CN115366021A - Hanging tool for cleaning and electroplating gyroscope buoy and using method thereof - Google Patents

Abstract

The invention relates to a hanger for cleaning and electroplating a gyroscope buoy and a using method thereof, which are characterized in that: the suspension head consists of an inverted V-shaped hook head and a straight suspension arm, and the end part of the V-shaped hook head is provided with an inward-folded flanging with a threaded hole; the suspension head is fixedly connected with a beam in the cleaning or electroplating equipment in a suspension way through a V-shaped hook head; a hinge shaft penetrates through the pin shaft hole A on the suspension head and the pin shaft hole B on the central rod, and the pin shaft hole A and the pin shaft hole B are fixedly or rotatably connected in different use stages through stop pins inserted in the limit groove A on the suspension head and the limit groove B on the central rod; the part pressure plate and the part tray are sleeved and fixed on the central rod along the upper part and the lower part, and a part mounting space is formed between the part pressure plate and the part tray; the pressing devices on the part pressing plate correspond to the extending support arms of the part tray one by one, a workpiece mounting position is formed between each pressing device and the corresponding extending support arm, and the workpiece is pressed through two pressing claws of the pressing devices and the sawtooth grooves in the extending support arms. The invention has convenient adjustment and better applicability.

Description

Hanging tool for cleaning and electroplating gyroscope buoy and using method thereof

Technical Field

The invention belongs to the technical field of gyroscope buoy processing, and particularly relates to a hanger for cleaning and electroplating a gyroscope buoy and a using method thereof.

Background

The requirements on the size precision and the behavior precision of the outer circle and the inner hole of the gyroscope buoy are high. Since alkaline etching in NaOH solution is required before plating the buoy, in HNO ₃ Light is emitted from the solution. The electroplating process needs to be suspended in electroplating bath solution for electroplating. After electroplating, washing in a sodium carbonate solution is required. Therefore, no matter the processes of cleaning, electroplating, cleaning after electroplating and the like before electroplating, a hanger is required to be used for clamping parts, the surfaces of the parts cannot be scratched, the positions of the hanger for clamping cannot be an outer circle and an inner hole, the parts are deformed due to too large clamping force, the guide pillar is poor in conductivity due to too small clamping force, the current density is low, and the electroplating effect is poor. In addition, the solution solubility around the part is gradually reduced during the plating process and the cleaning process, and if the part cannot be moved during the plating and cleaning processes, the cleaning effect and the plating consistency are poor.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provides the hanging tool for cleaning and electroplating the gyroscope buoy, which is convenient to adjust and has good applicability, and the using method thereof.

One of the above objects of the present invention is achieved by the following technical solutions:

the utility model provides a hanger that is used for gyroscope flotation pontoon to wash and electroplate which characterized in that: comprises a suspension head, a central rod, a part tray and a part pressure plate;

the suspension head consists of an inverted V-shaped hook head and a straight hanging arm connected with one side of the inverted V-shaped hook head, an inward-folding flange is arranged at the end part of one side of the V-shaped hook head, which is far away from the straight hanging arm, and a threaded hole is processed on the inward-folding flange; the suspension head is connected with a beam in the cleaning or electroplating equipment in a suspension way through the V-shaped hook head and is fixed on the corresponding beam through a locking screw screwed in a threaded hole on the inward-folded flanging;

a pin shaft hole A and a limiting groove A are arranged on the upper edge of a straight hanging arm of the hanging head up and down, and a pin shaft hole B and a limiting groove B are arranged on the upper end edge of the central rod up and down; a hinge shaft penetrates through the pin shaft hole A and the pin shaft hole B, and the suspension head and the central rod are fixedly connected or can be connected in a relative rotation mode at different use stages through stop pins inserted in the limiting groove A and the limiting groove B;

the part pressure plate and the part tray are sleeved and fixed on the central rod along the upper part and the lower part, and a part mounting space is formed between the part pressure plate and the part tray; the part pressure plate consists of a central sleeve part, outward extending pressure arms which are uniformly and radially connected with the excircle of the central sleeve part, and a pressing device arranged at the end part of each outward extending pressure arm, wherein the pressing device is provided with two pressing claws which can simultaneously extend towards two sides; the part tray is composed of a central sleeve part and outward extending support arms which are uniformly and radially connected with the excircle of the central sleeve part, the number of the outward extending support arms is consistent with that of the outward extending pressure arms, and the outward extending support arms adopt a support bar structure with sawteeth arranged at the upper end; the pressing devices on the part pressing disc correspond to the extending support arms of the part tray one by one, a workpiece mounting position is formed between each pressing device and the corresponding extending support arm, and the workpieces are pressed through two pressing claws of the pressing devices and the sawtooth grooves in the extending support arms.

Further: the limiting groove A is an L-shaped groove which is obliquely and inversely arranged, the limiting groove B is composed of an L-shaped groove section which is obliquely and inversely arranged and an arc-shaped groove section which is connected with one end of the L-shaped groove section, and the arc-shaped groove section takes the axis of the pin shaft hole B as the center; when the stop pin is inserted into the end parts of the upper grooves of the two limit grooves, the suspension head and the central rod form fixed connection; when the stop pin is inserted into the lower groove end part of the limiting groove A and is positioned at the arc-shaped groove section of the limiting groove B, the suspension head and the central rod form relative rotation connection.

Further: the pressing device consists of a square groove box with two open sides, a gear shaft and two rack pressing claws; the top of the square groove box is provided with a gear jack, and the bottom of the square groove box is provided with a shaft hole; the gear shaft extends into the square groove box from the gear jack, the lower end part of the gear shaft can be rotatably inserted into the square groove and the shaft hole, and the upper end part of the gear shaft is provided with a driving handle; the two rack pressing claws are arranged in the square groove box and are meshed with the inner side and the outer side of the gear shaft.

Further: and radial threaded holes are formed in the central sleeve parts of the part pressure plate and the part tray, and the part pressure plate and the part tray are fixedly connected with the central rod by installing locking screws.

The second objective of the present invention is achieved by the following technical solutions:

a use method of the hanger for cleaning and electroplating the gyroscope buoy is characterized by comprising the following steps:

step 1, selecting the number of part trays and part pressure plates installed on a central rod according to the number of parts to be electroplated, sleeving the part trays and the part pressure plates on the central rod, adjusting the distance between each group of part trays and the part pressure plates to enable the distance between the part trays and the part pressure plates to be slightly larger than the height of the parts, and fastening the part pressure plates and the part trays by locking screws respectively.

Step 2, according to the size of the clamping part, the two rack type pressing claws extend out from two sides by rotating the gear shaft, and the pressing range of the pressing device is adjusted to reach a proper value;

step 3, after the parts are supported on the outward extending support arms of the part tray one by one, the locking screws for fixing the part pressure plate are loosened, the part pressure plate is adjusted downwards, and the two rack type pressure claws are pressed on the upper end surface of the parts to fix the parts;

step 4, placing a stop pin between the suspension head and the central rod at the end parts of the upper grooves of the two limiting grooves, and locking the suspension head and the central rod;

step 4, hanging the hanger on a cross beam above the cleaning tank, fastening the suspension head and the cross beam by using a locking screw arranged on the suspension head, and placing a stop pin in the lower groove end part of the limiting groove A and the arc-shaped groove section of the limiting groove B; the center rod is continuously shaken in the cleaning process, the solution concentration at the periphery of the part is updated while the air in the part is removed, and the cleaning effect is enhanced;

step 5, after the floating barrel is cleaned, placing a stop pin between the suspension head and the central rod at the end parts of the upper parts of the two limit grooves, loosening a locking screw between the suspension head and the cross beam, placing the hanger on the cross beam of the electroplating bath, fastening the suspension head and the cross beam by using the locking screw, and placing the stop pin at the end part of the lower part of the limit groove A and in the arc-shaped groove section of the limit groove B; then electrifying to start electroplating, continuously shaking the center rod in the electroplating process, removing air pocket of the part, updating the concentration of the solution at the periphery of the part, enhancing the electroplating effect and ensuring the electroplating consistency;

step 6, after electroplating is finished, turning off a power supply, placing a stop pin between the suspension head and the central rod at the end part of the upper groove of the limiting groove, loosening a locking screw between the suspension head and the cross beam, placing the hanger in a subsequent weak base neutralization cleaning procedure, continuously shaking the central rod in the cleaning process, removing gas pockets of the part, updating the concentration of the solution at the periphery of the part, and enhancing the cleaning effect;

and 7, after cleaning is finished, the buoy is detached from the hanger, and the hanger is subjected to acid pickling deplating to ensure the conductivity of the hanger.

The invention has the advantages and positive effects that:

1. the suspension head is a V-shaped conical surface, and the contact point of the suspension head and the electroplating anode rod is in two-point contact, so that the conductive effect is better than that of the traditional single-point contact; the hanging head can be provided with the locking screw which can tightly press the hanging head and the electrode, and the hanging head can be ensured to be tightly and firmly contacted with the electrode even if the hanging tool is shaken.

2. The other end of the suspension head is connected with the central rod through the articulated shaft, and the locking and rotating states can be realized through the stop pin and the limiting groove. The locking state is favorable for turnover and is not easy to collide parts and operators. The rotary state can shake to stir the solution around the part, so that the concentration of the solution is constant, and the consistency in the cleaning and electroplating processes is ensured; and gas in reaction or nest can be removed by shaking the part, so that the cleaning solution or electroplating solution can be fully contacted with each structure of the part, and the advantage of removing the nest gas is outstanding particularly in the groove type and right-angle type structures.

3. The parts trays and the parts pressing plates can be freely arranged, the distance between the parts trays and the pressing plates can be adjusted according to the size and the height of the parts, the parts can be fixed with proper clamping force, and in addition, the invention is also suitable for buoy parts with various models.

4. The pressing device adopts a meshing structure of the gear shaft and the two rack pressing claws, so that the two sides of the buoy can be uniformly clamped each time, and the damage of the hanger to parts is reduced. In addition, the pressing range of the pressing device can be adjusted by rotating the gear shaft and the rack-type pressing claw, and the pressing device is suitable for the electroplating of various types of floating barrels and the cleaning in the electroplating.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a rack for cleaning and electroplating a gyroscope buoy according to the present invention;

FIG. 2 is a schematic view of the construction of the suspension head of the present invention;

FIG. 3 is an enlarged fragmentary view of the upper end of the center post of the present invention;

FIG. 4 is a schematic view of the construction of the parts platen of the present invention;

FIG. 5 is a schematic view of the construction of the parts pallet of the present invention;

FIG. 6 is a schematic view of the suspension head and center rod of the present invention in a relatively rotatable position;

FIG. 7 is a schematic view of the operation of the pressing device in the parts platen according to the present invention;

fig. 8 is a schematic view of the structure in which the parts of the present invention are held and fixed between the parts pallet and the parts platen.

Detailed Description

The structure of the present invention will be further described by way of examples with reference to the accompanying drawings. It is to be understood that this embodiment is illustrative and not restrictive.

A hanging tool for cleaning and electroplating a gyroscope buoy is mainly composed of a suspension head 1, a central rod 3, a part tray 5, a part pressure plate 4 and the like, as shown in figures 1-8.

The suspension head comprises an inverted V-shaped hook head 1.1 and a straight hanging arm 1.2 connected with one side of the inverted V-shaped hook head, an inward-folded flange 1.6 is arranged at the end part of one side, far away from the straight hanging arm, of the V-shaped hook head, and a threaded hole 1.5 is machined in the inward-folded flange. The inboard of type of falling V gib head forms the V type conical surface, utilizes the dead weight of hanger and part, can with circular shape electroplating anode pole in close contact with to the contact point is two point contacts, and is electrically conductive effectual than traditional single-point contact, installs locking screw 6 in the turn-ups's screwed hole in addition, and locking screw 6 can compress tightly hanging head and electrode, even when rocking the hanger, also can guarantee to hang head 1 and electrode closely firm contact.

A pin shaft hole A1.3 and a limiting groove A1.4 are arranged on the upper edge of a straight hanging arm of the hanging head from top to bottom, and a pin shaft hole B3.1 and a limiting groove B3.2 are arranged at the upper end part of the central rod, wherein the limiting groove A is an L-shaped groove which is obliquely and inversely arranged, the limiting groove B is composed of an L-shaped groove section which is obliquely and inversely arranged and an arc-shaped groove section which is connected with one end of the L-shaped groove section, and the arc-shaped groove section takes the axis of the pin shaft hole B as the center.

The suspension head is connected with the central rod through a hinge shaft 7 which is arranged in the pin shaft hole A and the pin shaft hole B in a penetrating way, and two states can be realized after the stop pin 2 is arranged in the limit groove A and the limit groove B in a matching way.

The first state is that when the stop pin is positioned at the end part of the upper groove of the two limit grooves, the suspension head and the central rod are clamped by the stop pin at the moment, the rotation around the hinge shaft cannot be realized, and the rotation is favorable for the turnover in the process of turnover parts.

When the stop pin is positioned at the lower groove end part of the limit groove A and at the arc-shaped groove section of the limit groove B, the suspension head and the stop pin can rotate around the hinge shaft at the moment, the rotation angle is 0-20 degrees, the suspension head and the stop pin are suitable for the cleaning and electroplating processes, the central rod is shaken around the hinge shaft, the solution at the periphery of the part can be stirred, the constant concentration of the solution is realized, and the consistency in the cleaning and electroplating processes is ensured; and gas in reaction or nest storage can be removed by shaking the part, so that the cleaning liquid or electroplating liquid is fully contacted with each structure of the part, and the advantage of removing the nest gas is outstanding particularly for grooves and right-angle structures.

A part tray and a part pressure plate can be arranged on the central rod as required, the part tray, the part pressure plate and the central rod are assembled together through clearance fit, and locking screws are arranged on cylinders matched with the central rod on the part tray and the part pressure plate. The part tray, the part pressure plate and the middle rod can be locked through the locking screw. The distance between the part tray and the pressing plate can be adjusted according to the size and the height of the part.

The part pressure plate consists of a central sleeve part 4.1, outward extending pressure arms 4.2 which are uniformly distributed and radially connected with the excircle of the central sleeve part, and a pressing device arranged at the end part of each outward extending pressure arm, wherein the number of the outward extending pressure arms is 10 in the attached drawing. The pressing device consists of a square groove box 4.3 with two open sides, a gear shaft 4.4 and two rack pressing claws 4.5. The top of the square groove box is provided with a gear jack, and the bottom of the square groove box is provided with a shaft hole. The gear shaft stretches into in the square groove box from the gear jack, and the lower tip rotatable formula of gear shaft inserts in square groove and the shaft hole, and the upper end of gear shaft is installed the drive handle. The two rack pressing claws are arranged in the square groove box and are meshed with the inner side and the outer side of the gear shaft. When the gear shaft rotates, the two rack pressing claws synchronously extend out of or retract back from two sides of the square groove box. The clamping device can ensure that the clamping at each time is the two sides of the uniform compression buoy, and reduces the damage of the hanger to parts. In addition, the pressing range of the pressing device can be adjusted by rotating the gear shaft and the rack-shaped pressing claw, and the pressing device is suitable for the electroplating of various types of floating barrels and the cleaning in the electroplating.

The part tray is composed of a central sleeve part 5.1 and outwards extending support arms 5.2 which are uniformly and radially connected with the excircle of the central sleeve part, and the number of the outwards extending support arms is the same as that of the outwards extending pressure arms. Overhanging trailing arm adopts the upper end to be provided with the support bar structure of sawtooth 5.2.1, can support the flotation pontoon through two sawtooth wherein, and the not damaged clamping to the flotation pontoon is realized to the cooperation part pressure disk. And the number of hanging tool points is small in the electroplating process, so that the attractiveness and the precision of the buoy are not influenced.

A use method for cleaning and electroplating a gyroscope buoy comprises the following steps:

step 1, according to the number of parts to be electroplated, the number of part trays and part pressure plates mounted on a central rod is selected, for example, referring to fig. 1, each part tray and part pressure plate can grab 10 parts, the part trays and part pressure plates are sleeved on the central rod, the distance between each group of part trays and part pressure plates is adjusted, the distance between the part trays and the part pressure plates is slightly larger than the height of the parts (namely, the distance between the part trays and the height of the parts are in clearance fit), the parts can be conveniently placed between the part trays and the part pressure plates, and the part pressure plates and the part trays are fastened by locking screws respectively.

And 2, according to the size of the clamping part 8, the two rack type pressing claws extend out from two sides by rotating the gear shaft, and the pressing range of the pressing device is adjusted to reach a proper value.

And 3, supporting the parts on the outward extending support arms of the part tray one by one, loosening the locking screws for fixing the part pressure plate, and downward regulating the part pressure plate to enable the two rack type pressure claws to be tightly pressed on the upper end surface of the part to realize the fixation of the part, wherein the two rack type pressure claws are slightly elastically deformed and are applied on the part with a pressing force with proper size to ensure the pressing effect on the part.

And 4, placing a stop pin between the suspension head and the central rod at the end part of the upper groove of the two limiting grooves, locking the suspension head and the central rod, forbidding the suspension head and the central rod to rotate around the hinge shaft, and avoiding damaging parts or operators in the process of placing the turnover hanging tool.

Step 4, hanging the hanger on a cross beam above the cleaning tank, fastening the suspension head and the cross beam by using a locking screw arranged on the suspension head, and placing a stop pin in the lower groove end part of the limiting groove A and the arc-shaped groove section of the limiting groove B; the center rod is continuously shaken in the cleaning process, the solution concentration at the periphery of the part is updated while the air in the part is removed, and the cleaning effect is enhanced.

Step 5, after the floating barrel is cleaned, placing a stop pin between the suspension head and the central rod at the end parts of the upper parts of the two limit grooves, loosening a locking screw between the suspension head and the cross beam, placing the hanger on the cross beam of the electroplating bath, fastening the suspension head and the cross beam by using the locking screw, and placing the stop pin at the end part of the lower part of the limit groove A and in the arc-shaped groove section of the limit groove B; then electrifying to start electroplating, continuously shaking the center rod in the electroplating process, removing air pocket of the part, updating the concentration of the solution at the periphery of the part, enhancing the electroplating effect and ensuring the electroplating consistency.

And 6, after electroplating is finished, turning off a power supply, placing a stop pin between the suspension head and the central rod at the end part of the upper groove of the limiting groove, loosening a locking screw between the suspension head and the cross beam, placing the hanger in a subsequent weak base neutralization cleaning procedure, continuously shaking the central rod in the cleaning process, removing the gas of the part, updating the concentration of the solution at the periphery of the part, and enhancing the cleaning effect.

And 7, after cleaning is finished, the buoy is detached from the hanger, and the hanger is subjected to acid pickling deplating to ensure the conductivity of the hanger.

The method can be used in the field of electroplating surface treatment in the industries of aerospace, chemical engineering, water conservancy, electric power and the like, and particularly has very wide popularization and application prospects in the fields of cleaning and electroplating of the gyroscope buoy.

Although the embodiments of the present invention and the accompanying drawings are disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit of the invention and the scope of the appended claims, and therefore the scope of the invention is not limited to the disclosure of the embodiments and the accompanying drawings.

Claims (5)

1. The utility model provides a hanger that is used for gyroscope flotation pontoon to wash and electroplate which characterized in that: comprises a suspension head, a central rod, a part tray and a part pressure plate;

the suspension head consists of an inverted V-shaped hook head and a straight hanging arm connected with one side of the inverted V-shaped hook head, an inward-folding flange is arranged at the end part of one side of the V-shaped hook head, which is far away from the straight hanging arm, and a threaded hole is processed on the inward-folding flange; the suspension head is connected with a beam in the cleaning or electroplating equipment in a suspension way through the V-shaped hook head and is fixed on the corresponding beam through a locking screw screwed in a threaded hole on the inward-folded turned edge;

a pin shaft hole A and a limiting groove A are arranged at the upper edge and the lower edge of the straight hanging arm of the hanging head, and a pin shaft hole B and a limiting groove B are arranged at the upper edge and the lower edge of the upper end part of the central rod; a hinge shaft penetrates through the pin shaft hole A and the pin shaft hole B, and the suspension head and the central rod are fixedly connected or relatively rotatably connected in different use stages through stop pins inserted in the limiting groove A and the limiting groove B;

the part pressure plate and the part tray are sleeved and fixed on the central rod along the upper part and the lower part, and a part mounting space is formed between the part pressure plate and the part tray; the part pressure plate consists of a central sleeve part, outward extending pressure arms which are uniformly and radially connected with the excircle of the central sleeve part, and a pressing device arranged at the end part of each outward extending pressure arm, wherein the pressing device is provided with two pressing claws which can simultaneously extend towards two sides; the part tray consists of a central sleeve part and outward extending support arms which are uniformly distributed and radially connected with the excircle of the central sleeve part, the number of the outward extending support arms is consistent with that of the outward extending pressure arms, and the outward extending support arms adopt a support strip structure of which the upper ends are provided with sawteeth; the pressing devices on the part pressing plate correspond to the extending support arms of the part tray one by one, a workpiece mounting position is formed between each pressing device and the corresponding extending support arm, and the workpiece is pressed through two pressing claws of the pressing devices and the sawtooth grooves in the extending support arms.

2. The rack for cleaning and electroplating of gyroscope pontoons as claimed in claim 1, wherein: the limiting groove A is an L-shaped groove which is obliquely and inversely arranged, the limiting groove B is composed of an L-shaped groove section which is obliquely and inversely arranged and an arc-shaped groove section which is connected with one end of the L-shaped groove section, and the arc-shaped groove section takes the axis of the pin shaft hole B as the center; when the stop pin is inserted into the end parts of the upper grooves of the two limit grooves, the suspension head and the central rod form fixed connection; when the stop pin is inserted into the lower groove end part of the limiting groove A and is positioned at the arc-shaped groove section of the limiting groove B, the suspension head and the central rod form relative rotation connection.

3. The rack for cleaning and electroplating of gyroscope pontoons as claimed in claim 2, wherein: the pressing device consists of a square groove box with two open sides, a gear shaft and two rack pressing claws; the top of the square groove box is provided with a gear jack, and the bottom of the square groove box is provided with a shaft hole; the gear shaft extends into the square groove box from the gear jack, the lower end part of the gear shaft can be rotatably inserted into the square groove and the shaft hole, and the upper end part of the gear shaft is provided with a driving handle; the two rack pressing claws are arranged in the square groove box and are meshed with the inner side and the outer side of the gear shaft.

4. The rack for cleaning and electroplating of gyroscope pontoons as claimed in claim 3, wherein: and radial threaded holes are formed in the central sleeve parts of the part pressure plate and the part tray, and the part pressure plate and the part tray are fixedly connected with the central rod by installing locking screws.

5. The use method of the rack for cleaning and electroplating the gyroscope buoy as claimed in claim 4, characterized by comprising the following steps:

step 1, selecting the number of part trays and part pressure plates installed on a central rod according to the number of parts to be electroplated, sleeving the part trays and the part pressure plates on the central rod, adjusting the distance between each group of part trays and the part pressure plates to enable the distance between the part trays and the part pressure plates to be slightly larger than the height of the parts, and fastening the part pressure plates and the part trays by locking screws respectively.

Step 2, according to the size of the clamping part, the two rack-type pressing claws extend out from two sides by rotating the gear shaft, and the pressing range of the pressing device is adjusted to reach a proper value;

step 3, supporting the parts on the outward extending support arms of the part tray one by one, loosening locking screws for fixing the part pressure plate, and downward adjusting the part pressure plate to enable the two rack type pressure claws to be tightly pressed on the upper end surface of the part to fix the part;

step 4, placing a stop pin between the suspension head and the central rod at the end part of the upper groove of the two limiting grooves, and locking the suspension head and the central rod;

step 4, hanging the hanger on a cross beam above the cleaning tank, fastening the suspension head and the cross beam by using a locking screw arranged on the suspension head, and placing a stop pin in the lower groove end part of the limiting groove A and the arc-shaped groove section of the limiting groove B; the central rod is continuously shaken in the cleaning process, the solution concentration at the periphery of the part is updated while the air in the part is removed, and the cleaning effect is enhanced;

step 5, after the floating barrel is cleaned, placing a stop pin between the suspension head and the central rod at the end parts of the upper parts of the two limit grooves, loosening a locking screw between the suspension head and the cross beam, placing the hanger on the cross beam of the electroplating bath, fastening the suspension head and the cross beam by using the locking screw, and placing the stop pin at the end part of the lower part of the limit groove A and in the arc-shaped groove section of the limit groove B; then electrifying to start electroplating, continuously shaking the center rod in the electroplating process, removing air pocket of the part, updating the concentration of the solution at the periphery of the part, enhancing the electroplating effect and ensuring the electroplating consistency;

step 6, after electroplating is finished, turning off a power supply, placing a stop pin between the suspension head and the central rod at the end part of the upper groove of the limiting groove, loosening a locking screw between the suspension head and the cross beam, placing the hanger in a subsequent weak base neutralization cleaning procedure, continuously shaking the central rod in the cleaning process, removing gas pockets of the part, updating the concentration of the solution at the periphery of the part, and enhancing the cleaning effect;

and 7, after cleaning is finished, the buoy is detached from the hanger, and the hanger is subjected to acid pickling deplating to ensure the conductivity of the hanger.

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