 20, and the workpiece 60 and the second electrode 25 are With a gap therebetween, the electrolyte transfer module 50 transports the electrolyte to the second carrier 30, and the electrolyte is transferred to the workpiece receiving space 27 through the electrolyte flow path 313 of the second carrier 30 and the electrolyte outlet 315, thus electrochemically The processing device 1 can electrochemically process the workpiece 60. In addition, when the electrochemical machining device 1 performs electrochemical machining on the workpiece 60, the rib 359 and the liquid-repellent rib 37 of the cover 35 abut against the workpiece 60, so that the workpiece 60 is attached to the first carrier 10, and the contact is actually made. An electrode 20.

As shown in FIG. 7A, if the workpiece 60 is a thin workpiece and the workpiece 60 is to be locally thinned, for example, a blade is formed at the lower edge of the workpiece 60, the second electrode of the electrochemical processing apparatus 1 of the present invention 25 With respect to the lower end edge of the workpiece 60, after the workpiece 60 is electrochemically processed, the lower edge of the workpiece 60 is thinned to form a cutting edge. In addition, when the electrochemical processing apparatus 1 performs electrochemical processing, the liquid-repellent ribs 37 will abut against the processing surface of the workpiece 60, so as to avoid the upward sputtering of the electrolyte to the workpiece 60 when flowing out of the electrolyte outlet 315. Non-machined areas to avoid stray corrosion of workpiece 60. In other words, the liquid barrier ribs 37 limit the flow area of the electrolyte, and the stray corrosion of the workpiece 60 can be reduced.

As can be seen from the above, the electrochemical processing apparatus 1 of the present invention can be applied to electrochemical processing of thin workpieces, and is more suitable for use in thinning processing. However, this does not limit the invention to only a thin workpiece, nor does it limit the invention to necessarily require a liquid barrier rib 37. In addition, when the electrochemical machining device 1 performs electrochemical machining on the workpiece 60, the rib 359 of the cover 35 abuts against the surface of the workpiece 60, so the rib 359 can also prevent the electrolyte from being sputtered upward to contact the workpiece 60. The non-processed area is predetermined to avoid stray corrosion of the workpiece 60.

In addition, the present invention may also not need to transmit the electrolyte through the second carrier 30, and the electrolyte transport module 50 may directly transfer the electrolyte to the workpiece accommodating space 27, or use other In the manner of transferring the electrolyte to the workpiece accommodating space 27, there are many ways to transfer the electrolyte, and details are not described herein again.

Referring to FIG. 2, FIG. 3, FIG. 6A and FIG. 6B, the electrochemical processing apparatus 1 of the present invention further includes a gas transmission module 70 disposed on the first carrier 10 and configured to transport gas. The first carrier 10 has at least a first channel groove 14 , and the gas transmission module 70 is connected to the channel groove 14 . The channel groove 14 is adjacent to and communicates with the workpiece accommodating space 27 , so that the gas transmission module 70 can flow. The channel trench 14 transports gas to the non-machined surface of the workpiece 60 located in the workpiece receiving space 27, and forms a protective gas film on the non-machined surface of the workpiece 60 to form a masking region 80, which is a non-electrolytic processing region, such as As shown in the seventh B and seventh C, the electrolyte is prevented from contacting the non-machined surface of the workpiece 60 to reduce the stray corrosion of the workpiece 60. In an embodiment of the present invention, the position and shape of the flow channel groove 14 can be designed according to the position of the shadow region 80 to be formed on the workpiece 60.

As can be seen from the above, in one embodiment of the present invention, the gas transfer module 70 and the electrolyte transport module 50 individually transfer electrolyte and gas from both sides of the workpiece accommodating space 27. The electrochemical processing apparatus 1 of the present invention does not necessarily have to provide the gas transfer module 70 to form the masking region 80. In another embodiment of the present invention, the predetermined non-processed region of the workpiece 60 may be first formed with an insulating layer to form the above-described masking region, and then fed to the electrochemical processing device 1.

Referring to the first and third figures, the electrochemical processing apparatus 1 further includes a fixing module 90 that connects the base 12 and fixes the second carrier 30 to the base 12. The fixing module 90 includes a fixing frame 91, a plurality of fixing seats 93, a plurality of abutting members 97 and a hooking member 99. In an embodiment of the invention, the fixing frame 91 comprises three rods 911, 913 and 915, the rod members 911 and 913 are L-shaped, and the rod member 915 is connected between the rod members 911 and 913. 91 is a font type. The fixing bases 93 are fixed to the side of the base 121 of the base 12, and one of the rods 911 and 913 is pivotally disposed on the fixing bases 93, so that the fixing brackets 91 are pivotally mounted on the fixing bases 93. The holder 93 rotates upward as a fulcrum. The abutting members 97 are respectively disposed at different positions of the rod members 911 and 913. The hooking member 99 is disposed on the top of the first carrier 10.

After the second electrode 25 and the second carrier 30 are disposed on the base 12, the fixing frame 91 is rotated upward, and the fixing frame 91 is hooked by the hooking member 99. Thus, the partial abutting member 97 abuts against the second carrier 30 in the direction of the first carrier 10, thus driving the liquid barrier rib 37 and the rib 359 of the second carrier 30 (as shown in FIGS. 6A and 6B). The workpiece 60 is attached to the sidewall of the first carrier 10 to contact the first electrode 20. In addition, the abutting members 97 located at the upper portions of the rod members 911 and 913 are pressed downward toward the second carrier 30 in the direction of the seat body 12, thus ensuring that the second carrier 30 and the second electrode 25 are fixed to the seat body 12. .

In summary, the first electrode of the electrochemical processing device of the present invention is disposed corresponding to the second electrode, and has a workpiece accommodating space therebetween, and the first carrier is disposed corresponding to the second carrier, and is located in the workpiece accommodating space. On both sides, the electrochemical processing device can electrochemically process the workpiece in the workpiece receiving space.

As can be seen from the above, the present invention has indeed achieved a breakthrough structure, and has improved invention content, and at the same time, can achieve industrial utilization and progress. When complying with the provisions of the Patent Law, the invention patent application is filed according to law. The Board of Review examiners granted legal patent rights and was praying.

1‧‧‧Electrochemical processing equipment

10‧‧‧ first carrier

11‧‧‧Guide parts

30‧‧‧second carrier

60‧‧‧Workpiece

90‧‧‧Fixed modules

Claims (9)

An electrochemical processing device includes a first carrier, a first electrode is disposed on the first carrier, a second electrode is disposed corresponding to the first electrode, and a workpiece is disposed between the first electrode and the second electrode The accommodating space, and a second carrier corresponding to the first carrier, the first carrier and the second carrier are located on two sides of the workpiece accommodating space, the second carrier has a liquid barrier rib, the liquid barrier rib Adjacent to the workpiece housing space. The electrochemical processing device of claim 1, further comprising a gas transmission module disposed on the first carrier and transmitting a gas to the workpiece receiving space. The electrochemical processing apparatus of claim 2, wherein the first carrier has at least a channel, the gas transmission module is in communication with the channel groove, and the channel groove is connected to the workpiece Set the space. The electrochemical processing device of claim 1, further comprising a plurality of guiding members disposed on two sides of one side of the first carrier. The electrochemical processing device of claim 1, further comprising an electrolyte transport module for transporting an electrolyte, the second carrier having an electrolyte storage space and an electrolyte outlet, the electrolysis The liquid outlet is connected to the electrolyte accommodating space, and the electrolyte transport module is connected to the second carrier and communicates with the electrolyte accommodating space. The electrochemical processing device of claim 5, wherein the second carrier comprises a body having the electrolyte receiving space, the electrolyte outlet and a side opening, the electrolyte transfer module connecting the Body, and connected to the electrolyte A cover member is disposed on the side opening, and a liquid barrier rib is disposed between the body and the cover. The liquid barrier rib is adjacent to the workpiece receiving space. The electrochemical processing apparatus according to claim 5, further comprising a plurality of current sharing members disposed in the electrolyte accommodation space. The electrochemical processing device of claim 1, further comprising a body disposed on a side of the first carrier, the second electrode and the second carrier being disposed on the base. The electrochemical processing device of claim 8, further comprising a fixing module, the fixing module connecting the seat body and fixing the second carrier to the seat body.