CN113549982B - Cylindrical part electroplating device and electroplating method - Google Patents
Cylindrical part electroplating device and electroplating method Download PDFInfo
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- CN113549982B CN113549982B CN202110842026.0A CN202110842026A CN113549982B CN 113549982 B CN113549982 B CN 113549982B CN 202110842026 A CN202110842026 A CN 202110842026A CN 113549982 B CN113549982 B CN 113549982B
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
- C25D17/06—Suspending or supporting devices for articles to be coated
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
- C25D17/10—Electrodes, e.g. composition, counter electrode
- C25D17/12—Shape or form
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D7/00—Electroplating characterised by the article coated
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Abstract
The invention discloses a cylindrical part electroplating device and an electroplating method, wherein the device comprises an upper end cover and a lower end cover, wherein the upper end cover and the lower end cover are respectively provided with a plurality of mounting grooves, and the mounting grooves between the upper end cover and the lower end cover correspond to each other; the electroplating assembly comprises a plurality of independent conductive strips, two ends of each conductive strip are respectively inserted into the mounting grooves, and the mounting grooves are also internally provided with adjusting blocks; the uniformity of power lines of the electroplating workpiece in all directions is ensured through the conductive strips arranged in the annular shape, so that the quality of a plating layer is improved; meanwhile, the positions of the conductive strips in the mounting grooves are controlled by the adjusting blocks with different specifications, so that the adjustment of the distance between the conductive strips and the electroplating workpiece and the density of the conductive strips are realized, the electroplating requirements of parts with different outer diameters and different plating thicknesses are met, and the conductive strip mounting device has the advantages of simple structure, convenience in operation and good reliability; meanwhile, the plating layer is uniform and can meet various electroplating requirements, and the application range is wide.
Description
Technical Field
The invention relates to the technical field of electroplating equipment, in particular to a cylindrical part electroplating device and an electroplating method.
Background
The difference of the thickness uniformity of the plating layer not only affects the appearance and the machining performance of the part, but also more importantly, corrosion points are easily formed at the thinner part of the plating layer, and the service life of the whole part is further affected by point connection flaking. For large cylindrical parts such as landing gear piston rods, outer cylinders and the like, the coating not only needs to meet the corrosion resistance requirement, but also needs to meet the assembly requirement, and the thickness uniformity of the coating directly influences the service performance of the coating.
In the prior art, the electroplating is carried out in a mode that the anode plates and the cylindrical parts are parallel and transversely arranged and hung, electric lines of force are distributed sparsely on two sides far away from the anode plates and are opposite to the anode plate areas, the electric lines of force are distributed densely, and thus a plating layer with a thick middle and thin two sides can be obtained. Particularly, for parts made of ultrahigh-strength steel materials, the method is high in value and limited in rework times, and the traditional method has extremely high requirements on clamping, current setting, part placing positions and the like of operators;
the Chinese utility model patent with publication number 211771637 discloses a ring-shaped anode device for the external chromium plating of parts, which can solve the problem of plating uniformity, but has a relatively fixed structure, so that one device can only be suitable for electroplating operation of parts of one specification or one electroplating requirement, the application range is narrow, and the popularization cost is higher for the mass production of engineering.
Disclosure of Invention
Aiming at the defects of poor electroplating quality and narrow application range in the prior art, the invention discloses a cylindrical part electroplating device.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a cylindrical part plating apparatus comprising:
the upper end cover and the lower end cover are arranged around the axis of the upper end cover or the lower end cover, a plurality of mounting grooves are formed in the upper end cover and the lower end cover, and the mounting grooves in the upper end cover and the mounting grooves in the lower end cover are in one-to-one correspondence;
the electroplating assembly comprises a plurality of mutually independent conductive strips, each conductive strip corresponds to each group of mounting grooves one by one, and two ends of each conductive strip are respectively inserted into the two corresponding mounting grooves;
the adjusting blocks are arranged in the mounting grooves, the distance between each conductive bar and the axis of the upper end cover or the lower end cover is adjusted through the adjusting blocks, and the distance between each conductive bar and the axis is equal;
preferably, the mounting groove is towards the one end of upper end cover or lower extreme lid outer circumference for open structure, electroplate device still including the cover locate in the spacing staple bolt of electroplating the subassembly outside.
Preferably, a corresponding adjusting hole is formed between the conductive strip and the mounting groove, and an adjusting bolt used for adjusting the mounting position of the workpiece to be electroplated is connected to the inner thread of the adjusting hole.
Preferably, the upper end cover is also fixedly provided with a connecting handle connected with the anode of an external power supply.
Preferably, the electroplating device further comprises an expansion ring, wherein a plurality of first connecting grooves and a plurality of second connecting grooves are respectively arranged on the left side and the right side of the expansion ring in the axial direction of the expansion ring; the first connecting grooves and the second connecting grooves are opposite to each other one by one and are uniformly arranged around the axis of the expansion ring.
Preferably, the electroplating device further comprises an expansion ring, wherein a plurality of first connecting grooves and a plurality of second connecting grooves are respectively arranged on the left side and the right side of the expansion ring in the axial direction of the expansion ring; the first connecting grooves and the second connecting grooves are mutually staggered and uniformly arranged around the axis of the expansion ring.
Preferably, along the radial direction of the expansion ring, the ends of the first clamping groove and the second clamping groove facing the outer side of the expansion ring are both in an open structure.
Preferably, a second adjusting hole is formed in each of the first connecting groove and the second connecting groove, and an adjusting bolt used for adjusting the mounting position of the workpiece to be electroplated is connected to the inner thread of each second adjusting hole in a threaded manner.
Correspondingly, the invention also discloses an electroplating method based on the electroplating device, which comprises the following steps:
s1, shielding and protecting an electroless plating area of a workpiece to be plated;
s2, selecting an adjusting block according to the electroplating requirement of a workpiece to be electroplated, implanting the adjusting block into each mounting groove, and then completing the assembly of the electroplating assembly, the lower end cover and the limiting hoop;
s3, the workpiece to be electroplated in the step S1 is loaded into the electroplating device which is assembled in the step S2, then an adjusting bolt is installed, the installation position of the workpiece to be electroplated is adjusted through the adjusting bolt, the workpiece to be electroplated and the upper end cover are ensured to be coaxial, and meanwhile, the workpiece to be electroplated is fixed through the matching of a plurality of adjusting bolts;
s4, connecting the connecting handle with the anode of an external power supply through a conductive wire, and conducting the workpiece to be electroplated with the cathode of the external power supply through the conductive wire;
and S5, after the workpiece assembled in the step S3 is hung on external hanging equipment, immersing the workpiece in electroplating liquid, and carrying out power-on electroplating operation according to requirements.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention comprises an upper end cover and a lower end cover, wherein the upper end cover and the lower end cover are both provided with a plurality of mounting grooves, and the mounting grooves between the upper end cover and the lower end cover correspond to each other; the electroplating assembly comprises a plurality of independent conductive strips, two ends of each conductive strip are respectively inserted into the mounting grooves, and the mounting grooves are also internally provided with adjusting blocks;
when the electroplating device is used, firstly, a proper adjusting block is selected according to electroplating requirements, the adjusting block is implanted into the mounting grooves, and then the conductive strips are respectively implanted into the mounting grooves; the mounting groove is arranged around the axis of the upper end cover or the lower end cover, so that the mounted conductive bar is arranged around the axis of the upper end cover or the lower end cover, the electroplating assembly is in an annular structure, and the inner side of the annular structure is a space for placing the assembly to be electroplated; when the cylindrical part to be electroplated and the upper end cover are coaxially arranged, the adjusting block can ensure that the distance between each electroplating strip and the part to be electroplated is completely the same, so that the power lines to be electroplated are uniformly distributed in all directions of the part to be electroplated, the uniformity of an electroplated layer is ensured, and the electroplating quality is improved;
meanwhile, one side, close to the axis of the end cover, of the mounting groove is filled through the adjusting block, the filling range can be accurately controlled only by selecting the adjusting blocks with different sizes, and then the distance between each conductive bar and the axis of the end cover is controlled, namely the distance between each conductive bar and the surface of a part to be electroplated is accurately controlled;
meanwhile, the conductive strips are arranged annularly, so that when viewed from the axial direction, the annular structure of the electroplating assembly is expanded or reduced due to the change of the distance between the conductive strips and the axis, and the distance between two adjacent conductive strips is increased or reduced, so that the density of the conductive strips is controlled, and the electroplating requirements of various cylindrical parts with different specifications are met;
for the adjustment, the invention can be realized by selecting different adjusting blocks, the structure is simple, and the reliability of the equipment is effectively ensured; and a large amount of equipment cannot be additionally added, so that the hardware cost of the equipment is reduced, and the simple and convenient adjusting mode is also favorable for popularization and application of the equipment.
In addition, the staff can also control the quantity of conducting strip as required, and the mode that part mounting groove did not set up the conducting strip further expands the application scope of this device promptly.
2. The mounting groove of the invention is towards one end of the outer circumference of the upper end cover or the lower end cover to be an opening structure, the electroplating device also comprises a limiting hoop positioned at the outer side of the electroplating component, firstly, an additional opening structure is arranged in the mounting groove, when the device is assembled, the conductive bar can be inserted from the radial direction of the upper end cover, compared with the mode of inserting holes from the axial direction, the radial insertion mode can realize that the two ends of the conductive bar are simultaneously connected with the upper end cover or the lower end cover, and only one conductive bar can be installed in the axial insertion mode, and the other conductive bar needs to be matched with all the conductive bars to complete one-time assembly at last, so the assembly difficulty is higher, and the coaxiality between the upper end cover and the lower end cover is not easy to control, therefore, the opening design can effectively simplify the installation procedure, and simultaneously improve the installation precision;
secondly, the conducting bar is limited from the outer side of the conducting bar through a limiting hoop, and the conducting bar is prevented from falling from the mounting groove in the opening direction of the outer circumference, so that the stability and the reliability of connection of the conducting bar are ensured; and the structure of the limiting hoop is simple, so that the equipment cost is reduced, and the installation is simple and convenient.
3. According to the invention, the corresponding adjusting holes are formed between the conductive strips and the mounting grooves, and the adjusting bolts are connected to the adjusting holes through screw threads, so that on one hand, cylindrical parts are locked through radial acting forces of a plurality of adjusting bolts, the workpieces are quickly fixed, and the device is convenient to use and simple in structure; on the other hand, the displacement of the workpiece in the radial direction is realized by finely adjusting the adjusting bolts in all directions, so that the coaxiality between the part and the end cover is improved, the adjusting mode is simple, and the adjusting precision is high.
4. The upper end cover is also provided with the connecting handle, the connection with an external power supply is realized quickly and conveniently through the connecting handle, and the electric water heater is simple in structure and convenient to use.
5. The electroplating device also comprises an expansion ring, wherein a plurality of first connecting grooves and a plurality of second connecting grooves are respectively arranged on the left side and the right side of the expansion ring in the axis direction of the expansion ring, the first connecting grooves and the second connecting grooves are uniformly arranged around the axis of the expansion ring, and the first connecting grooves and the second connecting grooves can be arranged in a right-facing manner or in a staggered manner as required;
because the first connecting groove and the second connecting groove are respectively positioned at two sides of the extension ring, two sets of electroplating devices can be simultaneously connected through the structure, so that the increase arrangement of the whole set of electroplating devices is realized, the requirement of the electroplated parts on the length is met, meanwhile, the wireless extension of the whole set of electroplating devices can be realized through arranging a plurality of extension rings, the structure is simple, the assembly is convenient, and the electroplating quality of large-scale and ultra-large-scale parts is effectively improved;
first spread groove and second spread groove are crisscross to be set up, then the installation is accomplished the electroplating strip of adjacent electroplating device and is misplaced each other, two sets of conducting bars of electroplating device compensate its installation clearance mutually promptly, during the in-service use, once electroplate and accomplish and can pass through reversal part, can carry out secondary supplementary electroplating with the clearance district of conducting bar, and because two sets of electroplating device structures are the same, therefore the cladding material thickness of two times stack electroplating of same region is the same, it can effectively overcome the inhomogeneous problem of cladding material that the conducting bar clearance brought, further improve electroplating quality.
6. Follow the radial direction of expansion ring, first draw-in groove and second draw-in groove orientation the one end in the expansion ring outside is open structure, during equipment assembling, the busbar can be followed radial direction and inserted, compare with the mode from axial direction jack, radial male mode can realize that the busbar both ends link to each other with the connecting piece simultaneously, and the both ends lid can only install one in the axial male mode, another needs to cooperate all busbars to accomplish once assembling simultaneously at last, its assembly degree of difficulty is higher, be unfavorable for the axiality between control upper end cover and the lower end cover simultaneously, therefore the installation procedure can effectively be simplified in the opening design, improve the precision of installation simultaneously.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the position limiting hoop of the present invention;
FIG. 3 is a schematic structural view of embodiment 2 of the present invention;
FIG. 4 is a schematic structural diagram of the present invention with the expansion rings symmetrically disposed;
FIG. 5 is a schematic structural view of the present invention with the extension ring disposed in a staggered manner;
FIG. 6 is a schematic view of the connection structure of the expansion ring and the conductive strip of the present invention;
FIG. 7 is a schematic diagram of the bus bar adjustment of the present invention;
reference numerals: 1. the upper end cover, 2, the lower end cover, 3, the mounting groove, 4, the conducting strip, 5, the regulating block, 6, spacing staple bolt, 7, the regulation hole, 8, adjusting bolt, 9, connect the handle, 10, the extension ring, 11, first spread groove, 12, second spread groove, 13, second regulation hole, 61, limiting plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention.
The embodiment is used as a basic embodiment of the invention and discloses a cylindrical part electroplating device, the specific structure of which is shown in fig. 1 to fig. 2, the device comprises an upper end cover 1 and a lower end cover 2 which are matched with each other, when the device is assembled, the upper end cover 1 and the lower end cover 2 are coaxially arranged, one side of the upper end cover 1, which is opposite to the lower end cover 2, is provided with a plurality of mounting grooves 3, all the mounting grooves 3 are respectively annularly arranged around the axis of the upper end cover 1 or the lower end cover 2, meanwhile, the mounting grooves 3 are strip-shaped grooves, the mounting grooves 3 extend along the radial direction of the upper end cover 1 and the lower end cover 2, and for convenient adjustment, the mounting grooves 3 on the same end cover are positioned on the same circular track line; the mounting grooves 3 on the upper end cover 1 and the lower end cover 2 are in one-to-one correspondence; the other side of the upper end cover 1 is fixedly provided with a connecting handle 9 which is used for being communicated with the positive pole of an external power supply;
for convenient installation, one side of the mounting groove 3, which is over against the outer circumference of the upper end cover 1 or the lower end cover 2, is an open structure, the electroplating device further comprises an electroplating assembly, the electroplating assembly comprises a plurality of conductive strips 4, during assembly, adjusting blocks are selected according to the electroplating requirements of a workpiece to be electroplated, then the adjusting blocks are respectively implanted into one end of each mounting groove, which is close to the axis of the end cover where the mounting groove is located, and then two ends of the conductive strips are simultaneously inserted into the corresponding mounting grooves 3 on the upper end cover 1 and the lower end cover 2 from the open side of the mounting groove 3, which is located on the outer circumference, so that the assembly of the conductive strips 4 with the upper end cover 1 and the lower end cover 2 is realized;
the electroplating device also comprises at least two limiting hoops 6 which are uniformly arranged on the outer side of the electroplating device; the limiting hoop 6 comprises two limiting plates 61 which are hinged with each other, the limiting hoop 6 embraces the electroplating device from the outer side of the electroplating device, and the connecting ends of the limiting hoop 6 are fastened through bolts, so that the limiting of the conductive strips 4 is realized at two sides in the radial direction through the matching of the limiting hoop 6 and the mounting groove 3;
the both ends of busbar 4 all are provided with regulation hole 7, are provided with corresponding regulation hole 7 in the mounting groove 3, and after the installation was accomplished, two regulation holes 7 were coaxial, the screw thread is connected with adjusting bolt 8 in the regulation hole 7, adjusting bolt 8's tip passes two regulation holes 7 and goes deep into the electroplating subassembly inboard to contact with the work piece of waiting to electroplate that is located the electroplating subassembly inboard, thereby the realization is treated the regulation of electroplating work piece mounted position.
Embodiment mode 2
As shown in fig. 3, 4 and 6, the present embodiment discloses a cylindrical part electroplating apparatus, which is different from embodiment 1 in that an extension ring 10 is additionally provided, and the specific structure is shown in fig. 4 to 6, in the axial direction of the extension ring 10, the left and right sides of the extension ring 10 are respectively provided with a plurality of first connection grooves 11 and second connection grooves 12, the first connection grooves 11 and the second connection grooves 12 are uniformly arranged around the axis of the extension ring 10, the first connection grooves 11 and the second connection grooves 12 are in one-to-one correspondence, and in the direction of the extension ring 10, the first connection grooves 11 and the second connection grooves 12 corresponding to each other are overlapped with each other; meanwhile, the first connecting groove 11 and the second connecting groove 12 are of an open structure at one side facing the outer circumference of the expanding ring 10, so that a connecting port is formed in the radial direction of the expanding ring 10; a second adjusting hole 13 is formed in each of the first connecting groove 11 and the second connecting groove 12, and an adjusting bolt 8 for adjusting the mounting position of a workpiece to be electroplated is screwed in each second adjusting hole 13;
meanwhile, as shown in fig. 5, the first connecting grooves 11 and the second connecting grooves 12 are alternately arranged in the axial direction of the expanding ring 10 according to actual needs.
Embodiment 3
This embodiment mode discloses, as a basic embodiment mode of the present invention, a plating method by the plating apparatus according to embodiment mode 1, including the steps of:
s1, shielding and protecting an non-electroplating area of a workpiece to be electroplated;
s2, selecting adjusting blocks according to the electroplating requirements of the workpiece to be electroplated, and then respectively implanting the adjusting blocks into one end of each mounting groove close to the axis of the end cover where the adjusting block is located; then inserting the conducting strips into the mounting grooves of the upper end cover and the lower end cover from the radial direction;
s3, repeating the step S2 to complete the installation of all the conductive bars, and sleeving limiting anchor ears at the two ends of the electroplating assembly;
s4, the workpiece to be electroplated in the step S1 is loaded into the electroplating device which is assembled in the step S3, then an adjusting bolt is installed, the installation position of the workpiece to be electroplated is adjusted through the adjusting bolt, the workpiece to be electroplated and the upper end cover are ensured to be coaxial, and meanwhile, the workpiece to be electroplated is fixed through the matching of a plurality of adjusting bolts;
s5, connecting the connecting handle with the anode of an external power supply through a conductive wire, and conducting the workpiece to be electroplated with the cathode of the external power supply through the conductive wire;
and S6, hoisting the workpiece assembled in the step S3 to external hanging equipment, immersing the workpiece in electroplating liquid, and carrying out electrifying electroplating operation according to requirements.
This embodiment mode discloses, as a basic embodiment mode of the present invention, a plating method by the plating apparatus according to embodiment mode 2, including the steps of:
s1, shielding and protecting an electroless plating area of a workpiece to be plated;
s2, selecting adjusting blocks according to the electroplating requirements of the workpiece to be electroplated, and then respectively implanting the adjusting blocks into one end of each mounting groove close to the axis of the end cover where the adjusting block is located; then the conducting bar is inserted into the mounting groove of the upper end cover and the first connecting groove of the expansion ring from the radial direction; repeating the method to complete the installation of the conductive strips between the upper end cover and the expansion ring;
s3, repeating the conductive strip installation method in the step S2, completing the installation of the conductive strips between the second connecting groove of the expansion ring and the installation groove of the lower end cover, and sleeving limiting anchor ears at two ends of the electroplating assembly;
s4, the workpiece to be electroplated in the step S1 is installed in the electroplating device which is assembled in the step S3, then the adjusting bolt is installed, the installation position of the workpiece to be electroplated is adjusted through the adjusting bolt, the workpiece to be electroplated and the upper end cover are coaxial, and meanwhile the workpiece to be electroplated is fixed through the matching of the adjusting bolts;
s5, connecting the connecting handle with the anode of an external power supply through a conductive wire, and conducting the workpiece to be electroplated with the cathode of the external power supply through the conductive wire;
and S6, after the workpiece assembled in the step S3 is hung on external hanging equipment, immersing the workpiece in electroplating liquid, and carrying out power-on electroplating operation according to requirements.
Compared with the prior art, the electroplating device is provided with the annular structure through the plurality of conductive strips, the workpiece to be electroplated is arranged in the center of the electroplating device, and the conductive strips are uniformly arranged, so that the distances from all the conductive strips to the surface of the workpiece to be electroplated are equal in the radial direction, the uniform distribution of power lines is ensured, and the uniformity of an electroplated layer is further ensured;
meanwhile, the positions of the conductive strips in the mounting grooves are controlled by implanting the adjusting blocks into the mounting grooves, so that the distance from the conductive strips to a workpiece to be electroplated is adjusted, and electroplating operations with different outer diameters and different electroplating requirements are met; as shown in fig. 7, a and B in the figure respectively show the adjusting effect of the adjusting blocks with different thicknesses, and it can be seen from the figure that, since the conductive bars are arranged in a ring shape, when viewed from the axial direction, due to the variation of the distance between the conductive bars and the axis (i.e. the variation of the thickness of the adjusting blocks), the ring structure of the electroplating assembly is expanded or reduced (i.e. switched between a and B), thereby causing the distance between two adjacent conductive bars to be increased or reduced, so as to control the density of the conductive bars, and meet the electroplating requirements of various cylindrical parts with different specifications;
for the adjustment, the invention can be realized by selecting different adjusting blocks, the structure is simple, and the reliability of the equipment is effectively ensured; and a large amount of equipment cannot be additionally added, so that the hardware cost of the equipment is reduced, and the simple and convenient adjusting mode is also favorable for popularization and application of the equipment.
In addition, the staff can also control the quantity of conducting strip as required, and then further expand the application scope of this device.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (7)
1. An apparatus for electroplating a cylindrical part, comprising:
the mounting structure comprises an upper end cover (1) and a lower end cover (2), wherein the upper end cover (1) and the lower end cover (2) surround the axis of the upper end cover (1) or the lower end cover (2), a plurality of mounting grooves (3) are formed in the upper end cover (1) and the lower end cover (2), and the mounting grooves (3) in the upper end cover (1) and the lower end cover (2) correspond to each other one by one;
the electroplating assembly comprises a plurality of mutually independent conductive strips (4), each conductive strip (4) corresponds to each group of mounting grooves (3) one by one, and two ends of each conductive strip (4) are respectively inserted into the two corresponding mounting grooves (3);
the adjusting blocks (5) are arranged in the mounting grooves (3), the distance between each conductive bar (4) and the axis of the upper end cover (1) or the lower end cover (2) is adjusted through the adjusting blocks (5), and the distance between each conductive bar (4) and the axis is equal;
the electroplating device further comprises an expansion ring (10), wherein a plurality of first connecting grooves (11) and a plurality of second connecting grooves (12) are respectively formed in the left side and the right side of the expansion ring (10) in the axial direction of the expansion ring (10); the first connecting grooves (11) and the second connecting grooves (12) are opposite to each other or staggered with each other one by one and are uniformly arranged around the axis of the expansion ring (10).
2. A cylindrical part plating apparatus according to claim 1, characterized in that: the one end of mounting groove (3) towards the outer circumference of upper end cover (1) or lower end cover (2) is open structure, electroplate device still including set in the spacing staple bolt (6) of electroplating assembly outside.
3. A cylindrical part plating apparatus according to claim 1, characterized in that: corresponding adjusting holes (7) are formed between the conductive strips (4) and the mounting grooves (3), and adjusting bolts (8) used for adjusting the mounting positions of workpieces to be electroplated are connected in the adjusting holes (7) in a threaded manner.
4. A cylindrical part plating apparatus according to claim 1, characterized in that: the upper end cover (1) is also fixedly provided with a connecting handle (9) connected with the anode of an external power supply.
5. A cylindrical part plating apparatus according to any one of claim 1, characterized in that: and in the radial direction of the expansion ring (10), one ends of the first connecting groove (11) and the second connecting groove (12) facing the outer side of the expansion ring (10) are both of an open structure.
6. A cylindrical part plating apparatus according to claim 1, wherein: and the first connecting groove (11) and the second connecting groove (12) are both provided with second adjusting holes (13), and the inner threads of the second adjusting holes (13) are connected with adjusting bolts (8) used for adjusting the mounting positions of the workpieces to be electroplated.
7. An electroplating method based on the electroplating device according to any one of claims 1 to 6, characterized by comprising the steps of:
s1, shielding and protecting a non-electroplating area of an electroplating workpiece, and connecting the workpiece to be electroplated with an upper end cover;
s2, selecting adjusting blocks according to the electroplating requirements of the workpiece to be electroplated, implanting the adjusting blocks into the mounting grooves, and then completing assembly of the electroplating assembly, the lower end cover and the limiting hoop;
s3, installing an adjusting bolt, and adjusting the installation position of the workpiece to be electroplated through the adjusting bolt to ensure that the workpiece to be electroplated is coaxial with the upper end cover;
s4, connecting the connecting handle with the anode of an external power supply through a conductive wire, and conducting the workpiece to be electroplated with the cathode of the external power supply through the conductive wire;
and S5, hoisting the workpiece assembled in the step S3 to external hanging equipment, immersing the workpiece in electroplating liquid, and carrying out electrifying electroplating operation according to requirements.
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| US7025862B2 (en) * | 2002-10-22 | 2006-04-11 | Applied Materials | Plating uniformity control by contact ring shaping |
| CN204714935U (en) * | 2015-05-13 | 2015-10-21 | 天津市津一电镀有限公司 | A kind of galvanic anode panel assembly |
| CN107190307A (en) * | 2016-03-15 | 2017-09-22 | 先丰通讯股份有限公司 | Electroplating anode device |
| CN107620114B (en) * | 2017-11-10 | 2019-07-19 | 中航飞机起落架有限责任公司 | A kind of electroplating anode device and chrome-plating method |
| CN210620967U (en) * | 2019-10-18 | 2020-05-26 | 俊杰机械(深圳)有限公司 | Round pipe electroplating structure |
| CN211771637U (en) * | 2019-12-31 | 2020-10-27 | 内蒙古北方重工业集团有限公司 | Ring-shaped anode device for part excircle chromium plating |
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