CN207002869U - A kind of inversion type electrolytic buffing attachment and its electrobrightening equipment - Google Patents
A kind of inversion type electrolytic buffing attachment and its electrobrightening equipment Download PDFInfo
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- CN207002869U CN207002869U CN201720633021.6U CN201720633021U CN207002869U CN 207002869 U CN207002869 U CN 207002869U CN 201720633021 U CN201720633021 U CN 201720633021U CN 207002869 U CN207002869 U CN 207002869U
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Abstract
The utility model provides a kind of inversion type electrolytic buffing attachment and its electrobrightening equipment, the inversion type electrolytic buffing attachment includes electrolytic cell, vertically disposed some electrolytic bars in a cell, the anode and/or negative electrode infiltrated by the electrolyte circulated in electrolytic cell, return duct；Electrolytic bar inner hollow and both ends end is each extended in workpiece and return duct, workpiece is between anode and negative electrode, and workpiece is connected by its oral area with return duct, and the oral area of workpiece is arranged downwards.In the utility model, by the way that workpiece is inverted and electrolyte is injected up into electrolyte by hollow electrolytic bar, it is achieved thereby that infiltration and exposure level to the internal face and electrolyte of workpiece, it effectively prevent internal face and bubble occur in electrobrightening, electrobrightening effect is improved, and improves the automaticity and production efficiency of electrobrightening.
Description
Technical Field
The utility model relates to a metal surface treatment technical field especially relates to an inversion formula electrolytic buffing device and an electrolytic buffing equipment thereof.
Background
The electrolytic polishing is a method for finely processing the surface of a metal workpiece, and the method is to put the metal workpiece in an electrolytic polishing tank filled with electrolytic polishing liquid and electrify the electrolytic polishing liquid for electrolysis. Along with the electrolysis, a liquid film with high viscosity is formed on the surface of the metal workpiece, the thickness of the liquid film on the uneven surface of the metal workpiece is not uniformly distributed, the liquid film on the surface of the convex part is thin, and the liquid film on the surface of the other part is thick, so that the resistance of each part of the anode surface is different. The metal workpiece has small resistance at the convex part and high current density, so that the convex part is dissolved faster than the concave part. Therefore, the rough and uneven surface of the metal workpiece becomes smooth and bright, and the polishing effect is achieved.
At present, in the field of electrolytic polishing, in particular in the industry of stainless steel vacuum bottles and vacuum cups, the original laggard equipment process is mostly adopted to carry out electrolytic polishing treatment on the container liner. The method is characterized in that a container is usually placed on a conductive platform with an upward opening, the container is filled with specific electrolyte from top to bottom and then is powered on, and the electrochemical machining, also called electropolishing, is carried out by utilizing the principle that metal surface microscopic salient points firstly undergo anodic dissolution in the specific electrolyte and under proper current density. After the polishing process is completed, one electrolyte in each container must be manually poured out by an operator, and then manually transported to the next cleaning station by the operator. The long contact of the operator with the electrolyte can cause certain damage to the health of the operator.
More importantly, because the electrolyte has a certain viscosity, bubbles are always present in the electrolytic polishing device in the prior art when the inside of the container is wetted, and the bubble is more serious especially for the inside of the cup body made of stainless steel. The presence of bubbles leads to defects of electrolytic failure, i.e., "white spots", on the inner wall surface of the stainless steel container after electrolytic polishing. Therefore, the electrolytic polishing device or the production equipment in the prior art has poor effect of electrolytic polishing the inner wall surface of the stainless steel container. Meanwhile, the electrolytic polishing equipment in the prior art also has the defects of poor automation degree and low production efficiency.
In view of the above, there is a need for an improved electropolishing apparatus in the prior art to solve the above-mentioned problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to disclose an inverted electrolytic polishing device, which is used for avoiding the contact of an operator and electrolyte to improve the safety, and simultaneously, the electrolyte can fully fill the inner wall surface of a container, so that bubbles are prevented from appearing during electrolytic polishing, the electrolytic polishing effect is improved, and the automation degree and the production efficiency of the electrolytic polishing are improved; and simultaneously, the utility model also discloses an electrolytic polishing equipment still based on above-mentioned inversion formula electrolytic polishing device.
In order to achieve the first objective, the present invention provides an inverted type electrolytic polishing device, comprising: the electrolytic cell comprises an electrolytic cell, a plurality of electrolytic rods vertically arranged in the electrolytic cell, an anode and/or a cathode soaked by electrolyte circularly flowing in the electrolytic cell, and a return pipe; wherein,
the electrolytic rod is hollow inside, the end parts of two ends of the electrolytic rod respectively extend into the workpiece and the return pipe, the workpiece is positioned between the anode and the cathode, the workpiece is communicated with the return pipe through the opening of the workpiece, and the opening of the workpiece is arranged downwards.
As a further improvement of the utility model, a sealing ring is arranged between the mouth part of the workpiece and the return pipe.
As a further improvement of the utility model, the electrolytic rod is in a linear shape or a spiral shape.
As a further improvement of the utility model, a plurality of jet holes are arranged on the side wall of the electrolytic rod.
As a further improvement of the utility model, a disc-shaped support is arranged between the mouth part of the workpiece and the return pipe, and a plurality of first through holes are vertically formed in the support and used for establishing a circulation passage between the inner cavity of the workpiece and the electrolytic bath and/or the return pipe.
As a further improvement of the utility model, a plurality of second through holes are transversely arranged on the bracket, and the electrolytic bath passes through the second through holes and establishes a circulation path with the electrolytic bath.
As a further improvement of the present invention, the pressure of the electrolyte in the internal cavity of the workpiece is greater than the pressure of the electrolyte in the return pipe.
In order to achieve the second objective, the present invention further provides an electropolishing apparatus, comprising: the electrolytic cell comprises a frame, a lifting translation mechanism and an electrode lifting mechanism which are arranged at the top of the frame and do horizontal linear motion, an electrolytic cell which is fixedly connected with the frame and is arranged linearly, a plurality of electrolytic rods vertically arranged in the electrolytic cell, a liquid storage barrel communicated with the electrolytic cell, and a circulating pump respectively connected with the electrolytic cell and the liquid storage barrel through pipelines;
the bottom of the lifting translation mechanism is connected with a workpiece frame through a lifting frame and hooks the workpiece frame, the workpiece frame is integrally driven to do vertical motion and translation motion, a positioning plate is used for limiting a workpiece in the workpiece frame and driving the workpiece to cover an electrolytic rod in an inverted shape, the electrolytic rod is hollow, the end parts of two ends of the electrolytic rod respectively extend into the workpiece and a return pipe, the workpiece is positioned between an anode and a cathode, the workpiece is communicated with the return pipe through the opening part of the workpiece, and the opening part of the workpiece is arranged downwards;
the bottom of the electrode lifting mechanism is provided with a plurality of anodes;
the electrolyte circularly flowing in the electrolytic cell soaks the anode and/or the cathode.
As a further improvement of the utility model, the locating plate comprises upper positioning plate and lower positioning plate.
As a further improvement of the present invention, the pressure of the electrolyte in the internal cavity of the workpiece is greater than the pressure of the electrolyte in the return pipe.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses in, upwards pour into electrolyte into through invering the work piece and through hollow electrolysis stick with electrolyte to realized soaking and the contact degree to the internal face of work piece and electrolyte, effectively prevented that the internal face from appearing the bubble when electropolishing, improved the electrolytic polishing effect, and improved electropolishing's degree of automation and production efficiency.
Drawings
FIG. 1 is a schematic view of an inverted type electropolishing apparatus in which an electropolishing process is performed;
FIG. 2 is a schematic view of the structure of an inverted type electropolishing apparatus in a modification when an electropolishing process is performed;
FIG. 3 is a schematic view of the structure of an inverted type electropolishing apparatus in another modification when an electropolishing process is performed;
FIG. 4 is a schematic structural view of an electropolishing apparatus according to the present invention;
FIG. 5 is a side view of the electropolishing apparatus shown in FIG. 4;
FIG. 6 is a schematic structural diagram of a workpiece frame;
fig. 7 is a schematic structural view of an upper positioning plate in the workpiece frame shown in fig. 6.
Detailed Description
The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that the functions, methods, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.
The first embodiment is as follows:
referring to fig. 1, 4 and 5, a first embodiment of an inverted electropolishing apparatus is shown.
In the present embodiment, the workpiece 3 is extended into the internal cavity 31 of the workpiece 3 through the electrolytic rod 2 in an inverted posture, and the electrolytic solution 81 is injected. The electrolyte 81 flows through the cylindrical passage 20 formed by the electrolytic rod 2 in a bottom-up manner with reference to the direction indicated by the arrow in fig. 1, and flows out of the electrolytic rod 2 in a spray form from the opening 22 at the top, and finally fills the internal cavity 31 of the workpiece 3.
In the electrolytic polishing, the workpiece 3 is positioned between the anode 1 and the cathode 8. The anode 1 can be integrally moved up and down by the electrode elevating mechanism 40, so that both end portions of the workpiece 3 are respectively held by the anode 1 and the cathode 8. In the present application, the workpiece 3 is an article having a cup-like or bowl-like shape and having a stainless steel inner wall surface, and it is necessary to perform an electropolishing process of the stainless steel inner wall surface of the workpiece 3 by the cooperation of the anode 1, the cathode 8, the electrolytic rod 2, and the electrolytic solution 81.
In the present embodiment, the inverted type electrolytic polishing apparatus includes: an electrolytic bath 80, a plurality of electrolytic rods 2 vertically arranged in the electrolytic bath, a cathode 8 soaked by an electrolyte 81 circulating in the electrolytic bath 80 and the inner wall surface of the workpiece 3, and a return pipe 9. The electrolytic rod 2 is hollow inside, the end parts of the two ends of the electrolytic rod respectively extend into the workpiece 3 and the return pipe 9, the workpiece 3 is positioned between the anode 1 and the cathode 8, the workpiece 3 is communicated with the return pipe 9 through the opening part 32 of the workpiece 3, and the opening part 32 of the workpiece 3 is arranged downwards. Specifically, the electrolytic rod 2 is linear.
The return pipe 9 is plate-shaped and can be simultaneously attached and connected with a plurality of inverted workpieces 3. During the electropolishing process, the anode 1 and the workpiece 3 are integrally placed in the electrolyte 81 of the electrolytic bath 80. Meanwhile, 5-12V direct current is connected into the anode 1 and the cathode 8, and the inner wall surface of the workpiece 3 is subjected to electrolytic polishing by using the electrolyte 81 as a medium. The whole electrolytic process is 120-480 seconds, and the current in electrolytic polishing is 30-60A. When the cathode 8, the anode 1, the workpiece 3, and the return pipe 9 are immersed in the electrolyte 81 at the same time, the electrolytic polishing process can be performed on the inner wall surface and the outer wall surface of the workpiece 3 with the electrolyte 81 as a medium.
In this embodiment, in order to avoid bubbles in the internal cavity 31 of the workpiece 3, the pressure of the electrolyte in the internal cavity 31 of the workpiece 3 is higher than the pressure of the electrolyte in the return pipe 9, i.e., the pressure of the electrolyte filled in the interior of the workpiece 3 is higher than the pressure of the electrolyte outside the workpiece 3.
Specifically, the seal ring 11 is provided between the mouth 32 of the workpiece 3 and the return pipe 9 to form the pressure difference of the electrolyte. The sealing ring 11 is preferably made of rubber or silica gel having elasticity and good acid corrosion resistance, but the sealing ring 11 may also be made of teflon, and is used for blocking the electrolyte from flowing out from the mouth 32 into the electrolytic cell 80 between the mouth 32 of the workpiece 3 and the return pipe 9. The bottom edge 321 of the mouth 32 is clamped by the anode 1 and the cathode 8 together, so that the bottom edge 321 of the mouth 32 is reliably pressed and isolated from the upper surface of the sealing ring 11.
Specifically, referring to fig. 1, the sealing ring 11 is sleeved outside the electrolytic rod 2, and an annular through hole 110 is formed between the sealing ring and the electrolytic rod 2, so that the internal cavity 31 of the workpiece 3 and the return pipe 9 establish a flow channel of the electrolyte through the annular through hole 110. Meanwhile, a circulation pump 83 is provided between the return pipe 9 and the reservoir tank 82 to provide power for circulation of the electrolyte 81 through the circulation pump 83, and the circulation pump 83 is connected to the return pipe 9 through a pipe 831 and to the reservoir tank 82 through a pipe 821. The electrolyte 81 flowing out of the annular through hole 110 enters the return pipe 9, and flows into the liquid storage barrel 82 through the pipeline 831, the circulating pump 83 and the pipeline 821 in sequence, and is sprayed vertically upwards along the electrolytic rod 2 again along the opening formed at the bottom of the electrolytic rod 2 extending into the electrolytic bath 80 and injected into the inner cavity 31 of the workpiece 3. It should be noted that the flow path/direction of the electrolyte 81 is also reversed, and the circulation is reversed according to the flow path. In the present embodiment, the circulation pump 83 is a magnetic pump of 40 CQ-20.
In the present embodiment, when the electrolytic rod 2 is conveyed upward and sprays the electrolyte from the top opening 22, bubbles of the inner wall surface of the workpiece 3 can be taken into the electrolytic bath 80 along the annular through hole 110 by the electrolyte 81, and excess air or bubbles can be discharged from the electrolytic bath 80 by a bubble isolating means (for example, a bubble remover) provided in the electrolytic bath 80.
Meanwhile, in the present embodiment, the bottom of the return pipe 9 is further provided with a flange ring 5, a locking nut 7 nested on the flange ring 5, and a sealing sleeve 6 nested between the locking nut 7 and the flange ring 5. The bottom of the locking nut 7 is provided with the cathode 8. Note that, in order to further simplify the structure, the cathode 8 may be omitted and the return pipe 9 may be used as the cathode, and in this case, the return pipe 9 must be made of a metal having good electrical conductivity.
Example two:
referring to fig. 3, 4 and 5, a second embodiment of an inverted electropolishing apparatus is shown.
The main difference between the present embodiment and the inverted type electropolishing apparatus disclosed in the first embodiment is that in the present embodiment, the side wall of the electrolytic rod 2 is provided with a plurality of injection holes 21. Meanwhile, the electrolytic rod 2 in this embodiment may be linear or spiral, and the side wall of the electrolytic rod 2 is provided with a plurality of injection holes 21.
In the present embodiment, the opened injection hole 21 functions as: when the electrolyte 81 flows upwards through the columnar channel 20 formed by the electrolytic rod 2, a part of the electrolyte 81 can be horizontally sprayed, so that the electrolyte 81 sprayed in a horizontal annular manner peels off the residual bubbles attached to the inner wall surface of the workpiece 3, and is taken away from the inner cavity 31 of the workpiece 3 from the annular through hole 110, so that the bubbles on the inner wall surface of the workpiece 3 are avoided when the workpiece 3 is subjected to electrolytic polishing, the effect of the inverted electrolytic polishing device on the inner wall surface (stainless steel substrate) of the workpiece 3 is further improved, and the defect of 'white spots' on the inner wall surface of the workpiece 3 can be better prevented.
The technical solutions of the same parts in the inverted electropolishing apparatus shown in this embodiment and the first embodiment are described in the first embodiment, and are not repeated herein.
Example three:
referring to fig. 2, 4 and 5, a third embodiment of an inverted electropolishing apparatus is shown.
The main difference between this embodiment and the inverted type electropolishing apparatuses disclosed in the first and second embodiments is that in this embodiment, a disk-shaped holder 4 is disposed between the mouth portion 32 of the workpiece 3 and the return pipe 9, and a plurality of first through holes 42 are formed along the longitudinal direction of the holder 4, and the first through holes 42 are used for establishing a circulation path between the internal cavity 31 of the workpiece 3 and the return pipe 9.
Specifically, referring to fig. 2, in the present embodiment, the bracket 4 is disc-shaped, a concave portion 41 which is circular in top view is formed at the top of the bracket 4, the mouth portion 32 of the workpiece is received and held by the concave portion 41, and the bottom edge 321 of the mouth portion 32 and the bottom of the concave portion 41 form a circular bottom surface to realize reliable compression and isolation, so as to effectively prevent the electrolyte having a higher pressure inside the workpiece 3 from leaking laterally.
The electrolyte 81 in the return pipe 9 sequentially passes through the annular through hole 110 and the first through hole 42 along the flow direction of the arrow in fig. 2 and is gathered upwards, then is gathered towards the inside of the electrolytic rod 2 from the opening 22 at the top of the electrolytic rod 2, and finally flows downwards into the electrolytic cell 80. The electrolyte 81 in the electrolytic bath 80 is re-delivered to the return pipe 9 under the driving of the circulating pump 83, and the above-mentioned circulation process is repeatedly executed, and the electrolytic polishing treatment is realized on the inner wall surface of the workpiece 3 under the combined action of the anode 1, the cathode 8, the electrolytic rod 2 and the electrolyte 81.
Meanwhile, the pressure of the electrolyte in the internal cavity 31 of the workpiece 3 is greater than the pressure of the electrolyte in the return pipe 9, that is, the pressure of the electrolyte filled in the inside of the workpiece 3 is greater than the pressure of the electrolyte outside the workpiece 3. Specifically, the pressure difference between the pressure of the electrolyte filled in the workpiece 3 and the pressure of the electrolyte outside the workpiece 3 is 0.03 Mpa.
For the technical solutions of the same parts of the inverted electropolishing apparatus shown in this embodiment as those in the first embodiment or the second embodiment, please refer to the description in the first embodiment or the second embodiment, which is not repeated herein.
Example four:
referring to fig. 3, 4 and 5, a fourth embodiment of an inverted electropolishing apparatus is shown.
The main difference between this embodiment and the inverted type electropolishing apparatus disclosed in the first, second or third embodiment is that in this embodiment, a plurality of second through holes 43 are formed along the lateral direction of the support 4, and the electrolytic bath 80 establishes a circulation path with the electrolytic bath 80 through the second through holes 43.
Is pumped into the return pipe 9 again by the circulating pump 83, flows into the cylindrical channel 20 formed by the electrolysis rod 2 from the opening at the bottom of the electrolysis rod 2 along the direction shown by the arrow in fig. 3, flows out of the electrolysis rod 2 from the opening 22 at the top in a jet shape, and finally fills the inner cavity 31 of the workpiece 3. In the present embodiment, after the electrolyte 81 flowing upward inside the electrolytic rod 2 fills the internal cavity 31 of the workpiece 3 from the opening 22 at the top, the electrolyte 81 flows out of the bracket 4 from the second through holes 43, and establishes a circulating path with the electrolytic cell 80 or the return pipe 9, so that the electrolyte 81 circulates in the above path.
Specifically, the pressure difference between the pressure of the electrolyte filled in the workpiece 3 and the pressure of the electrolyte outside the workpiece 3 is 0.04 Mpa.
Please refer to the description of the first embodiment, the second embodiment, or the third embodiment for a technical solution of the same parts of the inverted type electropolishing apparatus shown in this embodiment as those in the first embodiment, the second embodiment, or the third embodiment, which will not be described herein again.
Example five:
referring to fig. 4 to 7, an electropolishing apparatus 100 includes: the electrolytic cell comprises a frame 111, a lifting translation mechanism 50 and an electrode lifting mechanism 40 which are arranged at the top of the frame 111 and do horizontal linear motion, an electrolytic cell 80 which is fixedly connected with the frame 111 and is arranged linearly, a plurality of electrolytic rods 2 vertically arranged in the electrolytic cell 80, a liquid storage barrel 82 communicated with the electrolytic cell 80, and a circulating pump 83 respectively connected with the electrolytic cell 80 and the liquid storage barrel 82 through pipelines.
The bottom of the lifting translation mechanism 50 is connected with the hook through a lifting frame 91 to fetch a workpiece frame 92 and integrally drive the workpiece frame 92 to do vertical motion and translation motion, the workpiece frame 92 limits the workpiece 3 through a positioning plate and drives the workpiece 3 to be in an inverted shape to correspondingly cover the electrolytic rod 2, the electrolytic rod 2 is hollow, the end parts of two ends of the hollow part of the electrolytic rod respectively extend into the workpiece 3 and the return pipe 9, the workpiece 3 is positioned between the anode 1 and the cathode 8, the workpiece 3 is communicated with the return pipe 9 through the opening part 32 of the workpiece 3, and the opening part 32 of the workpiece 3 is arranged downwards. The bottom of the electrode lifting mechanism 40 is provided with a plurality of anodes 1. The electrolyte 81 circulating in the electrolytic bath 80 infiltrates the inner wall surface of the workpiece 3 and the cathode 8, the anode 1 contacts the top of the workpiece 3 in a vertical motion mode, and the two end parts of the workpiece 3 are clamped by the anode 1 and the cathode 8 together. Of course, the electrolyte 81 circulating in the electrolytic cell 80 can also infiltrate the anode 1 and the cathode 8 at the same time, and the corresponding processes are implemented as shown in the first to fourth embodiments.
In performing the electrolytic polishing process, the pressure of the electrolyte in the internal cavity 31 of the workpiece 3 is greater than the pressure of the electrolyte in the return pipe 9. Specifically, the pressure difference between the pressure of the electrolyte in the internal cavity 31 of the workpiece 3 and the pressure of the electrolyte in the return pipe 9 is 0.01 Mpa. In the first to fourth embodiments, in the initial stage of fully filling the internal cavity 31 of the workpiece 3 by injecting the electrolyte upward from the first through hole 42 or injecting the electrolyte upward from the electrolytic rod 2 or injecting the electrolyte vertically upward, the pressure difference (i.e., 0.01MPa to 0.03MPa) needs to be maintained to ensure that bubbles adhering to the internal cavity 31 of the workpiece 3 and the inner wall surface of the workpiece 3 are sufficiently discharged, thereby preventing the occurrence of white spots and improving the effect of electropolishing the inner wall surface of the workpiece 3.
Referring to fig. 6 and 7, the positioning plate is composed of an upper positioning plate 93 and a lower positioning plate 94, and has the same structure as each other and is disposed in parallel. The upper positioning plate 93 and the lower positioning plate 94 are fixedly welded to the lifting lugs 921 of the workpiece frame 92. The plurality of workpieces 30 are accommodated in an inverted state, and are defined in the vertical direction by the plurality of positioning holes 931 of the upper positioning plate 93, and the plurality of workpieces 3 are accommodated simultaneously by the workpiece frame 92. The mouth portion 32 of the workpiece 3 protrudes downward beyond the lower surface of the lower positioning plate 94. Each workpiece 3 is simultaneously restrained by the positioning holes 931 formed in the upper positioning plate 93 and the lower positioning plate 94. The work frame 92 can suspend a plurality of works 3 at the same time and sequentially perform cleaning, polishing, and the like in a plurality of stations in the electropolishing apparatus 100 shown in fig. 4.
As shown in fig. 4, in the present embodiment, a plurality of stations are provided inside the frame 111, and operations such as degreasing, pure water cleaning, electropolishing, acid cleaning, steam cleaning, and drying may be performed at different stations to finally finish electropolishing the inner wall surface of the workpiece 3.
Meanwhile, the ultrasonic generator can be arranged in one or more stations in the frame 111 to enhance the electrolytic polishing effect of the electrolyte through ultrasonic waves, so that the electrolytic polishing efficiency is improved, and the attachments on the surface of the electrolytic rod 2 are cleaned by ultrasonic waves to avoid the deposition of the attachments on the surface of the electrolytic rod 2.
In this embodiment, the lifting and translating mechanism 50 moves linearly in the horizontal direction in the track 103 disposed on the top of the frame 111, and under the cooperation of the motor 501, the output gear, the synchronous gear shaft 511 and the gear guide 512 engaged with the synchronous gear shaft 511, the claw portion 414 disposed on the bottom of the lifting and translating mechanism 50 grabs the lifting lug 921 of the workpiece frame 92 to realize linear movement in the vertical direction, so as to drive and drive a plurality of workpieces 3 to be buckled and sealed with the upper surface of the return pipe 9, and fill the internal cavity 31 of the workpiece 3 with the electrolyte by means of the electrolyte sprayed upwards by the electrolytic rod 2, thereby starting to perform an electrolytic polishing operation on the inner wall surface of the workpiece 3 under the combined action of the anode 1, the cathode 8, the electrolytic rod 2 and the electrolyte 81.
Meanwhile, the electrode lifting mechanism 40 includes a motor 411, an output gear of the motor 411, a synchronizing gear shaft, and a gear guide 401 engaged with the synchronizing gear shaft to realize at least simultaneous driving of two or more anode generating devices 413, and the bottom of the anode generating device 413 is connected to a plurality of anodes 1. The anode 1 is driven by the motor 411 to simultaneously drive the plurality of anodes 1 to move vertically downwards, and form the illustration in fig. 1 to 3, the electrolysis process of the whole electrolytic polishing is 120 to 480 seconds, the current in the electrolytic polishing is 30 to 60A, and 5 to 12V direct current is connected to the anode 1 and the cathode 8.
Meanwhile, a feeding table 101 and a discharging table 102 are respectively arranged at the two end parts of the frame 111. The workpiece frame 92 for accommodating a plurality of workpieces 3 at the same time can sequentially perform operations such as oil removal, pure water cleaning, electropolishing, acid cleaning, steam cleaning, and drying in the direction of the arrow in fig. 4 under the synergistic action of the lifting and translating mechanism 50 and the electrode lifting mechanism 40, so as to finally finish electropolishing the inner wall surface of the workpiece 3.
In this embodiment, at least one station of the electropolishing apparatus 100 is configured with the inverted electropolishing apparatus disclosed in any of the first to fourth embodiments, and the specific technical solution thereof is described with reference to the first to fourth embodiments, which is not repeated herein.
The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. An inverted electropolishing apparatus, comprising: an electrolytic cell (80), a plurality of electrolytic rods (2) vertically arranged in the electrolytic cell, an anode (1) or a cathode (8) soaked by an electrolyte (81) circularly flowing in the electrolytic cell (80), and a return pipe (9); wherein,
the electrolytic rod (2) is hollow inside, the end parts of two ends of the electrolytic rod respectively extend into the workpiece (3) and the return pipe (9), the workpiece (3) is located between the anode (1) and the cathode (8), the workpiece (3) is communicated with the return pipe (9) through the opening part (32) of the workpiece (3), and the opening part (32) of the workpiece (3) is arranged downwards.
2. The inverted electropolishing apparatus according to claim 1, wherein a seal ring (11) is provided between the mouth (32) of the workpiece (3) and the return pipe (9).
3. The inverted electropolishing apparatus of claim 1 or 2, wherein the electrolytic rod (2) is linear or spiral.
4. The inverted type electrolytic polishing device according to claim 3, wherein the side wall of the electrolytic rod (2) is provided with a plurality of injection holes (21).
5. The inverted type electropolishing apparatus according to claim 1, wherein a disk-shaped holder (4) is disposed between the mouth (32) of the workpiece (3) and the return pipe (9), and a plurality of first through holes (42) are formed along a longitudinal direction of the holder (4), the first through holes (42) being used for establishing a circulation path between the internal cavity (31) of the workpiece (3) and the electrolytic bath (80) or the return pipe (9).
6. The inverted type electropolishing apparatus according to claim 5, wherein a plurality of second through-holes (43) are formed along the lateral direction of the support (4), and the electrolytic bath (80) establishes a circulation path with the electrolytic bath (80) through the second through-holes (43).
7. The inverted electropolishing apparatus of claim 1, wherein the pressure of the electrolyte in the internal cavity (31) of the workpiece (3) is greater than the pressure of the electrolyte in the return conduit (9).
8. An electropolishing apparatus (100), comprising: the electrolytic cell comprises a frame (111), a lifting translation mechanism (50) and an electrode lifting mechanism (40) which are arranged at the top of the frame (111) and do horizontal linear motion, an electrolytic cell (80) which is fixedly connected with the frame (111) and arranged in a linear shape, a plurality of electrolytic rods (2) vertically arranged in the electrolytic cell (80), a liquid storage barrel (82) communicated with the electrolytic cell (80), and a circulating pump (83) respectively connected with the electrolytic cell (80) and the liquid storage barrel (82) through pipelines;
the bottom of the lifting translation mechanism (50) is connected with a hook-taking workpiece frame (92) through a lifting frame (91) and integrally drives the workpiece frame (92) to do vertical motion and translation motion, the workpiece frame (92) limits a workpiece (3) through a positioning plate and drives the workpiece (3) to cover an electrolytic rod (2) in an inverted shape, the electrolytic rod (2) is hollow, the end parts of two ends of the electrolytic rod extend into the workpiece (3) and a return pipe (9) respectively, the workpiece (3) is located between an anode (1) and a cathode (8), the workpiece (3) is communicated with the return pipe (9) through the opening part (32) of the workpiece (3), and the opening part (32) of the workpiece (3) is arranged downwards;
the bottom of the electrode lifting mechanism (40) is provided with a plurality of anodes (1);
the anode (1) or the cathode (8) is soaked by electrolyte (81) which circularly flows in the electrolytic tank (80).
9. The electropolishing apparatus (100) of claim 8, wherein the alignment plate is comprised of an upper alignment plate (93) and a lower alignment plate (94).
10. The electropolishing apparatus (100) of claim 8, wherein the pressure of the electrolyte in the internal cavity (31) of the workpiece (3) is greater than the pressure of the electrolyte in the return conduit (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720633021.6U CN207002869U (en) | 2017-06-02 | 2017-06-02 | A kind of inversion type electrolytic buffing attachment and its electrobrightening equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720633021.6U CN207002869U (en) | 2017-06-02 | 2017-06-02 | A kind of inversion type electrolytic buffing attachment and its electrobrightening equipment |
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| CN207002869U true CN207002869U (en) | 2018-02-13 |
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| CN201720633021.6U Withdrawn - After Issue CN207002869U (en) | 2017-06-02 | 2017-06-02 | A kind of inversion type electrolytic buffing attachment and its electrobrightening equipment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106987894A (en) * | 2017-06-02 | 2017-07-28 | 无锡市鹏振智能科技有限公司 | A kind of inversion type electrolytic buffing attachment and its electrobrightening equipment |
| CN112680776A (en) * | 2020-12-02 | 2021-04-20 | 无锡市鹏振智能科技有限公司 | Rotary type electrolysis device |
| CN112680777A (en) * | 2020-11-30 | 2021-04-20 | 江苏徐工工程机械研究院有限公司 | Blind cavity inner wall polishing device and method |
-
2017
- 2017-06-02 CN CN201720633021.6U patent/CN207002869U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106987894A (en) * | 2017-06-02 | 2017-07-28 | 无锡市鹏振智能科技有限公司 | A kind of inversion type electrolytic buffing attachment and its electrobrightening equipment |
| CN112680777A (en) * | 2020-11-30 | 2021-04-20 | 江苏徐工工程机械研究院有限公司 | Blind cavity inner wall polishing device and method |
| CN112680776A (en) * | 2020-12-02 | 2021-04-20 | 无锡市鹏振智能科技有限公司 | Rotary type electrolysis device |
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