阅读说明：本技术 一种金属件表面电镀工艺 (Metal part surface electroplating process ) 是由 边婧 于 2021-09-16 设计创作，主要内容包括：本发明涉及电镀技术领域,更具体的说是一种金属件表面电镀工艺。一种金属件表面电镀工艺,该工艺包括以下步骤：步骤一：待加工的金属件运移到指定位置；步骤二：在酸洗溶液中加入二氧化硅,并且使待加工的金属件完全浸没其中；步骤三：不断摇晃待加工的金属件,除去待加工的金属件表面锈迹；步骤四：使用清理剂中和除锈后金属件的酸洗溶液,进行电镀处理。能够加快金属件进行酸洗中的除锈速率。(The invention relates to the technical field of electroplating, in particular to a metal part surface electroplating process. A metal piece surface electroplating process comprises the following steps: the method comprises the following steps: the metal piece to be processed is moved to a designated position; step two: adding silicon dioxide into the pickling solution, and completely immersing the metal piece to be processed into the pickling solution; step three: continuously shaking the metal piece to be processed to remove rust on the surface of the metal piece to be processed; step four: and neutralizing the acid pickling solution of the derusted metal part by using a cleaning agent, and performing electroplating treatment. The rust removal rate of the metal piece in acid cleaning can be accelerated.)

1. A metal piece surface electroplating process is characterized in that: the process comprises the following steps:

the method comprises the following steps: the metal piece to be processed is moved to a designated position;

step two: adding silicon dioxide into the pickling solution, and completely immersing the metal piece to be processed into the pickling solution;

step three: continuously shaking the metal piece to be processed to remove rust on the surface of the metal piece to be processed;

step four: and neutralizing the acid pickling solution of the derusted metal part by using a cleaning agent, and performing electroplating treatment.

2. The metal piece surface electroplating process according to claim 1, wherein the metal piece surface electroplating process comprises the following steps: and a metal piece surface electroplating device is also used and comprises two transporting assemblies, and the two transporting assemblies synchronously drive the metal piece to be processed to move.

3. The metal part surface electroplating process according to claim 2, wherein the metal part surface electroplating process comprises the following steps: the moving assembly comprises a connecting frame (11), fixing bolts (12), a moving block (13) and a vertical moving block (14), the moving block (13) is arranged on the upper portion of the connecting frame (11), a hydraulic rod is arranged between the vertical moving block (14) and the moving block (13), and the connecting frame (11) is fixedly connected to the two fixing bolts (12).

4. The metal part surface electroplating process according to claim 2, wherein the metal part surface electroplating process comprises the following steps: the moving assembly further comprises a connecting side plate (21), slowly-descending hydraulic rods (22), a pulley bearing frame (23) and pulleys (24), wherein the two pulleys (24) are arranged on the pulley bearing frame (23), the two slowly-descending hydraulic rods (22) are arranged between the connecting side plate (21) and the pulley bearing frame (23), the pulley bearing frame (23) is provided with two through holes, and the two connecting side plates (21) are fixedly connected to the two vertical moving blocks (14) respectively.

5. The metal part surface electroplating process according to claim 4, wherein the metal part surface electroplating process comprises the following steps: a corrosion-resistant steel wire is wound around each of the pulleys (24).

6. The metal part surface electroplating process according to claim 5, wherein the metal part surface electroplating process comprises the following steps: the device further comprises a moving frame (31), a side baffle (32) and an upper mounting frame (33), wherein the upper mounting frame (33) is fixedly connected to the upper end of the moving frame (31), the side baffle (32) is arranged on the moving frame (31), and a plurality of fixing bolts (12) are arranged on the upper portion of the upper mounting frame (33).

7. The process of claim 6, wherein the electroplating comprises the steps of: the device also comprises inclined support legs (41), a transfer sliding block (42) and a mounting horizontal plate (43), wherein the transfer sliding block (42) slides on the inclined support legs (41), the mounting horizontal plate (43) is fixedly connected to the transfer sliding block (42), and the bottom of the transfer frame (31) is provided with two inclined support legs (41).

8. The process of claim 7, wherein the electroplating comprises the steps of: the device also comprises a workpiece washing box (51) and a wave-bending supporting plate (52), wherein the wave-bending supporting plate (52) is arranged on the workpiece washing box (51), and the workpiece washing box (51) is fixedly connected to the bottom of the moving frame (31).

9. The process of claim 8, wherein the electroplating comprises the steps of: the device also comprises a protection box (61) and a discharge pipe (62), wherein the discharge pipes (62) are surrounded by the protection box (61), the discharge pipes (62) are all arranged on the side surface of the workpiece washing box (51), the protection box (61) is fixedly connected to the outer side of the workpiece washing box (51), and the discharge pipes (62) are all provided with control valves.

10. The process of claim 9, wherein the electroplating comprises the steps of: the device also comprises a bottom supporting plate (71), liquid storage chambers (72) and a communication channel (73), wherein the two liquid storage chambers (72) are fixedly connected to the lower part of the bottom supporting plate (71), the liquid storage chambers (72) are arranged on two sides of the communication channel (73), the bottom supporting plate (71) is fixedly connected to the lower parts of the two inclined supporting legs (41), and the bottom supporting plate (71) is fixedly connected to the lower part of the conveying frame (31).

Technical Field

The invention relates to the technical field of electroplating, in particular to a metal part surface electroplating process.

Background

Electroplating is a process of plating a thin layer of other metals or alloys on the surface of some metals by using the principle of electrolysis, and is a process of attaching a layer of metal film on the surface of a metal or other material product by using the action of electrolysis so as to play roles of preventing metal oxidation, improving wear resistance, conductivity, light reflection, corrosion resistance, enhancing appearance and the like. The outer layer of a plurality of coins is also electroplated, the surface of a processed metal piece is required to be subjected to rust removal treatment before electroplating generally, the existing rust removal mode is generally treated by using an acid pickling method, but the existing rust removal mode only depends on the fact that the metal piece is immersed in an acid pickling solution, and the rust removal rate is slow.

Disclosure of Invention

The invention aims to provide a metal part surface electroplating process which can accelerate the derusting rate of the metal part by acid cleaning.

The purpose of the invention is realized by the following technical scheme:

a metal piece surface electroplating process comprises the following steps:

the method comprises the following steps: the metal piece to be processed is moved to a designated position;

step two: adding silicon dioxide into the pickling solution, and completely immersing the metal piece to be processed into the pickling solution;

step three: continuously shaking the metal piece to be processed to remove rust on the metal piece to be processed;

step four: and neutralizing the acid pickling solution of the derusted metal part by using a cleaning agent, and performing electroplating treatment.

Furthermore, the process also uses a metal piece surface electroplating device which comprises two transporting assemblies, wherein the two transporting assemblies synchronously drive the metal piece to be processed to move.

Furthermore, the migration assembly comprises a connecting frame, fixing bolts, a moving block and a vertical moving block, the moving block is arranged on the upper portion of the connecting frame, a hydraulic rod is arranged between the vertical moving block and the moving block, and the connecting frame is fixedly connected to the two fixing bolts.

Further, the migration assembly further comprises a connecting frame, slowly-falling hydraulic rods, a pulley bearing frame and pulleys, wherein the two pulleys are arranged on the pulley bearing frame, the two slowly-falling hydraulic rods are arranged between the connecting frame and the pulley bearing frame, the pulley bearing frame is provided with two through holes, and the two connecting frames are fixedly connected to the two vertical moving blocks respectively.

Drawings

The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a flow chart of the present invention;

FIG. 2 is an overall view of the present invention;

FIG. 3 is a stationary portion of the carriage assembly of the present invention;

FIG. 4 is a release portion of the migration assembly of the present invention;

FIG. 5 is an upper support bracket of the present invention;

FIG. 6 is a diagonal transfer leg of the present invention;

FIG. 7 is a wash tank and drain connection of the present invention;

FIG. 8 is a wash tank of the present invention;

FIG. 9 is a discharge tube of the present invention;

FIG. 10 is a plating tank of the present invention.

Detailed Description

A metal piece surface electroplating process comprises the following steps: the method comprises the following steps: the metal piece to be processed is moved to a designated position; step two: adding silicon dioxide into the pickling solution, and completely immersing the metal piece to be processed into the pickling solution; step three: continuously shaking the metal piece to be processed to remove rust on the metal piece to be processed; step four: the cleaning agent is used for neutralizing the pickling solution of the derusted metal piece, electroplating treatment is carried out, the metal piece is immersed in the pickling solution and silicon dioxide in the steps, loose iron rust can be rubbed by the fine silicon dioxide in the derusting process by continuously shaking the metal piece, the pickling solution can be driven to flow along with the movement of the silicon dioxide relative to the metal piece, so that the contact between acidic substances of the pickling solution and the metal piece in pickling is more balanced, and the uneven derusting of the metal piece caused by the fact that the acidic substances in the local pickling solution are reacted and cannot be timely supplemented is avoided.

The migration assembly may perform an exemplary operation with reference to fig. 2, 3, and 4:

the metal part surface electroplating device comprises two transporting assemblies, wherein the two transporting assemblies drive the metal part to be machined to move, the metal part is placed on the transporting assemblies and fixed before the surface of the metal part is subjected to rust removal, the metal part is placed into pickling solution by adjusting the transporting assemblies after the metal part is fixed, silicon dioxide is added into the pickling solution, the metal part is completely immersed into the mixture of the pickling solution and the silicon dioxide after the silicon dioxide is added, and then the metal part and the silicon dioxide are rubbed by shaking the metal part, so that the operation of accelerating rust removal can be completed.

The fixed part of the migration assembly may be operated in an exemplary manner with reference to fig. 2 and 3:

because the metalwork needs to remove rust, fixed metalwork needs in external environment, need place the metal after the fixed and enter into the pickling solution, consequently, the migration subassembly includes link 11, gim peg 12, movable block 13 and vertical movable block 14, movable block 13 sliding connection is on link 11 upper portion, rigid coupling is at the hydraulic stem both ends between vertical movable block 14 and the movable block 13, link 11 rigid coupling is on two gim pegs 12, movable block 13 is external to have electric putter, this electric putter rigid coupling is on link 11, through the extension or the shortening of adjusting this electric putter, it slides at link 11 to control movable block 13, the control is removed by fixed metalwork.

The connecting frame 11 is provided with a hollow area, the moving distance of the moving block 13 can be limited and controlled between the hollow areas, the moving block 13 is pushed by the electric push rod to drive the vertical moving block 14 to move, the workpiece can be moved downwards for a certain distance by extending the length of the hydraulic rod, the hydraulic rod is short in stroke and slow in moving speed, and the workpiece downwards moving distance can be finely adjusted to control the position of the metal piece entering the pickling solution.

The release portion of the migration assembly may perform an exemplary operation with reference to fig. 2 and 4:

because the metal piece needs to enter the pickling solution and the device needs to keep control over the metal piece, the transportation assembly further comprises a connecting frame 21, slowly-falling hydraulic rods 22, a pulley supporting frame 23 and pulleys 24, wherein the pulley supporting frame 23 is rotatably connected with two pulleys 24, the two slowly-falling hydraulic rods 22 are fixedly connected between the connecting frame 21 and the pulley supporting frame 23, the pulley supporting frame 23 is provided with two through holes, the two connecting frames 21 are respectively and fixedly connected to the two vertical moving blocks 14, the metal piece is fixedly dragged by a line extending out of the two pulleys 24, the pulleys 24 are externally connected with a speed reducing motor, when the metal piece is released into the pickling solution, the two pulleys 24 are enabled to suspend the metal piece by starting the speed reducing motor, then the metal piece is put down until the metal piece contacts the pickling solution through the extension of the slowly-falling hydraulic rods 22, and the slowly-falling hydraulic rods 22 stop lengthening after the contact, through adjusting the hydraulic stem between movable block 13 and the vertical movable block 14, slowly put into the pickling solution with the metalwork, can prevent to dip too much pickling solution and produce the over reaction acutely when putting into, cause the pickling solution to spatter everywhere, through making control movable block 13 remove drive metalwork after getting into completely and rock the operation of carrying out the rust cleaning with higher speed.

The pulley can be operated in an exemplary manner with reference to fig. 4:

because the metalwork need enter into the pickling solution, and the device still needs to keep control to the metalwork, consequently all twine corrosion resistant steel wire on a plurality of pulleys 24, can fix the work piece even corrosion resistant steel wire is in the pickling solution and also can not corroded by the pickling solution, cause fixed silk thread fracture, the work piece falls suddenly and splashes the pickling solution, cause the emergence of the phenomenon that threatens the personal safety of work, use the steel wire to guarantee to bear the metalwork that increases weight simultaneously, increase the scope of processing work piece.

The upper carrier part can be operated in an exemplary manner with reference to fig. 1 and 5:

the device still is provided with the transportation frame 31, side shield 32 and goes up mounting bracket 33, go up the upper end of mounting bracket 33 rigid coupling at the transportation frame 31, side shield 32 rigid coupling is on the transportation frame 31, the upper portion of going up mounting bracket 33 can be dismantled and be connected with a plurality of gim pegs 12, can more conveniently dismantle the subassembly that moves when the device breaks down, be convenient for maintain, the side shield 32 that sets up can effectually block the liquid that the bubble that produces bursts and spatters in pickling solution and rust reaction.

The inclined migration leg portions may be subjected to an exemplary operation with reference to fig. 6:

the device still includes slope landing leg 41, the migration slider 42 and the installation horizontal plate 43, migration slider 42 sliding connection is on slope landing leg 41, installation horizontal plate 43 rigid coupling is on migration slider 42, migration frame 31 bottom rigid coupling has two slope landing legs 41, migration slider 42 has hydraulic push rod to control through external having, the migration position that uses hydraulic push rod to adjust migration slider 42, it is unsettled to pull up the metalwork after the metalwork derusting is accomplished, paint the clearance agent and clear up the silica of adhesion on the metalwork, and the acid solution on the metalwork of neutralization, later place the metalwork on installation horizontal plate 43, carry out the migration through installation horizontal plate 43, can reduce workman manually operation.

The wash tank section may be operated in an exemplary manner with reference to fig. 7 and 8:

the device still sets up and washes a case 51 and ripples and roll over supporting plate 52, and ripples rolls over supporting plate 52 rigid coupling on washing a case 51, washes a case 51 rigid coupling and moves the frame 31 bottom in the fortune, and ripples rolls over supporting plate 52 and can provide under the prerequisite that stably supports when the metalwork is placed on it, can also guarantee the area of contact of metalwork and pickle.

The discharge pipe section may be operated in an exemplary manner with reference to fig. 7 and 9:

the device is provided with a protection box 61 and a discharge pipe 62, the discharge pipes 62 are surrounded by the protection box 61, the discharge pipes 62 are all fixedly connected to the side surface of the workpiece washing box 51, the protection box 61 is fixedly connected to the outer side of the workpiece washing box 51, the discharge pipes 62 are all provided with control valves, after the metal workpiece is washed, the control valves are opened, the acid washing solution and silicon dioxide in the acid washing solution are discharged, water is used for cleaning the corrugated supporting plate 52, and the corrugated supporting plate 52 is prevented from being corroded.

The plating tank section can be operated in an exemplary manner with reference to fig. 2 and 10:

the device is provided with a bottom supporting plate 71, liquid storage chambers 72 and a communication channel 73, wherein the two liquid storage chambers 72 are fixedly connected to the lower part of the bottom supporting plate 71, the liquid storage chambers 72 are fixedly connected to two sides of the communication channel 73, the bottom supporting plate 71 is fixedly connected to the lower parts of the two inclined support legs 41, the bottom supporting plate 71 is fixedly connected to the lower part of the moving frame 31, and after the metal piece is moved to the bottom supporting plate 71, the metal piece is placed in the communication channel 73 for electroplating.